1 Preparations

1.1 Loading basic packages

library(psych)
library(MASS)
library(rcompanion)
## 
## Attaching package: 'rcompanion'
## The following object is masked from 'package:psych':
## 
##     phi
library(car)
## Loading required package: carData
## 
## Attaching package: 'car'
## The following object is masked from 'package:psych':
## 
##     logit

1.2 Reading in data

library(haven)
data <- read_sav("773.sav")

1.3 Overview over variables

  • IV’s:
  • Climate emotions:
    • Anxiety: data$anx
    • Sadness: data$sad
    • Anger: data$ang
    • Indifference: data$indif
  • DV’s:
    • Pro-environmental behavior - Influencing others’ PEB: data$peb.others
    • Pro-environmental behavior - Own PEB: data$peb.own
    • Pro-environmental behavior - Future PEB: data$futpeb
    • Climate anxiety-related impairment - Cognitive-emotions impairment: data$cas.ce
    • Climate anxiety-related impairment - Functional impairment: data$cas.f
  • Moderators:
    • Empathy - perspective taking: data$emp.pt
    • Empathy - empathic concern: data$emp.ec
    • Emotion-focused coping - emotional integration: emoreg.ier
    • Emotion-focused coping - emotional suppression: emoreg.ed
    • Nature connectedness: data$natcon
  • Socio-demographics
    • Gender: data$gender
    • Age: data$age
    • Study program: data$pro

1.4 Renaming variables

# Climate emotions
data$anx <- data$VAR15
data$sad <- data$VAR12
data$ang <- data$VAR10
data$indif <- data$VAR13

# Pro-environmental behavior
## Influencing others' PEB
data$peb.1 <- data$VAR21_1
data$peb.7 <- data$VAR21_7
data$peb.8 <- data$VAR21_8
data$peb.9 <- data$VAR21_9
data$peb.10 <- data$VAR21_10
## Own PEB
data$peb.2 <- data$VAR21_2
data$peb.3 <- data$VAR21_3
data$peb.4 <- data$VAR21_4
data$peb.5 <- data$VAR21_5
data$peb.6 <- data$VAR21_6
data$peb.11 <- data$VAR21_11 
data$peb.12 <- data$VAR21_12
data$peb.13 <- data$VAR21_13
## Future PEB
data$futpeb.1 <- data$VAR22_1
data$futpeb.2 <- data$VAR22_2
data$futpeb.3 <- data$VAR22_3
data$futpeb.4 <- data$VAR22_4

# Climate anxiety-related impairment
## Cognitive-emotional impairment
data$cas.01 <- data$VAR51_1
data$cas.02 <- data$VAR51_2
data$cas.03 <- data$VAR51_3
data$cas.04 <- data$VAR51_4
data$cas.05 <- data$VAR51_5
data$cas.06 <- data$VAR51_6
data$cas.07 <- data$VAR51_7
data$cas.08 <- data$VAR51_8
## Functional impairment
data$cas.09 <- data$VAR51_9
data$cas.10 <- data$VAR51_10
data$cas.11 <- data$VAR51_11
data$cas.12 <- data$VAR51_12
data$cas.13 <- data$VAR51_13

# Empathy
## Empathic concern
data$emp.ec.1 <- data$VAR42_1
data$emp.ec.2 <- data$VAR42_2
data$emp.ec.3 <- data$VAR42_4
data$emp.ec.4 <- data$VAR42_5
## Perspective taking
data$emp.pt.1 <- data$VAR42_3
data$emp.pt.2 <- data$VAR42_6
data$emp.pt.3 <- data$VAR42_7
data$emp.pt.4 <- data$VAR42_8

# Emotion-focused coping
## Emotional integration
data$emoreg.ier.1 <- data$VAR48_4 
data$emoreg.ier.2 <- data$VAR48_7 
data$emoreg.ier.3 <- data$VAR48_8
## emotional suppression
data$emoreg.ed.1 <- data$VAR48_3 
data$emoreg.ed.2 <- data$VAR48_9 
data$emoreg.ed.3 <- data$VAR48_10 

# Nature connectedness
data$natcon.1 <- data$VAR44_1
data$natcon.2 <- data$VAR44_2
data$natcon.3 <- data$VAR44_3
data$natcon.4 <- data$VAR44_4
data$natcon.5 <- data$VAR44_5
data$natcon.6 <- data$VAR44_6

# Socio-demographics
data$gender <- data$VAR04
data$age <- data$VAR03

1.5 Define missings

# Climate emotions
is.na(data$anx) <- which(data$anx== 999) 
is.na(data$sad) <- which(data$sad== 999) 
is.na(data$ang) <- which(data$ang== 999) 
is.na(data$indif) <- which(data$indif== 999) 

# Pro-environmental behavior
## Influencing others' and own PEB
is.na(data$peb.1) <- which(data$peb.1== 999) 
is.na(data$peb.2) <- which(data$peb.2== 999) 
is.na(data$peb.3) <- which(data$peb.3== 999) 
is.na(data$peb.4) <- which(data$peb.4== 999) 
is.na(data$peb.5) <- which(data$peb.5== 999) 
is.na(data$peb.6) <- which(data$peb.6== 999) 
is.na(data$peb.7) <- which(data$peb.7== 999) 
is.na(data$peb.8) <- which(data$peb.8== 999) 
is.na(data$peb.9) <- which(data$peb.9== 999) 
is.na(data$peb.10) <- which(data$peb.10== 999) 
is.na(data$peb.11) <- which(data$peb.11== 999)  
is.na(data$peb.12) <- which(data$peb.12== 999) 
is.na(data$peb.13) <- which(data$peb.13== 999) 
## Future PEB
is.na(data$futpeb.1) <- which(data$futpeb.1== 999) 
is.na(data$futpeb.2) <- which(data$futpeb.2== 999) 
is.na(data$futpeb.3) <- which(data$futpeb.3== 999) 
is.na(data$futpeb.4) <- which(data$futpeb.4== 999) 

# Climate anxiety-related impairment
## Cognitive-emotional impairment
is.na(data$cas.01) <- which(data$cas.01== 999) 
is.na(data$cas.02) <- which(data$cas.02== 999) 
is.na(data$cas.03) <- which(data$cas.03== 999) 
is.na(data$cas.04) <- which(data$cas.04== 999) 
is.na(data$cas.05) <- which(data$cas.05== 999) 
is.na(data$cas.06) <- which(data$cas.06== 999) 
is.na(data$cas.07) <- which(data$cas.07== 999) 
is.na(data$cas.08) <- which(data$cas.08== 999) 
## Functional impairment
is.na(data$cas.09) <- which(data$cas.09== 999) 
is.na(data$cas.10) <- which(data$cas.10== 999) 
is.na(data$cas.11) <- which(data$cas.11== 999) 
is.na(data$cas.12) <- which(data$cas.12== 999) 
is.na(data$cas.13) <- which(data$cas.13== 999)

# Empathy
## Empathic concern
is.na(data$emp.ec.1) <- which(data$emp.ec.1== 999) 
is.na(data$emp.ec.2) <- which(data$emp.ec.2== 999) 
is.na(data$emp.ec.3) <- which(data$emp.ec.3== 999) 
is.na(data$emp.ec.4) <- which(data$emp.ec.4== 999)
## Perspective taking
is.na(data$emp.pt.1) <- which(data$emp.pt.1== 999) 
is.na(data$emp.pt.2) <- which(data$emp.pt.2== 999) 
is.na(data$emp.pt.3) <- which(data$emp.pt.3== 999) 
is.na(data$emp.pt.4) <- which(data$emp.pt.4== 999)

# Emotion-focused coping
## Emotional integration
is.na(data$emoreg.ier.1) <- which(data$emoreg.ier.1== 999) 
is.na(data$emoreg.ier.2) <- which(data$emoreg.ier.2== 999) 
is.na(data$emoreg.ier.3) <- which(data$emoreg.ier.3== 999) 
## Emotional suppression
is.na(data$emoreg.ed.1) <- which(data$emoreg.ed.1== 999) 
is.na(data$emoreg.ed.2) <- which(data$emoreg.ed.2== 999) 
is.na(data$emoreg.ed.3) <- which(data$emoreg.ed.3== 999) 

# Nature connectedness
is.na(data$natcon.1) <- which(data$natcon.1== 999) 
is.na(data$natcon.2) <- which(data$natcon.2== 999) 
is.na(data$natcon.3) <- which(data$natcon.3== 999) 
is.na(data$natcon.4) <- which(data$natcon.4== 999) 
is.na(data$natcon.5) <- which(data$natcon.5== 999) 
is.na(data$natcon.6) <- which(data$natcon.6== 999)

# Socio-demographics
is.na(data$gender) <- which(data$gender== 999) 
is.na(data$age) <- which(data$age== 999) 
is.na(data$pro) <- which(data$pro== 999) 

2 Calculating variables

2.1 Climate emotions

data$emo <- rowMeans (data [c("anx", "sad", "ang")])

2.2 PEB

# PEB
data$peb <- rowMeans (data [c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5",
                              "peb.6", "peb.7", "peb.8", "peb.9", "peb.10",
                              "peb.11", "peb.12", "peb.13")])

# Influencing others' PEB
data$peb.others <- rowMeans (data [c("peb.1", 
                                     "peb.7", "peb.8", "peb.9", "peb.10")])

# Own PEB
data$peb.own <- rowMeans (data [c("peb.2", "peb.3", "peb.4", "peb.5",
                                  "peb.6",
                                  "peb.12", "peb.13")])

# Future PEB
data$futpeb <- rowMeans (data [c("futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")])

2.2.1 EFA PEB + Future PEB

2.2.1.1 Correlations

between items to inspect for high item-inter-correlations

corr.test (data [,c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5",
                    "peb.6", "peb.7", "peb.8", "peb.9", "peb.10",
                    "peb.11", "peb.12", "peb.13",
                    "futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")], 
           method = "spearman")
## Call:corr.test(x = data[, c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5", 
##     "peb.6", "peb.7", "peb.8", "peb.9", "peb.10", "peb.11", "peb.12", 
##     "peb.13", "futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")], 
##     method = "spearman")
## Correlation matrix 
##          peb.1 peb.2 peb.3 peb.4 peb.5 peb.6 peb.7 peb.8 peb.9 peb.10 peb.11
## peb.1     1.00  0.40  0.25  0.35  0.32  0.20  0.75  0.58  0.41   0.56   0.67
## peb.2     0.40  1.00  0.28  0.44  0.44  0.27  0.41  0.42  0.29   0.37   0.48
## peb.3     0.25  0.28  1.00  0.39  0.33  0.45  0.28  0.20  0.17   0.18   0.26
## peb.4     0.35  0.44  0.39  1.00  0.38  0.36  0.41  0.35  0.23   0.30   0.40
## peb.5     0.32  0.44  0.33  0.38  1.00  0.33  0.31  0.32  0.22   0.24   0.39
## peb.6     0.20  0.27  0.45  0.36  0.33  1.00  0.27  0.24  0.15   0.20   0.25
## peb.7     0.75  0.41  0.28  0.41  0.31  0.27  1.00  0.71  0.49   0.65   0.60
## peb.8     0.58  0.42  0.20  0.35  0.32  0.24  0.71  1.00  0.54   0.70   0.53
## peb.9     0.41  0.29  0.17  0.23  0.22  0.15  0.49  0.54  1.00   0.53   0.36
## peb.10    0.56  0.37  0.18  0.30  0.24  0.20  0.65  0.70  0.53   1.00   0.52
## peb.11    0.67  0.48  0.26  0.40  0.39  0.25  0.60  0.53  0.36   0.52   1.00
## peb.12    0.43  0.43  0.23  0.43  0.41  0.25  0.48  0.42  0.26   0.40   0.51
## peb.13    0.33  0.36  0.38  0.48  0.30  0.33  0.34  0.29  0.21   0.26   0.42
## futpeb.1  0.45  0.35  0.29  0.38  0.32  0.26  0.50  0.46  0.22   0.49   0.46
## futpeb.2  0.42  0.32  0.20  0.29  0.26  0.22  0.42  0.44  0.34   0.49   0.41
## futpeb.3  0.42  0.32  0.17  0.30  0.29  0.18  0.45  0.45  0.34   0.48   0.44
## futpeb.4  0.45  0.31  0.14  0.29  0.27  0.21  0.49  0.52  0.44   0.53   0.44
##          peb.12 peb.13 futpeb.1 futpeb.2 futpeb.3 futpeb.4
## peb.1      0.43   0.33     0.45     0.42     0.42     0.45
## peb.2      0.43   0.36     0.35     0.32     0.32     0.31
## peb.3      0.23   0.38     0.29     0.20     0.17     0.14
## peb.4      0.43   0.48     0.38     0.29     0.30     0.29
## peb.5      0.41   0.30     0.32     0.26     0.29     0.27
## peb.6      0.25   0.33     0.26     0.22     0.18     0.21
## peb.7      0.48   0.34     0.50     0.42     0.45     0.49
## peb.8      0.42   0.29     0.46     0.44     0.45     0.52
## peb.9      0.26   0.21     0.22     0.34     0.34     0.44
## peb.10     0.40   0.26     0.49     0.49     0.48     0.53
## peb.11     0.51   0.42     0.46     0.41     0.44     0.44
## peb.12     1.00   0.41     0.44     0.34     0.38     0.34
## peb.13     0.41   1.00     0.33     0.22     0.25     0.22
## futpeb.1   0.44   0.33     1.00     0.50     0.53     0.46
## futpeb.2   0.34   0.22     0.50     1.00     0.67     0.63
## futpeb.3   0.38   0.25     0.53     0.67     1.00     0.72
## futpeb.4   0.34   0.22     0.46     0.63     0.72     1.00
## Sample Size 
##          peb.1 peb.2 peb.3 peb.4 peb.5 peb.6 peb.7 peb.8 peb.9 peb.10 peb.11
## peb.1      771   768   770   768   766   769   769   768   771    764    770
## peb.2      768   770   769   767   765   768   768   766   769    764    769
## peb.3      770   769   772   769   767   770   769   768   771    765    771
## peb.4      768   767   769   770   766   769   768   767   769    764    769
## peb.5      766   765   767   766   768   767   766   765   767    763    767
## peb.6      769   768   770   769   767   771   769   768   770    765    770
## peb.7      769   768   769   768   766   769   770   768   770    764    769
## peb.8      768   766   768   767   765   768   768   769   769    763    768
## peb.9      771   769   771   769   767   770   770   769   772    765    771
## peb.10     764   764   765   764   763   765   764   763   765    766    765
## peb.11     770   769   771   769   767   770   769   768   771    765    772
## peb.12     761   760   762   761   759   762   761   760   762    757    762
## peb.13     768   767   769   767   765   768   767   766   769    763    769
## futpeb.1   768   767   769   767   765   768   767   766   769    763    769
## futpeb.2   765   764   766   765   762   765   764   763   766    760    766
## futpeb.3   768   767   769   767   765   768   767   766   769    763    769
## futpeb.4   767   766   768   766   764   767   766   765   768    762    768
##          peb.12 peb.13 futpeb.1 futpeb.2 futpeb.3 futpeb.4
## peb.1       761    768      768      765      768      767
## peb.2       760    767      767      764      767      766
## peb.3       762    769      769      766      769      768
## peb.4       761    767      767      765      767      766
## peb.5       759    765      765      762      765      764
## peb.6       762    768      768      765      768      767
## peb.7       761    767      767      764      767      766
## peb.8       760    766      766      763      766      765
## peb.9       762    769      769      766      769      768
## peb.10      757    763      763      760      763      762
## peb.11      762    769      769      766      769      768
## peb.12      763    760      760      757      760      759
## peb.13      760    770      767      764      767      766
## futpeb.1    760    767      770      765      768      768
## futpeb.2    757    764      765      767      766      765
## futpeb.3    760    767      768      766      770      768
## futpeb.4    759    766      768      765      768      769
## Probability values (Entries above the diagonal are adjusted for multiple tests.) 
##          peb.1 peb.2 peb.3 peb.4 peb.5 peb.6 peb.7 peb.8 peb.9 peb.10 peb.11
## peb.1        0     0     0     0     0     0     0     0     0      0      0
## peb.2        0     0     0     0     0     0     0     0     0      0      0
## peb.3        0     0     0     0     0     0     0     0     0      0      0
## peb.4        0     0     0     0     0     0     0     0     0      0      0
## peb.5        0     0     0     0     0     0     0     0     0      0      0
## peb.6        0     0     0     0     0     0     0     0     0      0      0
## peb.7        0     0     0     0     0     0     0     0     0      0      0
## peb.8        0     0     0     0     0     0     0     0     0      0      0
## peb.9        0     0     0     0     0     0     0     0     0      0      0
## peb.10       0     0     0     0     0     0     0     0     0      0      0
## peb.11       0     0     0     0     0     0     0     0     0      0      0
## peb.12       0     0     0     0     0     0     0     0     0      0      0
## peb.13       0     0     0     0     0     0     0     0     0      0      0
## futpeb.1     0     0     0     0     0     0     0     0     0      0      0
## futpeb.2     0     0     0     0     0     0     0     0     0      0      0
## futpeb.3     0     0     0     0     0     0     0     0     0      0      0
## futpeb.4     0     0     0     0     0     0     0     0     0      0      0
##          peb.12 peb.13 futpeb.1 futpeb.2 futpeb.3 futpeb.4
## peb.1         0      0        0        0        0        0
## peb.2         0      0        0        0        0        0
## peb.3         0      0        0        0        0        0
## peb.4         0      0        0        0        0        0
## peb.5         0      0        0        0        0        0
## peb.6         0      0        0        0        0        0
## peb.7         0      0        0        0        0        0
## peb.8         0      0        0        0        0        0
## peb.9         0      0        0        0        0        0
## peb.10        0      0        0        0        0        0
## peb.11        0      0        0        0        0        0
## peb.12        0      0        0        0        0        0
## peb.13        0      0        0        0        0        0
## futpeb.1      0      0        0        0        0        0
## futpeb.2      0      0        0        0        0        0
## futpeb.3      0      0        0        0        0        0
## futpeb.4      0      0        0        0        0        0
## 
##  To see confidence intervals of the correlations, print with the short=FALSE option

-> looks okay

Subset with PEB-items

subset.peb <- data[c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5",
                    "peb.6", "peb.7", "peb.8", "peb.9", "peb.10",
                    "peb.11", "peb.12", "peb.13",
                    "futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")] 
                    
View(subset.peb)

2.2.1.2 Kaiser-Maier-Olkin coefficient

KMO(subset.peb)
## Kaiser-Meyer-Olkin factor adequacy
## Call: KMO(r = subset.peb)
## Overall MSA =  0.92
## MSA for each item = 
##    peb.1    peb.2    peb.3    peb.4    peb.5    peb.6    peb.7    peb.8 
##     0.89     0.95     0.87     0.94     0.93     0.89     0.90     0.92 
##    peb.9   peb.10   peb.11   peb.12   peb.13 futpeb.1 futpeb.2 futpeb.3 
##     0.93     0.93     0.94     0.95     0.93     0.95     0.93     0.90 
## futpeb.4 
##     0.91
options(max.print=1000000)

-> KMO=.92

2.2.1.3 Extracting factors and parallel analysis

Scree Plot

VSS.scree (subset.peb)

Parallel analysis (Horn)

parallel.peb <- fa.parallel (subset.peb, fm="pa", fa = "fa")

## Parallel analysis suggests that the number of factors =  4  and the number of components =  NA

Eigenvalues of factors

parallel.peb$fa.values
##  [1]  6.71387491  1.14307085  0.57546396  0.27251030  0.11245968  0.06814878
##  [7] -0.03713274 -0.07927356 -0.10271730 -0.18432030 -0.19555318 -0.21040395
## [13] -0.21114583 -0.23795639 -0.26796624 -0.29596455 -0.34878413

2.2.1.4 Factor analysis with fixed number of factors = 4

as suggested by parallel analysis

fa.pa.promax.peb <- fa(subset.peb, 4, fm = "pa", rotate = "Promax")  
## Loading required namespace: GPArotation
print (fa.pa.promax.peb, digits = 2, cut = .3, sort = TRUE)       
## Factor Analysis using method =  pa
## Call: fa(r = subset.peb, nfactors = 4, rotate = "Promax", fm = "pa")
## Standardized loadings (pattern matrix) based upon correlation matrix
##          item   PA4   PA2   PA3   PA1   h2   u2 com
## peb.8       8  0.83                   0.74 0.26 1.0
## peb.7       7  0.73              0.36 0.76 0.24 1.5
## peb.10     10  0.70                   0.67 0.33 1.1
## peb.9       9  0.63                   0.41 0.59 1.3
## futpeb.3   16        0.95             0.78 0.22 1.0
## futpeb.2   15        0.78             0.62 0.38 1.0
## futpeb.4   17        0.76             0.69 0.31 1.1
## futpeb.1   14        0.40             0.47 0.53 2.0
## peb.3       3              0.80       0.48 0.52 1.1
## peb.6       6              0.76       0.42 0.58 1.2
## peb.4       4              0.54       0.48 0.52 1.3
## peb.13     13              0.47  0.31 0.43 0.57 1.8
## peb.5       5              0.45       0.37 0.63 1.3
## peb.2       2              0.31       0.38 0.62 2.3
## peb.11     11                    0.64 0.63 0.37 1.4
## peb.1       1  0.49              0.58 0.64 0.36 2.2
## peb.12     12                    0.47 0.43 0.57 1.3
## 
##                        PA4  PA2  PA3  PA1
## SS loadings           2.89 2.36 2.17 1.99
## Proportion Var        0.17 0.14 0.13 0.12
## Cumulative Var        0.17 0.31 0.44 0.55
## Proportion Explained  0.31 0.25 0.23 0.21
## Cumulative Proportion 0.31 0.56 0.79 1.00
## 
##  With factor correlations of 
##      PA4  PA2  PA3  PA1
## PA4 1.00 0.67 0.47 0.51
## PA2 0.67 1.00 0.49 0.55
## PA3 0.47 0.49 1.00 0.66
## PA1 0.51 0.55 0.66 1.00
## 
## Mean item complexity =  1.4
## Test of the hypothesis that 4 factors are sufficient.
## 
## df null model =  136  with the objective function =  8.74 with Chi Square =  6691.36
## df of  the model are 74  and the objective function was  0.41 
## 
## The root mean square of the residuals (RMSR) is  0.02 
## The df corrected root mean square of the residuals is  0.03 
## 
## The harmonic n.obs is  766 with the empirical chi square  62.94  with prob <  0.82 
## The total n.obs was  773  with Likelihood Chi Square =  313.42  with prob <  3.2e-31 
## 
## Tucker Lewis Index of factoring reliability =  0.933
## RMSEA index =  0.065  and the 90 % confidence intervals are  0.057 0.072
## BIC =  -178.7
## Fit based upon off diagonal values = 1
## Measures of factor score adequacy             
##                                                    PA4  PA2  PA3   PA1
## Correlation of (regression) scores with factors   0.78 0.86 0.79  0.68
## Multiple R square of scores with factors          0.61 0.74 0.62  0.46
## Minimum correlation of possible factor scores     0.23 0.48 0.24 -0.08

-> quite a few cross-loading items

2.2.1.5 Visualizing results

fa.diagram(fa.pa.promax.peb, simple=TRUE, cut=.4, digits=2)

fa.diagram(fa.pa.promax.peb, simple=FALSE, cut=.4, digits=2)

2.2.1.6 Factor analysis with fixed number of factors = 3

as suggested by scree plot and Eigenvalues

fa.pa.promax.peb <- fa(subset.peb, 3, fm = "pa", rotate = "Promax")  
print (fa.pa.promax.peb, digits = 2, cut = .3, sort = TRUE)       
## Factor Analysis using method =  pa
## Call: fa(r = subset.peb, nfactors = 3, rotate = "Promax", fm = "pa")
## Standardized loadings (pattern matrix) based upon correlation matrix
##          item   PA3   PA1   PA2   h2   u2 com
## peb.7       7  0.95             0.78 0.22 1.0
## peb.8       8  0.86             0.69 0.31 1.0
## peb.10     10  0.77             0.66 0.34 1.2
## peb.1       1  0.76             0.59 0.41 1.0
## peb.9       9  0.55             0.32 0.68 1.0
## peb.11     11  0.53             0.55 0.45 1.5
## peb.3       3        0.76       0.42 0.58 1.1
## peb.4       4        0.69       0.49 0.51 1.0
## peb.13     13        0.67       0.43 0.57 1.0
## peb.6       6        0.63       0.32 0.68 1.1
## peb.5       5        0.58       0.37 0.63 1.0
## peb.2       2        0.47       0.38 0.62 1.4
## peb.12     12        0.41       0.39 0.61 1.6
## futpeb.3   16              0.95 0.76 0.24 1.0
## futpeb.2   15              0.81 0.62 0.38 1.0
## futpeb.4   17              0.79 0.69 0.31 1.1
## futpeb.1   14              0.39 0.46 0.54 2.0
## 
##                        PA3  PA1  PA2
## SS loadings           3.67 2.83 2.42
## Proportion Var        0.22 0.17 0.14
## Cumulative Var        0.22 0.38 0.52
## Proportion Explained  0.41 0.32 0.27
## Cumulative Proportion 0.41 0.73 1.00
## 
##  With factor correlations of 
##      PA3  PA1  PA2
## PA3 1.00 0.64 0.72
## PA1 0.64 1.00 0.54
## PA2 0.72 0.54 1.00
## 
## Mean item complexity =  1.2
## Test of the hypothesis that 3 factors are sufficient.
## 
## df null model =  136  with the objective function =  8.74 with Chi Square =  6691.36
## df of  the model are 88  and the objective function was  0.65 
## 
## The root mean square of the residuals (RMSR) is  0.03 
## The df corrected root mean square of the residuals is  0.04 
## 
## The harmonic n.obs is  766 with the empirical chi square  121.38  with prob <  0.011 
## The total n.obs was  773  with Likelihood Chi Square =  497.4  with prob <  2e-58 
## 
## Tucker Lewis Index of factoring reliability =  0.903
## RMSEA index =  0.078  and the 90 % confidence intervals are  0.071 0.084
## BIC =  -87.83
## Fit based upon off diagonal values = 0.99
## Measures of factor score adequacy             
##                                                    PA3  PA1  PA2
## Correlation of (regression) scores with factors   0.84 0.82 0.87
## Multiple R square of scores with factors          0.70 0.67 0.75
## Minimum correlation of possible factor scores     0.40 0.34 0.51

-> 3 factors: Influencing other people’s PEB, Own PEB, Future PEB

2.2.1.7 Visualizing results

fa.diagram(fa.pa.promax.peb, simple=TRUE, cut=.4, digits=2)

fa.diagram(fa.pa.promax.peb, simple=FALSE, cut=.4, digits=2)

2.2.2 EFA PEB + Future PEB without item 11

because item 11 does not make conceptual sense in the factor Influencing others’ PEB #### Correlations between items to inspect for high item-inter-correlations

corr.test (data [,c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5",
                    "peb.6", "peb.7", "peb.8", "peb.9", "peb.10",
                    "peb.12", "peb.13",
                    "futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")], 
           method = "spearman")
## Call:corr.test(x = data[, c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5", 
##     "peb.6", "peb.7", "peb.8", "peb.9", "peb.10", "peb.12", "peb.13", 
##     "futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")], method = "spearman")
## Correlation matrix 
##          peb.1 peb.2 peb.3 peb.4 peb.5 peb.6 peb.7 peb.8 peb.9 peb.10 peb.12
## peb.1     1.00  0.40  0.25  0.35  0.32  0.20  0.75  0.58  0.41   0.56   0.43
## peb.2     0.40  1.00  0.28  0.44  0.44  0.27  0.41  0.42  0.29   0.37   0.43
## peb.3     0.25  0.28  1.00  0.39  0.33  0.45  0.28  0.20  0.17   0.18   0.23
## peb.4     0.35  0.44  0.39  1.00  0.38  0.36  0.41  0.35  0.23   0.30   0.43
## peb.5     0.32  0.44  0.33  0.38  1.00  0.33  0.31  0.32  0.22   0.24   0.41
## peb.6     0.20  0.27  0.45  0.36  0.33  1.00  0.27  0.24  0.15   0.20   0.25
## peb.7     0.75  0.41  0.28  0.41  0.31  0.27  1.00  0.71  0.49   0.65   0.48
## peb.8     0.58  0.42  0.20  0.35  0.32  0.24  0.71  1.00  0.54   0.70   0.42
## peb.9     0.41  0.29  0.17  0.23  0.22  0.15  0.49  0.54  1.00   0.53   0.26
## peb.10    0.56  0.37  0.18  0.30  0.24  0.20  0.65  0.70  0.53   1.00   0.40
## peb.12    0.43  0.43  0.23  0.43  0.41  0.25  0.48  0.42  0.26   0.40   1.00
## peb.13    0.33  0.36  0.38  0.48  0.30  0.33  0.34  0.29  0.21   0.26   0.41
## futpeb.1  0.45  0.35  0.29  0.38  0.32  0.26  0.50  0.46  0.22   0.49   0.44
## futpeb.2  0.42  0.32  0.20  0.29  0.26  0.22  0.42  0.44  0.34   0.49   0.34
## futpeb.3  0.42  0.32  0.17  0.30  0.29  0.18  0.45  0.45  0.34   0.48   0.38
## futpeb.4  0.45  0.31  0.14  0.29  0.27  0.21  0.49  0.52  0.44   0.53   0.34
##          peb.13 futpeb.1 futpeb.2 futpeb.3 futpeb.4
## peb.1      0.33     0.45     0.42     0.42     0.45
## peb.2      0.36     0.35     0.32     0.32     0.31
## peb.3      0.38     0.29     0.20     0.17     0.14
## peb.4      0.48     0.38     0.29     0.30     0.29
## peb.5      0.30     0.32     0.26     0.29     0.27
## peb.6      0.33     0.26     0.22     0.18     0.21
## peb.7      0.34     0.50     0.42     0.45     0.49
## peb.8      0.29     0.46     0.44     0.45     0.52
## peb.9      0.21     0.22     0.34     0.34     0.44
## peb.10     0.26     0.49     0.49     0.48     0.53
## peb.12     0.41     0.44     0.34     0.38     0.34
## peb.13     1.00     0.33     0.22     0.25     0.22
## futpeb.1   0.33     1.00     0.50     0.53     0.46
## futpeb.2   0.22     0.50     1.00     0.67     0.63
## futpeb.3   0.25     0.53     0.67     1.00     0.72
## futpeb.4   0.22     0.46     0.63     0.72     1.00
## Sample Size 
##          peb.1 peb.2 peb.3 peb.4 peb.5 peb.6 peb.7 peb.8 peb.9 peb.10 peb.12
## peb.1      771   768   770   768   766   769   769   768   771    764    761
## peb.2      768   770   769   767   765   768   768   766   769    764    760
## peb.3      770   769   772   769   767   770   769   768   771    765    762
## peb.4      768   767   769   770   766   769   768   767   769    764    761
## peb.5      766   765   767   766   768   767   766   765   767    763    759
## peb.6      769   768   770   769   767   771   769   768   770    765    762
## peb.7      769   768   769   768   766   769   770   768   770    764    761
## peb.8      768   766   768   767   765   768   768   769   769    763    760
## peb.9      771   769   771   769   767   770   770   769   772    765    762
## peb.10     764   764   765   764   763   765   764   763   765    766    757
## peb.12     761   760   762   761   759   762   761   760   762    757    763
## peb.13     768   767   769   767   765   768   767   766   769    763    760
## futpeb.1   768   767   769   767   765   768   767   766   769    763    760
## futpeb.2   765   764   766   765   762   765   764   763   766    760    757
## futpeb.3   768   767   769   767   765   768   767   766   769    763    760
## futpeb.4   767   766   768   766   764   767   766   765   768    762    759
##          peb.13 futpeb.1 futpeb.2 futpeb.3 futpeb.4
## peb.1       768      768      765      768      767
## peb.2       767      767      764      767      766
## peb.3       769      769      766      769      768
## peb.4       767      767      765      767      766
## peb.5       765      765      762      765      764
## peb.6       768      768      765      768      767
## peb.7       767      767      764      767      766
## peb.8       766      766      763      766      765
## peb.9       769      769      766      769      768
## peb.10      763      763      760      763      762
## peb.12      760      760      757      760      759
## peb.13      770      767      764      767      766
## futpeb.1    767      770      765      768      768
## futpeb.2    764      765      767      766      765
## futpeb.3    767      768      766      770      768
## futpeb.4    766      768      765      768      769
## Probability values (Entries above the diagonal are adjusted for multiple tests.) 
##          peb.1 peb.2 peb.3 peb.4 peb.5 peb.6 peb.7 peb.8 peb.9 peb.10 peb.12
## peb.1        0     0     0     0     0     0     0     0     0      0      0
## peb.2        0     0     0     0     0     0     0     0     0      0      0
## peb.3        0     0     0     0     0     0     0     0     0      0      0
## peb.4        0     0     0     0     0     0     0     0     0      0      0
## peb.5        0     0     0     0     0     0     0     0     0      0      0
## peb.6        0     0     0     0     0     0     0     0     0      0      0
## peb.7        0     0     0     0     0     0     0     0     0      0      0
## peb.8        0     0     0     0     0     0     0     0     0      0      0
## peb.9        0     0     0     0     0     0     0     0     0      0      0
## peb.10       0     0     0     0     0     0     0     0     0      0      0
## peb.12       0     0     0     0     0     0     0     0     0      0      0
## peb.13       0     0     0     0     0     0     0     0     0      0      0
## futpeb.1     0     0     0     0     0     0     0     0     0      0      0
## futpeb.2     0     0     0     0     0     0     0     0     0      0      0
## futpeb.3     0     0     0     0     0     0     0     0     0      0      0
## futpeb.4     0     0     0     0     0     0     0     0     0      0      0
##          peb.13 futpeb.1 futpeb.2 futpeb.3 futpeb.4
## peb.1         0        0        0        0        0
## peb.2         0        0        0        0        0
## peb.3         0        0        0        0        0
## peb.4         0        0        0        0        0
## peb.5         0        0        0        0        0
## peb.6         0        0        0        0        0
## peb.7         0        0        0        0        0
## peb.8         0        0        0        0        0
## peb.9         0        0        0        0        0
## peb.10        0        0        0        0        0
## peb.12        0        0        0        0        0
## peb.13        0        0        0        0        0
## futpeb.1      0        0        0        0        0
## futpeb.2      0        0        0        0        0
## futpeb.3      0        0        0        0        0
## futpeb.4      0        0        0        0        0
## 
##  To see confidence intervals of the correlations, print with the short=FALSE option

-> looks okay

Subset with PEB-items

subset.peb <- data[c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5",
                    "peb.6", "peb.7", "peb.8", "peb.9", "peb.10",
                    "peb.12", "peb.13",
                    "futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")] 
                    
View(subset.peb)

2.2.2.1 Kaiser-Maier-Olkin coefficient

KMO(subset.peb)
## Kaiser-Meyer-Olkin factor adequacy
## Call: KMO(r = subset.peb)
## Overall MSA =  0.92
## MSA for each item = 
##    peb.1    peb.2    peb.3    peb.4    peb.5    peb.6    peb.7    peb.8 
##     0.90     0.95     0.87     0.94     0.93     0.88     0.88     0.92 
##    peb.9   peb.10   peb.12   peb.13 futpeb.1 futpeb.2 futpeb.3 futpeb.4 
##     0.93     0.93     0.95     0.92     0.94     0.93     0.89     0.91
options(max.print=1000000)

-> KMO=.92

2.2.2.2 Extracting factors and parallel analysis

Scree Plot

VSS.scree (subset.peb)

Parallel analysis (Horn)

parallel.peb <- fa.parallel (subset.peb, fm="pa", fa = "fa")

## Parallel analysis suggests that the number of factors =  4  and the number of components =  NA

Eigenvalues of factors

parallel.peb$fa.values
##  [1]  6.18042913  1.14161797  0.55862611  0.19946655  0.10600463  0.02902519
##  [7] -0.04035576 -0.10405639 -0.16464850 -0.18680617 -0.20476080 -0.21095493
## [13] -0.21791945 -0.26945045 -0.28876867 -0.34648978

2.2.2.3 Factor analysis with fixed number of factors = 4

as suggested by parallel analysis

fa.pa.promax.peb <- fa(subset.peb, 4, fm = "pa", rotate = "Promax")  
print (fa.pa.promax.peb, digits = 2, cut = .3, sort = TRUE)       
## Factor Analysis using method =  pa
## Call: fa(r = subset.peb, nfactors = 4, rotate = "Promax", fm = "pa")
## Standardized loadings (pattern matrix) based upon correlation matrix
##          item   PA2   PA4   PA1   PA3   h2   u2 com
## peb.8       8  0.87                   0.74 0.26 1.0
## peb.7       7  0.85                   0.77 0.23 1.2
## peb.10     10  0.75                   0.67 0.33 1.1
## peb.9       9  0.63                   0.40 0.60 1.4
## peb.1       1  0.60              0.30 0.55 0.45 1.6
## futpeb.3   15        0.92             0.78 0.22 1.1
## futpeb.2   14        0.78             0.62 0.38 1.0
## futpeb.4   16        0.77             0.70 0.30 1.1
## futpeb.1   13        0.37        0.36 0.48 0.52 2.0
## peb.3       3              0.78       0.52 0.48 1.0
## peb.6       6              0.75       0.44 0.56 1.1
## peb.4       4              0.39  0.37 0.49 0.51 2.0
## peb.5       5              0.35       0.36 0.64 2.0
## peb.12     11                    0.63 0.48 0.52 1.1
## peb.13     12              0.34  0.41 0.43 0.57 2.0
## peb.2       2                    0.36 0.38 0.62 2.0
## 
##                        PA2  PA4  PA1  PA3
## SS loadings           3.07 2.32 1.75 1.66
## Proportion Var        0.19 0.14 0.11 0.10
## Cumulative Var        0.19 0.34 0.45 0.55
## Proportion Explained  0.35 0.26 0.20 0.19
## Cumulative Proportion 0.35 0.61 0.81 1.00
## 
##  With factor correlations of 
##      PA2  PA4  PA1  PA3
## PA2 1.00 0.69 0.50 0.57
## PA4 0.69 1.00 0.43 0.51
## PA1 0.50 0.43 1.00 0.67
## PA3 0.57 0.51 0.67 1.00
## 
## Mean item complexity =  1.4
## Test of the hypothesis that 4 factors are sufficient.
## 
## df null model =  120  with the objective function =  7.91 with Chi Square =  6056.33
## df of  the model are 62  and the objective function was  0.37 
## 
## The root mean square of the residuals (RMSR) is  0.02 
## The df corrected root mean square of the residuals is  0.03 
## 
## The harmonic n.obs is  766 with the empirical chi square  53.67  with prob <  0.77 
## The total n.obs was  773  with Likelihood Chi Square =  284.09  with prob <  3.6e-30 
## 
## Tucker Lewis Index of factoring reliability =  0.927
## RMSEA index =  0.068  and the 90 % confidence intervals are  0.06 0.076
## BIC =  -128.23
## Fit based upon off diagonal values = 1
## Measures of factor score adequacy             
##                                                    PA2  PA4  PA1   PA3
## Correlation of (regression) scores with factors   0.80 0.85 0.76  0.65
## Multiple R square of scores with factors          0.64 0.72 0.57  0.43
## Minimum correlation of possible factor scores     0.29 0.43 0.15 -0.15

-> quite a few cross-loading items

2.2.2.4 Visualizing results

fa.diagram(fa.pa.promax.peb, simple=TRUE, cut=.4, digits=2)

fa.diagram(fa.pa.promax.peb, simple=FALSE, cut=.4, digits=2)

2.2.2.5 Factor analysis with fixed number of factors = 3

as suggested by scree plot and Eigenvalues

fa.pa.promax.peb <- fa(subset.peb, 3, fm = "pa", rotate = "Promax")  
print (fa.pa.promax.peb, digits = 2, cut = .3, sort = TRUE)       
## Factor Analysis using method =  pa
## Call: fa(r = subset.peb, nfactors = 3, rotate = "Promax", fm = "pa")
## Standardized loadings (pattern matrix) based upon correlation matrix
##          item   PA1   PA2   PA3   h2   u2 com
## peb.7       7  0.93             0.78 0.22 1.0
## peb.8       8  0.90             0.72 0.28 1.0
## peb.10     10  0.79             0.67 0.33 1.1
## peb.1       1  0.67             0.54 0.46 1.0
## peb.9       9  0.58             0.34 0.66 1.0
## peb.3       3        0.76       0.43 0.57 1.1
## peb.4       4        0.69       0.49 0.51 1.0
## peb.13     12        0.67       0.43 0.57 1.0
## peb.6       6        0.62       0.33 0.67 1.0
## peb.5       5        0.57       0.37 0.63 1.0
## peb.2       2        0.47       0.37 0.63 1.3
## peb.12     11        0.41       0.38 0.62 1.5
## futpeb.3   15              0.97 0.77 0.23 1.0
## futpeb.2   14              0.80 0.62 0.38 1.0
## futpeb.4   16              0.78 0.68 0.32 1.1
## futpeb.1   13              0.40 0.46 0.54 1.9
## 
##                        PA1  PA2  PA3
## SS loadings           3.26 2.72 2.40
## Proportion Var        0.20 0.17 0.15
## Cumulative Var        0.20 0.37 0.52
## Proportion Explained  0.39 0.32 0.29
## Cumulative Proportion 0.39 0.71 1.00
## 
##  With factor correlations of 
##      PA1  PA2  PA3
## PA1 1.00 0.61 0.72
## PA2 0.61 1.00 0.54
## PA3 0.72 0.54 1.00
## 
## Mean item complexity =  1.1
## Test of the hypothesis that 3 factors are sufficient.
## 
## df null model =  120  with the objective function =  7.91 with Chi Square =  6056.33
## df of  the model are 75  and the objective function was  0.51 
## 
## The root mean square of the residuals (RMSR) is  0.03 
## The df corrected root mean square of the residuals is  0.04 
## 
## The harmonic n.obs is  766 with the empirical chi square  93.8  with prob <  0.07 
## The total n.obs was  773  with Likelihood Chi Square =  391.94  with prob <  2e-44 
## 
## Tucker Lewis Index of factoring reliability =  0.914
## RMSEA index =  0.074  and the 90 % confidence intervals are  0.067 0.081
## BIC =  -106.83
## Fit based upon off diagonal values = 0.99
## Measures of factor score adequacy             
##                                                    PA1  PA2  PA3
## Correlation of (regression) scores with factors   0.84 0.82 0.89
## Multiple R square of scores with factors          0.70 0.68 0.79
## Minimum correlation of possible factor scores     0.40 0.35 0.59

-> 3 factors: Influencing other people’s PEB, Own PEB, Future PEB

2.2.2.6 Visualizing results

fa.diagram(fa.pa.promax.peb, simple=TRUE, cut=.4, digits=2)

fa.diagram(fa.pa.promax.peb, simple=FALSE, cut=.4, digits=2)

2.4 Empathy

# Empathic concern
data$emp.ec.2.i <- car::recode (data$emp.ec.2, '1=5; 2=4; 4=2; 5=1')
data$emp.ec.3.i <- car::recode (data$emp.ec.3, '1=5; 2=4; 4=2; 5=1')
data$emp.ec.4.i <- car::recode (data$emp.ec.4, '1=5; 2=4; 4=2; 5=1')

data$emp.ec <- rowMeans (data [c("emp.ec.1", "emp.ec.2.i", "emp.ec.3.i", "emp.ec.4.i")]) 

# Perspective taking
data$emp.pt <- rowMeans (data [c("emp.pt.1", "emp.pt.2", "emp.pt.3", "emp.pt.4")])  

2.4.1 CFA

Increases the number of rows that can be printed

options(max.print = 10000000)

2.4.1.1 Normality

Load package

library(MVN)

Create data frame with all empathy items

data.emp.items = data.frame(data$emp.ec.1, data$emp.ec.2.i, data$emp.ec.3.i, data$emp.ec.4.i, 
                            data$emp.pt.1, data$emp.pt.2, data$emp.pt.3, data$emp.pt.4)

Check for overall multivariate normality (Doornik-Hansen’s test)

result <- mvn(data = data.emp.items)
## Warning in mvn(data = data.emp.items): Missing values detected in 45 rows.
## These rows will be removed.
result$multivariateNormality
## NULL

2.4.1.2 CFA - 1 factor solution

Load package

library(lavaan)

CFA

CFA.1 <- ' emp =~ emp.ec.1 + emp.ec.2.i + emp.ec.3.i + emp.ec.4.i + 
                  emp.pt.1 + emp.pt.2 + emp.pt.3 + emp.pt.4 '

fit.1 <- cfa(CFA.1, std.lv=TRUE, data=data, estimator = "MLM")

summary(fit.1, fit.measures=TRUE, standardized=TRUE, rsquare=TRUE)
## lavaan 0.6-21 ended normally after 16 iterations
## 
##   Estimator                                         ML
##   Optimization method                           NLMINB
##   Number of model parameters                        16
## 
##                                                   Used       Total
##   Number of observations                           728         773
## 
## Model Test User Model:
##                                               Standard      Scaled
##   Test Statistic                               400.363     309.544
##   Degrees of freedom                                20          20
##   P-value (Chi-square)                           0.000       0.000
##   Scaling correction factor                                  1.293
##     Satorra-Bentler correction                                    
## 
## Model Test Baseline Model:
## 
##   Test statistic                              1364.491    1018.598
##   Degrees of freedom                                28          28
##   P-value                                        0.000       0.000
##   Scaling correction factor                                  1.340
## 
## User Model versus Baseline Model:
## 
##   Comparative Fit Index (CFI)                    0.715       0.708
##   Tucker-Lewis Index (TLI)                       0.602       0.591
##                                                                   
##   Robust Comparative Fit Index (CFI)                         0.718
##   Robust Tucker-Lewis Index (TLI)                            0.605
## 
## Loglikelihood and Information Criteria:
## 
##   Loglikelihood user model (H0)              -8008.250   -8008.250
##   Loglikelihood unrestricted model (H1)             NA          NA
##                                                                   
##   Akaike (AIC)                               16048.501   16048.501
##   Bayesian (BIC)                             16121.945   16121.945
##   Sample-size adjusted Bayesian (SABIC)      16071.140   16071.140
## 
## Root Mean Square Error of Approximation:
## 
##   RMSEA                                          0.162       0.141
##   90 Percent confidence interval - lower         0.148       0.129
##   90 Percent confidence interval - upper         0.176       0.153
##   P-value H_0: RMSEA <= 0.050                    0.000       0.000
##   P-value H_0: RMSEA >= 0.080                    1.000       1.000
##                                                                   
##   Robust RMSEA                                               0.160
##   90 Percent confidence interval - lower                     0.145
##   90 Percent confidence interval - upper                     0.176
##   P-value H_0: Robust RMSEA <= 0.050                         0.000
##   P-value H_0: Robust RMSEA >= 0.080                         1.000
## 
## Standardized Root Mean Square Residual:
## 
##   SRMR                                           0.100       0.100
## 
## Parameter Estimates:
## 
##   Standard errors                           Robust.sem
##   Information                                 Expected
##   Information saturated (h1) model          Structured
## 
## Latent Variables:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##   emp =~                                                                
##     emp.ec.1          0.511    0.049   10.472    0.000    0.511    0.464
##     emp.ec.2.i        0.409    0.049    8.278    0.000    0.409    0.367
##     emp.ec.3.i        0.500    0.045   10.996    0.000    0.500    0.477
##     emp.ec.4.i        0.457    0.045   10.203    0.000    0.457    0.466
##     emp.pt.1          0.588    0.038   15.426    0.000    0.588    0.640
##     emp.pt.2          0.421    0.041   10.238    0.000    0.421    0.471
##     emp.pt.3          0.762    0.040   19.302    0.000    0.762    0.647
##     emp.pt.4          0.767    0.041   18.702    0.000    0.767    0.687
## 
## Variances:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##    .emp.ec.1          0.951    0.064   14.813    0.000    0.951    0.785
##    .emp.ec.2.i        1.078    0.065   16.476    0.000    1.078    0.866
##    .emp.ec.3.i        0.847    0.051   16.567    0.000    0.847    0.772
##    .emp.ec.4.i        0.752    0.055   13.572    0.000    0.752    0.783
##    .emp.pt.1          0.498    0.043   11.705    0.000    0.498    0.590
##    .emp.pt.2          0.623    0.044   14.294    0.000    0.623    0.778
##    .emp.pt.3          0.807    0.052   15.457    0.000    0.807    0.581
##    .emp.pt.4          0.658    0.052   12.769    0.000    0.658    0.528
##     emp               1.000                               1.000    1.000
## 
## R-Square:
##                    Estimate
##     emp.ec.1          0.215
##     emp.ec.2.i        0.134
##     emp.ec.3.i        0.228
##     emp.ec.4.i        0.217
##     emp.pt.1          0.410
##     emp.pt.2          0.222
##     emp.pt.3          0.419
##     emp.pt.4          0.472
parameterEstimates(fit.1, standardized=TRUE) 
##           lhs op        rhs   est    se      z pvalue ci.lower ci.upper std.lv
## 1         emp =~   emp.ec.1 0.511 0.049 10.472      0    0.415    0.606  0.511
## 2         emp =~ emp.ec.2.i 0.409 0.049  8.278      0    0.312    0.506  0.409
## 3         emp =~ emp.ec.3.i 0.500 0.045 10.996      0    0.411    0.589  0.500
## 4         emp =~ emp.ec.4.i 0.457 0.045 10.203      0    0.369    0.545  0.457
## 5         emp =~   emp.pt.1 0.588 0.038 15.426      0    0.514    0.663  0.588
## 6         emp =~   emp.pt.2 0.421 0.041 10.238      0    0.341    0.502  0.421
## 7         emp =~   emp.pt.3 0.762 0.040 19.302      0    0.685    0.840  0.762
## 8         emp =~   emp.pt.4 0.767 0.041 18.702      0    0.687    0.847  0.767
## 9    emp.ec.1 ~~   emp.ec.1 0.951 0.064 14.813      0    0.825    1.077  0.951
## 10 emp.ec.2.i ~~ emp.ec.2.i 1.078 0.065 16.476      0    0.950    1.206  1.078
## 11 emp.ec.3.i ~~ emp.ec.3.i 0.847 0.051 16.567      0    0.747    0.947  0.847
## 12 emp.ec.4.i ~~ emp.ec.4.i 0.752 0.055 13.572      0    0.644    0.861  0.752
## 13   emp.pt.1 ~~   emp.pt.1 0.498 0.043 11.705      0    0.415    0.582  0.498
## 14   emp.pt.2 ~~   emp.pt.2 0.623 0.044 14.294      0    0.538    0.709  0.623
## 15   emp.pt.3 ~~   emp.pt.3 0.807 0.052 15.457      0    0.705    0.909  0.807
## 16   emp.pt.4 ~~   emp.pt.4 0.658 0.052 12.769      0    0.557    0.759  0.658
## 17        emp ~~        emp 1.000 0.000     NA     NA    1.000    1.000  1.000
##    std.all
## 1    0.464
## 2    0.367
## 3    0.477
## 4    0.466
## 5    0.640
## 6    0.471
## 7    0.647
## 8    0.687
## 9    0.785
## 10   0.866
## 11   0.772
## 12   0.783
## 13   0.590
## 14   0.778
## 15   0.581
## 16   0.528
## 17   1.000

Factor loadings

library(dplyr) 
library(tidyr)
library(knitr)
options(knitr.kable.NA = '') 

parameterEstimates(fit.1, standardized=TRUE) %>% 
        filter(op == "=~") %>% 
        select('Latent Factor'=lhs, Indicator=rhs, B=est, SE=se, Z=z, 'p-value'= pvalue, Beta=std.all) %>% 
        kable(digits = 3, format="pandoc", caption="Factor Loadings")
Factor Loadings
Latent Factor Indicator B SE Z p-value Beta
emp emp.ec.1 0.511 0.049 10.472 0 0.464
emp emp.ec.2.i 0.409 0.049 8.278 0 0.367
emp emp.ec.3.i 0.500 0.045 10.996 0 0.477
emp emp.ec.4.i 0.457 0.045 10.203 0 0.466
emp emp.pt.1 0.588 0.038 15.426 0 0.640
emp emp.pt.2 0.421 0.041 10.238 0 0.471
emp emp.pt.3 0.762 0.040 19.302 0 0.647
emp emp.pt.4 0.767 0.041 18.702 0 0.687

Modification indices

mod_ind <- modificationindices(fit.1)

head(mod_ind[order(mod_ind$mi, decreasing=TRUE), ], 10)        
##           lhs op        rhs      mi    epc sepc.lv sepc.all sepc.nox
## 45   emp.pt.3 ~~   emp.pt.4 182.115  0.545   0.545    0.749    0.749
## 31 emp.ec.3.i ~~ emp.ec.4.i 114.609  0.349   0.349    0.437    0.437
## 25 emp.ec.2.i ~~ emp.ec.3.i  58.221  0.290   0.290    0.304    0.304
## 38 emp.ec.4.i ~~   emp.pt.3  57.176 -0.264  -0.264   -0.339   -0.339
## 26 emp.ec.2.i ~~ emp.ec.4.i  52.007  0.258   0.258    0.286    0.286
## 34 emp.ec.3.i ~~   emp.pt.3  32.900 -0.214  -0.214   -0.259   -0.259
## 29 emp.ec.2.i ~~   emp.pt.3  28.063 -0.214  -0.214   -0.229   -0.229
## 39 emp.ec.4.i ~~   emp.pt.4  24.212 -0.162  -0.162   -0.230   -0.230
## 20   emp.ec.1 ~~ emp.ec.4.i  24.193  0.169   0.169    0.200    0.200
## 35 emp.ec.3.i ~~   emp.pt.4  22.369 -0.166  -0.166   -0.223   -0.223
subset(mod_ind[order(mod_ind$mi, decreasing=TRUE), ], mi > 5)  
##           lhs op        rhs      mi    epc sepc.lv sepc.all sepc.nox
## 45   emp.pt.3 ~~   emp.pt.4 182.115  0.545   0.545    0.749    0.749
## 31 emp.ec.3.i ~~ emp.ec.4.i 114.609  0.349   0.349    0.437    0.437
## 25 emp.ec.2.i ~~ emp.ec.3.i  58.221  0.290   0.290    0.304    0.304
## 38 emp.ec.4.i ~~   emp.pt.3  57.176 -0.264  -0.264   -0.339   -0.339
## 26 emp.ec.2.i ~~ emp.ec.4.i  52.007  0.258   0.258    0.286    0.286
## 34 emp.ec.3.i ~~   emp.pt.3  32.900 -0.214  -0.214   -0.259   -0.259
## 29 emp.ec.2.i ~~   emp.pt.3  28.063 -0.214  -0.214   -0.229   -0.229
## 39 emp.ec.4.i ~~   emp.pt.4  24.212 -0.162  -0.162   -0.230   -0.230
## 20   emp.ec.1 ~~ emp.ec.4.i  24.193  0.169   0.169    0.200    0.200
## 35 emp.ec.3.i ~~   emp.pt.4  22.369 -0.166  -0.166   -0.223   -0.223
## 37 emp.ec.4.i ~~   emp.pt.2  19.729 -0.124  -0.124   -0.181   -0.181
## 24   emp.ec.1 ~~   emp.pt.4  17.519 -0.155  -0.155   -0.196   -0.196
## 19   emp.ec.1 ~~ emp.ec.3.i  16.240  0.148   0.148    0.164    0.164
## 23   emp.ec.1 ~~   emp.pt.3  14.763 -0.151  -0.151   -0.172   -0.172
## 33 emp.ec.3.i ~~   emp.pt.2  13.950 -0.111  -0.111   -0.153   -0.153
## 40   emp.pt.1 ~~   emp.pt.2  12.691  0.089   0.089    0.159    0.159
## 43   emp.pt.2 ~~   emp.pt.3  10.291  0.102   0.102    0.144    0.144
## 28 emp.ec.2.i ~~   emp.pt.2   9.125 -0.098  -0.098   -0.120   -0.120
## 42   emp.pt.1 ~~   emp.pt.4   5.674 -0.075  -0.075   -0.131   -0.131
## 30 emp.ec.2.i ~~   emp.pt.4   5.597 -0.089  -0.089   -0.106   -0.106

Variance-Covariance-Matrix

inspect(fit.1, "sampstat")$cov       
##            emp.c.1 em..2. em..3. em..4. emp.p.1 emp..2 emp..3 emp..4
## emp.ec.1     1.212                                                  
## emp.ec.2.i   0.250  1.245                                           
## emp.ec.3.i   0.377  0.456  1.097                                    
## emp.ec.4.i   0.374  0.412  0.516  0.961                             
## emp.pt.1     0.336  0.216  0.280  0.292   0.845                     
## emp.pt.2     0.209  0.087  0.119  0.090   0.309  0.801              
## emp.pt.3     0.286  0.155  0.237  0.168   0.431  0.391  1.388       
## emp.pt.4     0.294  0.253  0.281  0.249   0.417  0.335  0.828  1.246
fitted(fit.1)$cov                    
##            emp.c.1 em..2. em..3. em..4. emp.p.1 emp..2 emp..3 emp..4
## emp.ec.1     1.212                                                  
## emp.ec.2.i   0.209  1.245                                           
## emp.ec.3.i   0.255  0.205  1.097                                    
## emp.ec.4.i   0.233  0.187  0.228  0.961                             
## emp.pt.1     0.301  0.241  0.294  0.269   0.845                     
## emp.pt.2     0.215  0.172  0.211  0.192   0.248  0.801              
## emp.pt.3     0.389  0.312  0.381  0.348   0.449  0.321  1.388       
## emp.pt.4     0.392  0.314  0.384  0.350   0.451  0.323  0.585  1.246

Standardized residuals

cov_table <- resid(fit.1, type="standardized")$cov

cov_table[upper.tri(cov_table)] <- NA     
diag(cov_table) <- NA                     

kable(cov_table, digits=2)                
emp.ec.1 emp.ec.2.i emp.ec.3.i emp.ec.4.i emp.pt.1 emp.pt.2 emp.pt.3 emp.pt.4
emp.ec.1
emp.ec.2.i 0.99
emp.ec.3.i 3.38 6.04
emp.ec.4.i 3.92 5.27 8.04
emp.pt.1 1.45 -1.03 -0.70 1.15
emp.pt.2 -0.20 -2.47 -3.37 -4.22 3.30
emp.pt.3 -3.67 -5.38 -5.66 -7.82 -0.90 2.81
emp.pt.4 -4.30 -2.28 -4.71 -5.16 -2.38 0.56 9.08

2.4.1.3 CFA - 2 factor solution

CFA.2 <- ' emp.ec.lat =~ emp.ec.1 + emp.ec.2.i + emp.ec.3.i + emp.ec.4.i 
           emp.pt.lat =~ emp.pt.1 + emp.pt.2 + emp.pt.3 + emp.pt.4 '

fit.2 <- cfa(CFA.2, std.lv=TRUE, data=data, estimator = "MLM")

summary(fit.2, fit.measures=TRUE, standardized=TRUE, rsquare=TRUE)
## lavaan 0.6-21 ended normally after 15 iterations
## 
##   Estimator                                         ML
##   Optimization method                           NLMINB
##   Number of model parameters                        17
## 
##                                                   Used       Total
##   Number of observations                           728         773
## 
## Model Test User Model:
##                                               Standard      Scaled
##   Test Statistic                               116.666      93.876
##   Degrees of freedom                                19          19
##   P-value (Chi-square)                           0.000       0.000
##   Scaling correction factor                                  1.243
##     Satorra-Bentler correction                                    
## 
## Model Test Baseline Model:
## 
##   Test statistic                              1364.491    1018.598
##   Degrees of freedom                                28          28
##   P-value                                        0.000       0.000
##   Scaling correction factor                                  1.340
## 
## User Model versus Baseline Model:
## 
##   Comparative Fit Index (CFI)                    0.927       0.924
##   Tucker-Lewis Index (TLI)                       0.892       0.889
##                                                                   
##   Robust Comparative Fit Index (CFI)                         0.930
##   Robust Tucker-Lewis Index (TLI)                            0.897
## 
## Loglikelihood and Information Criteria:
## 
##   Loglikelihood user model (H0)              -7866.402   -7866.402
##   Loglikelihood unrestricted model (H1)             NA          NA
##                                                                   
##   Akaike (AIC)                               15766.804   15766.804
##   Bayesian (BIC)                             15844.839   15844.839
##   Sample-size adjusted Bayesian (SABIC)      15790.859   15790.859
## 
## Root Mean Square Error of Approximation:
## 
##   RMSEA                                          0.084       0.074
##   90 Percent confidence interval - lower         0.070       0.061
##   90 Percent confidence interval - upper         0.099       0.087
##   P-value H_0: RMSEA <= 0.050                    0.000       0.002
##   P-value H_0: RMSEA >= 0.080                    0.691       0.226
##                                                                   
##   Robust RMSEA                                               0.082
##   90 Percent confidence interval - lower                     0.066
##   90 Percent confidence interval - upper                     0.099
##   P-value H_0: Robust RMSEA <= 0.050                         0.001
##   P-value H_0: Robust RMSEA >= 0.080                         0.600
## 
## Standardized Root Mean Square Residual:
## 
##   SRMR                                           0.062       0.062
## 
## Parameter Estimates:
## 
##   Standard errors                           Robust.sem
##   Information                                 Expected
##   Information saturated (h1) model          Structured
## 
## Latent Variables:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##   emp.ec.lat =~                                                         
##     emp.ec.1          0.534    0.048   11.065    0.000    0.534    0.485
##     emp.ec.2.i        0.585    0.050   11.671    0.000    0.585    0.524
##     emp.ec.3.i        0.745    0.041   18.138    0.000    0.745    0.711
##     emp.ec.4.i        0.687    0.042   16.433    0.000    0.687    0.701
##   emp.pt.lat =~                                                         
##     emp.pt.1          0.521    0.039   13.326    0.000    0.521    0.567
##     emp.pt.2          0.430    0.042   10.302    0.000    0.430    0.480
##     emp.pt.3          0.902    0.038   23.858    0.000    0.902    0.765
##     emp.pt.4          0.874    0.041   21.269    0.000    0.874    0.783
## 
## Covariances:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##   emp.ec.lat ~~                                                         
##     emp.pt.lat        0.454    0.049    9.186    0.000    0.454    0.454
## 
## Variances:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##    .emp.ec.1          0.927    0.065   14.329    0.000    0.927    0.765
##    .emp.ec.2.i        0.903    0.072   12.545    0.000    0.903    0.725
##    .emp.ec.3.i        0.542    0.052   10.482    0.000    0.542    0.494
##    .emp.ec.4.i        0.488    0.054    9.119    0.000    0.488    0.508
##    .emp.pt.1          0.573    0.043   13.219    0.000    0.573    0.678
##    .emp.pt.2          0.616    0.043   14.167    0.000    0.616    0.769
##    .emp.pt.3          0.575    0.054   10.635    0.000    0.575    0.414
##    .emp.pt.4          0.482    0.056    8.614    0.000    0.482    0.386
##     emp.ec.lat        1.000                               1.000    1.000
##     emp.pt.lat        1.000                               1.000    1.000
## 
## R-Square:
##                    Estimate
##     emp.ec.1          0.235
##     emp.ec.2.i        0.275
##     emp.ec.3.i        0.506
##     emp.ec.4.i        0.492
##     emp.pt.1          0.322
##     emp.pt.2          0.231
##     emp.pt.3          0.586
##     emp.pt.4          0.614
parameterEstimates(fit.2, standardized=TRUE)
##           lhs op        rhs   est    se      z pvalue ci.lower ci.upper std.lv
## 1  emp.ec.lat =~   emp.ec.1 0.534 0.048 11.065      0    0.439    0.629  0.534
## 2  emp.ec.lat =~ emp.ec.2.i 0.585 0.050 11.671      0    0.487    0.683  0.585
## 3  emp.ec.lat =~ emp.ec.3.i 0.745 0.041 18.138      0    0.665    0.826  0.745
## 4  emp.ec.lat =~ emp.ec.4.i 0.687 0.042 16.433      0    0.605    0.769  0.687
## 5  emp.pt.lat =~   emp.pt.1 0.521 0.039 13.326      0    0.445    0.598  0.521
## 6  emp.pt.lat =~   emp.pt.2 0.430 0.042 10.302      0    0.348    0.512  0.430
## 7  emp.pt.lat =~   emp.pt.3 0.902 0.038 23.858      0    0.828    0.976  0.902
## 8  emp.pt.lat =~   emp.pt.4 0.874 0.041 21.269      0    0.794    0.955  0.874
## 9    emp.ec.1 ~~   emp.ec.1 0.927 0.065 14.329      0    0.800    1.054  0.927
## 10 emp.ec.2.i ~~ emp.ec.2.i 0.903 0.072 12.545      0    0.762    1.044  0.903
## 11 emp.ec.3.i ~~ emp.ec.3.i 0.542 0.052 10.482      0    0.441    0.644  0.542
## 12 emp.ec.4.i ~~ emp.ec.4.i 0.488 0.054  9.119      0    0.384    0.593  0.488
## 13   emp.pt.1 ~~   emp.pt.1 0.573 0.043 13.219      0    0.488    0.658  0.573
## 14   emp.pt.2 ~~   emp.pt.2 0.616 0.043 14.167      0    0.531    0.701  0.616
## 15   emp.pt.3 ~~   emp.pt.3 0.575 0.054 10.635      0    0.469    0.682  0.575
## 16   emp.pt.4 ~~   emp.pt.4 0.482 0.056  8.614      0    0.372    0.591  0.482
## 17 emp.ec.lat ~~ emp.ec.lat 1.000 0.000     NA     NA    1.000    1.000  1.000
## 18 emp.pt.lat ~~ emp.pt.lat 1.000 0.000     NA     NA    1.000    1.000  1.000
## 19 emp.ec.lat ~~ emp.pt.lat 0.454 0.049  9.186      0    0.357    0.551  0.454
##    std.all
## 1    0.485
## 2    0.524
## 3    0.711
## 4    0.701
## 5    0.567
## 6    0.480
## 7    0.765
## 8    0.783
## 9    0.765
## 10   0.725
## 11   0.494
## 12   0.508
## 13   0.678
## 14   0.769
## 15   0.414
## 16   0.386
## 17   1.000
## 18   1.000
## 19   0.454

Factor loadings

library(dplyr) 
library(tidyr)
library(knitr)
options(knitr.kable.NA = '') 

parameterEstimates(fit.2, standardized=TRUE) %>% 
        filter(op == "=~") %>% 
        select('Latent Factor'=lhs, Indicator=rhs, B=est, SE=se, Z=z, 'p-value'= pvalue, Beta=std.all) %>% 
        kable(digits = 3, format="pandoc", caption="Factor Loadings")
Factor Loadings
Latent Factor Indicator B SE Z p-value Beta
emp.ec.lat emp.ec.1 0.534 0.048 11.065 0 0.485
emp.ec.lat emp.ec.2.i 0.585 0.050 11.671 0 0.524
emp.ec.lat emp.ec.3.i 0.745 0.041 18.138 0 0.711
emp.ec.lat emp.ec.4.i 0.687 0.042 16.433 0 0.701
emp.pt.lat emp.pt.1 0.521 0.039 13.326 0 0.567
emp.pt.lat emp.pt.2 0.430 0.042 10.302 0 0.480
emp.pt.lat emp.pt.3 0.902 0.038 23.858 0 0.765
emp.pt.lat emp.pt.4 0.874 0.041 21.269 0 0.783

Modification indices

mod_ind <- modificationindices(fit.2)

head(mod_ind[order(mod_ind$mi, decreasing=TRUE), ], 10)        
##           lhs op      rhs     mi    epc sepc.lv sepc.all sepc.nox
## 55   emp.pt.3 ~~ emp.pt.4 51.630  0.492   0.492    0.934    0.934
## 20 emp.ec.lat =~ emp.pt.1 45.619  0.285   0.285    0.311    0.311
## 22 emp.ec.lat =~ emp.pt.3 20.947 -0.242  -0.242   -0.205   -0.205
## 50   emp.pt.1 ~~ emp.pt.2 19.264  0.110   0.110    0.185    0.185
## 24 emp.pt.lat =~ emp.ec.1 17.539  0.216   0.216    0.197    0.197
## 52   emp.pt.1 ~~ emp.pt.4 13.451 -0.132  -0.132   -0.252   -0.252
## 31   emp.ec.1 ~~ emp.pt.1 13.081  0.107   0.107    0.147    0.147
## 46 emp.ec.4.i ~~ emp.pt.1 12.705  0.085   0.085    0.162    0.162
## 51   emp.pt.1 ~~ emp.pt.3 10.357 -0.120  -0.120   -0.209   -0.209
## 54   emp.pt.2 ~~ emp.pt.4 10.165 -0.102  -0.102   -0.187   -0.187
subset(mod_ind[order(mod_ind$mi, decreasing=TRUE), ], mi > 5)  
##           lhs op      rhs     mi    epc sepc.lv sepc.all sepc.nox
## 55   emp.pt.3 ~~ emp.pt.4 51.630  0.492   0.492    0.934    0.934
## 20 emp.ec.lat =~ emp.pt.1 45.619  0.285   0.285    0.311    0.311
## 22 emp.ec.lat =~ emp.pt.3 20.947 -0.242  -0.242   -0.205   -0.205
## 50   emp.pt.1 ~~ emp.pt.2 19.264  0.110   0.110    0.185    0.185
## 24 emp.pt.lat =~ emp.ec.1 17.539  0.216   0.216    0.197    0.197
## 52   emp.pt.1 ~~ emp.pt.4 13.451 -0.132  -0.132   -0.252   -0.252
## 31   emp.ec.1 ~~ emp.pt.1 13.081  0.107   0.107    0.147    0.147
## 46 emp.ec.4.i ~~ emp.pt.1 12.705  0.085   0.085    0.162    0.162
## 51   emp.pt.1 ~~ emp.pt.3 10.357 -0.120  -0.120   -0.209   -0.209
## 54   emp.pt.2 ~~ emp.pt.4 10.165 -0.102  -0.102   -0.187   -0.187
## 48 emp.ec.4.i ~~ emp.pt.3  9.170 -0.083  -0.083   -0.157   -0.157
## 32   emp.ec.1 ~~ emp.pt.2  6.812  0.079   0.079    0.104    0.104

Variance-Covariance-Matrix

inspect(fit.2, "sampstat")$cov       
##            emp.c.1 em..2. em..3. em..4. emp.p.1 emp..2 emp..3 emp..4
## emp.ec.1     1.212                                                  
## emp.ec.2.i   0.250  1.245                                           
## emp.ec.3.i   0.377  0.456  1.097                                    
## emp.ec.4.i   0.374  0.412  0.516  0.961                             
## emp.pt.1     0.336  0.216  0.280  0.292   0.845                     
## emp.pt.2     0.209  0.087  0.119  0.090   0.309  0.801              
## emp.pt.3     0.286  0.155  0.237  0.168   0.431  0.391  1.388       
## emp.pt.4     0.294  0.253  0.281  0.249   0.417  0.335  0.828  1.246
fitted(fit.2)$cov                    
##            emp.c.1 em..2. em..3. em..4. emp.p.1 emp..2 emp..3 emp..4
## emp.ec.1     1.212                                                  
## emp.ec.2.i   0.313  1.245                                           
## emp.ec.3.i   0.398  0.436  1.097                                    
## emp.ec.4.i   0.367  0.402  0.512  0.961                             
## emp.pt.1     0.126  0.138  0.176  0.163   0.845                     
## emp.pt.2     0.104  0.114  0.145  0.134   0.224  0.801              
## emp.pt.3     0.219  0.240  0.305  0.281   0.470  0.388  1.388       
## emp.pt.4     0.212  0.232  0.296  0.273   0.456  0.376  0.788  1.246

Standardized residuals

cov_table <- resid(fit.2, type="standardized")$cov

cov_table[upper.tri(cov_table)] <- NA    
diag(cov_table) <- NA                     

kable(cov_table, digits=2)                
emp.ec.1 emp.ec.2.i emp.ec.3.i emp.ec.4.i emp.pt.1 emp.pt.2 emp.pt.3 emp.pt.4
emp.ec.1
emp.ec.2.i -1.82
emp.ec.3.i -1.06 0.97
emp.ec.4.i 0.33 0.46 0.48
emp.pt.1 5.64 2.34 3.48 4.44
emp.pt.2 2.69 -0.69 -0.84 -1.56 3.91
emp.pt.3 1.50 -2.08 -2.29 -4.11 -3.11 0.2
emp.pt.4 2.02 0.53 -0.56 -0.97 -4.10 -3.0 5.41
2.4.1.3.1 Plot CFA - 2 factor solution

Load package

library(semPlot)
semPaths(fit.2, rotation = 2, nodeLabels=1:8)

Create the vector for the node labels

nodeLabels <- c("1", "2", "3", "4", 
                "5", "6", "7", "8",
                "empathic concern", 
                "perspective taking"
                )

Create a character vector for the order of latent variables

latents <- c("emp.ec.lat", "emp.pt.lat")

Plot

semPaths(fit.2, 
         style = "lisrel",       
         whatLabels = "std.all", 
         nCharNodes = 0,         
         rotation = 2,           
         layout = "tree3",
         curvePivot = TRUE,      
         curvePivotShape = 2.1,  
         edge.label.cex = .5,    
         cardinal = TRUE,        
         sizeMan = 5,            
         sizeMan2 = 2,           
         sizeLat =10,            
         sizeLat2 = 10,          
         nodeLabels = nodeLabels,
         latents = latents       
)

2.4.1.4 Comparing CFAs

2.4.1.4.1 1 factor vs. 2 factor
lavTestLRT(fit.1, fit.2)
## 
## Scaled Chi-Squared Difference Test (method = "satorra.bentler.2001")
## 
## lavaan->lavTestLRT():  
##    lavaan NOTE: The "Chisq" column contains standard test statistics, not the 
##    robust test that should be reported per model. A robust difference test is 
##    a function of two standard (not robust) statistics.
## 
##       Df   AIC   BIC  Chisq Chisq diff   RMSEA Df diff Pr(>Chisq)    
## fit.2 19 15767 15845 116.67                                          
## fit.1 20 16048 16122 400.36     125.78 0.62177       1  < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> 2-factor solution fits better

2.5 Emotion-focused coping

# Emotional suppression
data$emoreg.ed <- rowMeans (data [c("emoreg.ed.1", "emoreg.ed.2", "emoreg.ed.3")]) 

# Emotional integration
data$emoreg.ier <- rowMeans (data [c("emoreg.ier.1", "emoreg.ier.2", "emoreg.ier.3")])  

2.5.1 CFA

Increases the number of rows that can be printed

options(max.print = 10000000)

2.5.1.1 Normality

Load package

library(MVN)

Create data frame with all emotion-focused coping items

data.emoreg.items = data.frame(data$emoreg.ed.1, data$emoreg.ed.2, data$emoreg.ed.3, 
                            data$emoreg.ier.1, data$emoreg.ier.2, data$emoreg.ier.3)

Check for overall multivariate normality (Doornik-Hansen’s test)

result <- mvn(data = data.emoreg.items)
## Warning in mvn(data = data.emoreg.items): Missing values detected in 37 rows.
## These rows will be removed.
result$multivariateNormality
## NULL

2.5.1.2 CFA - 1 factor solution

Load package

library(lavaan)

CFA

CFA.1 <- ' emoreg =~ emoreg.ed.1 + emoreg.ed.2 + emoreg.ed.3 + 
                     emoreg.ier.1 + emoreg.ier.2 + emoreg.ier.3 '

fit.1 <- cfa(CFA.1, std.lv=TRUE, data=data, estimator = "MLM")

summary(fit.1, fit.measures=TRUE, standardized=TRUE, rsquare=TRUE)
## lavaan 0.6-21 ended normally after 18 iterations
## 
##   Estimator                                         ML
##   Optimization method                           NLMINB
##   Number of model parameters                        12
## 
##                                                   Used       Total
##   Number of observations                           736         773
## 
## Model Test User Model:
##                                               Standard      Scaled
##   Test Statistic                               693.451     567.978
##   Degrees of freedom                                 9           9
##   P-value (Chi-square)                           0.000       0.000
##   Scaling correction factor                                  1.221
##     Satorra-Bentler correction                                    
## 
## Model Test Baseline Model:
## 
##   Test statistic                              1486.692    1198.532
##   Degrees of freedom                                15          15
##   P-value                                        0.000       0.000
##   Scaling correction factor                                  1.240
## 
## User Model versus Baseline Model:
## 
##   Comparative Fit Index (CFI)                    0.535       0.528
##   Tucker-Lewis Index (TLI)                       0.225       0.213
##                                                                   
##   Robust Comparative Fit Index (CFI)                         0.535
##   Robust Tucker-Lewis Index (TLI)                            0.225
## 
## Loglikelihood and Information Criteria:
## 
##   Loglikelihood user model (H0)              -8235.217   -8235.217
##   Loglikelihood unrestricted model (H1)             NA          NA
##                                                                   
##   Akaike (AIC)                               16494.435   16494.435
##   Bayesian (BIC)                             16549.650   16549.650
##   Sample-size adjusted Bayesian (SABIC)      16511.545   16511.545
## 
## Root Mean Square Error of Approximation:
## 
##   RMSEA                                          0.321       0.290
##   90 Percent confidence interval - lower         0.301       0.272
##   90 Percent confidence interval - upper         0.342       0.309
##   P-value H_0: RMSEA <= 0.050                    0.000       0.000
##   P-value H_0: RMSEA >= 0.080                    1.000       1.000
##                                                                   
##   Robust RMSEA                                               0.321
##   90 Percent confidence interval - lower                     0.299
##   90 Percent confidence interval - upper                     0.344
##   P-value H_0: Robust RMSEA <= 0.050                         0.000
##   P-value H_0: Robust RMSEA >= 0.080                         1.000
## 
## Standardized Root Mean Square Residual:
## 
##   SRMR                                           0.201       0.201
## 
## Parameter Estimates:
## 
##   Standard errors                           Robust.sem
##   Information                                 Expected
##   Information saturated (h1) model          Structured
## 
## Latent Variables:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##   emoreg =~                                                             
##     emoreg.ed.1       1.156    0.068   17.020    0.000    1.156    0.631
##     emoreg.ed.2       1.495    0.059   25.467    0.000    1.495    0.853
##     emoreg.ed.3       1.389    0.059   23.361    0.000    1.389    0.813
##     emoreg.ier.1      0.267    0.071    3.746    0.000    0.267    0.165
##     emoreg.ier.2      0.082    0.076    1.077    0.281    0.082    0.049
##     emoreg.ier.3      0.028    0.078    0.353    0.724    0.028    0.016
## 
## Variances:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##    .emoreg.ed.1       2.014    0.153   13.134    0.000    2.014    0.601
##    .emoreg.ed.2       0.836    0.136    6.166    0.000    0.836    0.272
##    .emoreg.ed.3       0.993    0.129    7.689    0.000    0.993    0.340
##    .emoreg.ier.1      2.536    0.107   23.688    0.000    2.536    0.973
##    .emoreg.ier.2      2.754    0.114   24.245    0.000    2.754    0.998
##    .emoreg.ier.3      2.860    0.123   23.344    0.000    2.860    1.000
##     emoreg            1.000                               1.000    1.000
## 
## R-Square:
##                    Estimate
##     emoreg.ed.1       0.399
##     emoreg.ed.2       0.728
##     emoreg.ed.3       0.660
##     emoreg.ier.1      0.027
##     emoreg.ier.2      0.002
##     emoreg.ier.3      0.000
parameterEstimates(fit.1, standardized=TRUE) 
##             lhs op          rhs   est    se      z pvalue ci.lower ci.upper
## 1        emoreg =~  emoreg.ed.1 1.156 0.068 17.020  0.000    1.023    1.289
## 2        emoreg =~  emoreg.ed.2 1.495 0.059 25.467  0.000    1.380    1.610
## 3        emoreg =~  emoreg.ed.3 1.389 0.059 23.361  0.000    1.273    1.506
## 4        emoreg =~ emoreg.ier.1 0.267 0.071  3.746  0.000    0.127    0.407
## 5        emoreg =~ emoreg.ier.2 0.082 0.076  1.077  0.281   -0.067    0.231
## 6        emoreg =~ emoreg.ier.3 0.028 0.078  0.353  0.724   -0.126    0.181
## 7   emoreg.ed.1 ~~  emoreg.ed.1 2.014 0.153 13.134  0.000    1.714    2.315
## 8   emoreg.ed.2 ~~  emoreg.ed.2 0.836 0.136  6.166  0.000    0.570    1.101
## 9   emoreg.ed.3 ~~  emoreg.ed.3 0.993 0.129  7.689  0.000    0.740    1.246
## 10 emoreg.ier.1 ~~ emoreg.ier.1 2.536 0.107 23.688  0.000    2.327    2.746
## 11 emoreg.ier.2 ~~ emoreg.ier.2 2.754 0.114 24.245  0.000    2.532    2.977
## 12 emoreg.ier.3 ~~ emoreg.ier.3 2.860 0.123 23.344  0.000    2.620    3.101
## 13       emoreg ~~       emoreg 1.000 0.000     NA     NA    1.000    1.000
##    std.lv std.all
## 1   1.156   0.631
## 2   1.495   0.853
## 3   1.389   0.813
## 4   0.267   0.165
## 5   0.082   0.049
## 6   0.028   0.016
## 7   2.014   0.601
## 8   0.836   0.272
## 9   0.993   0.340
## 10  2.536   0.973
## 11  2.754   0.998
## 12  2.860   1.000
## 13  1.000   1.000

Factor loadings

library(dplyr) 
library(tidyr)
library(knitr)
options(knitr.kable.NA = '') 

parameterEstimates(fit.1, standardized=TRUE) %>% 
        filter(op == "=~") %>% 
        select('Latent Factor'=lhs, Indicator=rhs, B=est, SE=se, Z=z, 'p-value'= pvalue, Beta=std.all) %>% 
        kable(digits = 3, format="pandoc", caption="Factor Loadings")
Factor Loadings
Latent Factor Indicator B SE Z p-value Beta
emoreg emoreg.ed.1 1.156 0.068 17.020 0.000 0.631
emoreg emoreg.ed.2 1.495 0.059 25.467 0.000 0.853
emoreg emoreg.ed.3 1.389 0.059 23.361 0.000 0.813
emoreg emoreg.ier.1 0.267 0.071 3.746 0.000 0.165
emoreg emoreg.ier.2 0.082 0.076 1.077 0.281 0.049
emoreg emoreg.ier.3 0.028 0.078 0.353 0.724 0.016

Modification indices

mod_ind <- modificationindices(fit.1)

head(mod_ind[order(mod_ind$mi, decreasing=TRUE), ], 10)        
##             lhs op          rhs      mi    epc sepc.lv sepc.all sepc.nox
## 28 emoreg.ier.2 ~~ emoreg.ier.3 349.249  1.934   1.934    0.689    0.689
## 26 emoreg.ier.1 ~~ emoreg.ier.2 149.206  1.193   1.193    0.452    0.452
## 27 emoreg.ier.1 ~~ emoreg.ier.3 123.197  1.105   1.105    0.410    0.410
## 19  emoreg.ed.2 ~~  emoreg.ed.3  12.774  2.055   2.055    2.256    2.256
## 16  emoreg.ed.1 ~~ emoreg.ier.1  12.093  0.311   0.311    0.138    0.138
## 23  emoreg.ed.3 ~~ emoreg.ier.1   8.085 -0.213  -0.213   -0.134   -0.134
## 14  emoreg.ed.1 ~~  emoreg.ed.2   7.721 -0.928  -0.928   -0.715   -0.715
## 17  emoreg.ed.1 ~~ emoreg.ier.2   6.057 -0.228  -0.228   -0.097   -0.097
## 25  emoreg.ed.3 ~~ emoreg.ier.3   4.886 -0.172  -0.172   -0.102   -0.102
## 24  emoreg.ed.3 ~~ emoreg.ier.2   4.581 -0.164  -0.164   -0.099   -0.099
subset(mod_ind[order(mod_ind$mi, decreasing=TRUE), ], mi > 5)   
##             lhs op          rhs      mi    epc sepc.lv sepc.all sepc.nox
## 28 emoreg.ier.2 ~~ emoreg.ier.3 349.249  1.934   1.934    0.689    0.689
## 26 emoreg.ier.1 ~~ emoreg.ier.2 149.206  1.193   1.193    0.452    0.452
## 27 emoreg.ier.1 ~~ emoreg.ier.3 123.197  1.105   1.105    0.410    0.410
## 19  emoreg.ed.2 ~~  emoreg.ed.3  12.774  2.055   2.055    2.256    2.256
## 16  emoreg.ed.1 ~~ emoreg.ier.1  12.093  0.311   0.311    0.138    0.138
## 23  emoreg.ed.3 ~~ emoreg.ier.1   8.085 -0.213  -0.213   -0.134   -0.134
## 14  emoreg.ed.1 ~~  emoreg.ed.2   7.721 -0.928  -0.928   -0.715   -0.715
## 17  emoreg.ed.1 ~~ emoreg.ier.2   6.057 -0.228  -0.228   -0.097   -0.097

Variance-Covariance-Matrix

inspect(fit.1, "sampstat")$cov       
##              emrg.d.1 emrg.d.2 emrg.d.3 emrg.r.1 emrg.r.2 emrg.r.3
## emoreg.ed.1     3.350                                             
## emoreg.ed.2     1.709    3.071                                    
## emoreg.ed.3     1.615    2.084    2.923                           
## emoreg.ier.1    0.578    0.389    0.241    2.608                  
## emoreg.ier.2   -0.105    0.187    0.010    1.208    2.761         
## emoreg.ier.3   -0.100    0.072   -0.071    1.106    1.935    2.861
fitted(fit.1)$cov                   
##              emrg.d.1 emrg.d.2 emrg.d.3 emrg.r.1 emrg.r.2 emrg.r.3
## emoreg.ed.1     3.350                                             
## emoreg.ed.2     1.728    3.071                                    
## emoreg.ed.3     1.606    2.077    2.923                           
## emoreg.ier.1    0.309    0.399    0.371    2.608                  
## emoreg.ier.2    0.095    0.122    0.114    0.022    2.761         
## emoreg.ier.3    0.032    0.041    0.038    0.007    0.002    2.861

Standardized residuals

cov_table <- resid(fit.1, type="standardized")$cov

cov_table[upper.tri(cov_table)] <- NA     
diag(cov_table) <- NA                     

kable(cov_table, digits=2)                
emoreg.ed.1 emoreg.ed.2 emoreg.ed.3 emoreg.ier.1 emoreg.ier.2 emoreg.ier.3
emoreg.ed.1
emoreg.ed.2 -2.24
emoreg.ed.3 0.82 2.70
emoreg.ier.1 3.05 -0.27 -2.78
emoreg.ier.2 -2.23 1.52 -1.94 11.13
emoreg.ier.3 -1.48 0.69 -1.96 10.03 16.08

2.5.1.3 CFA - 2 factor solution

CFA.2 <- ' emoreg.ed.lat =~ emoreg.ed.1 + emoreg.ed.2 + emoreg.ed.3
           emoreg.ier.lat =~ emoreg.ier.1 + emoreg.ier.2 + emoreg.ier.3 '

fit.2 <- cfa(CFA.2, std.lv=TRUE, data=data, estimator = "MLM")

summary(fit.2, fit.measures=TRUE, standardized=TRUE, rsquare=TRUE)
## lavaan 0.6-21 ended normally after 24 iterations
## 
##   Estimator                                         ML
##   Optimization method                           NLMINB
##   Number of model parameters                        13
## 
##                                                   Used       Total
##   Number of observations                           736         773
## 
## Model Test User Model:
##                                               Standard      Scaled
##   Test Statistic                                54.012      45.119
##   Degrees of freedom                                 8           8
##   P-value (Chi-square)                           0.000       0.000
##   Scaling correction factor                                  1.197
##     Satorra-Bentler correction                                    
## 
## Model Test Baseline Model:
## 
##   Test statistic                              1486.692    1198.532
##   Degrees of freedom                                15          15
##   P-value                                        0.000       0.000
##   Scaling correction factor                                  1.240
## 
## User Model versus Baseline Model:
## 
##   Comparative Fit Index (CFI)                    0.969       0.969
##   Tucker-Lewis Index (TLI)                       0.941       0.941
##                                                                   
##   Robust Comparative Fit Index (CFI)                         0.970
##   Robust Tucker-Lewis Index (TLI)                            0.943
## 
## Loglikelihood and Information Criteria:
## 
##   Loglikelihood user model (H0)              -7915.498   -7915.498
##   Loglikelihood unrestricted model (H1)             NA          NA
##                                                                   
##   Akaike (AIC)                               15856.995   15856.995
##   Bayesian (BIC)                             15916.811   15916.811
##   Sample-size adjusted Bayesian (SABIC)      15875.532   15875.532
## 
## Root Mean Square Error of Approximation:
## 
##   RMSEA                                          0.088       0.079
##   90 Percent confidence interval - lower         0.067       0.060
##   90 Percent confidence interval - upper         0.111       0.101
##   P-value H_0: RMSEA <= 0.050                    0.002       0.008
##   P-value H_0: RMSEA >= 0.080                    0.754       0.508
##                                                                   
##   Robust RMSEA                                               0.087
##   90 Percent confidence interval - lower                     0.063
##   90 Percent confidence interval - upper                     0.112
##   P-value H_0: Robust RMSEA <= 0.050                         0.006
##   P-value H_0: Robust RMSEA >= 0.080                         0.704
## 
## Standardized Root Mean Square Residual:
## 
##   SRMR                                           0.055       0.055
## 
## Parameter Estimates:
## 
##   Standard errors                           Robust.sem
##   Information                                 Expected
##   Information saturated (h1) model          Structured
## 
## Latent Variables:
##                     Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##   emoreg.ed.lat =~                                                       
##     emoreg.ed.1        1.150    0.068   16.840    0.000    1.150    0.628
##     emoreg.ed.2        1.489    0.060   24.993    0.000    1.489    0.850
##     emoreg.ed.3        1.400    0.059   23.621    0.000    1.400    0.819
##   emoreg.ier.lat =~                                                      
##     emoreg.ier.1       0.833    0.063   13.265    0.000    0.833    0.516
##     emoreg.ier.2       1.454    0.068   21.364    0.000    1.454    0.875
##     emoreg.ier.3       1.330    0.074   18.004    0.000    1.330    0.786
## 
## Covariances:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##   emoreg.ed.lat ~~                                                      
##     emoreg.ier.lat    0.043    0.050    0.849    0.396    0.043    0.043
## 
## Variances:
##                    Estimate  Std.Err  z-value  P(>|z|)   Std.lv  Std.all
##    .emoreg.ed.1       2.028    0.154   13.179    0.000    2.028    0.605
##    .emoreg.ed.2       0.854    0.138    6.181    0.000    0.854    0.278
##    .emoreg.ed.3       0.962    0.129    7.464    0.000    0.962    0.329
##    .emoreg.ier.1      1.914    0.108   17.804    0.000    1.914    0.734
##    .emoreg.ier.2      0.646    0.161    4.012    0.000    0.646    0.234
##    .emoreg.ier.3      1.092    0.178    6.135    0.000    1.092    0.382
##     emoreg.ed.lat     1.000                               1.000    1.000
##     emoreg.ier.lat    1.000                               1.000    1.000
## 
## R-Square:
##                    Estimate
##     emoreg.ed.1       0.395
##     emoreg.ed.2       0.722
##     emoreg.ed.3       0.671
##     emoreg.ier.1      0.266
##     emoreg.ier.2      0.766
##     emoreg.ier.3      0.618
parameterEstimates(fit.2, standardized=TRUE) 
##               lhs op            rhs   est    se      z pvalue ci.lower ci.upper
## 1   emoreg.ed.lat =~    emoreg.ed.1 1.150 0.068 16.840  0.000    1.016    1.284
## 2   emoreg.ed.lat =~    emoreg.ed.2 1.489 0.060 24.993  0.000    1.372    1.605
## 3   emoreg.ed.lat =~    emoreg.ed.3 1.400 0.059 23.621  0.000    1.284    1.517
## 4  emoreg.ier.lat =~   emoreg.ier.1 0.833 0.063 13.265  0.000    0.710    0.956
## 5  emoreg.ier.lat =~   emoreg.ier.2 1.454 0.068 21.364  0.000    1.321    1.588
## 6  emoreg.ier.lat =~   emoreg.ier.3 1.330 0.074 18.004  0.000    1.185    1.475
## 7     emoreg.ed.1 ~~    emoreg.ed.1 2.028 0.154 13.179  0.000    1.727    2.330
## 8     emoreg.ed.2 ~~    emoreg.ed.2 0.854 0.138  6.181  0.000    0.583    1.125
## 9     emoreg.ed.3 ~~    emoreg.ed.3 0.962 0.129  7.464  0.000    0.710    1.215
## 10   emoreg.ier.1 ~~   emoreg.ier.1 1.914 0.108 17.804  0.000    1.703    2.125
## 11   emoreg.ier.2 ~~   emoreg.ier.2 0.646 0.161  4.012  0.000    0.330    0.962
## 12   emoreg.ier.3 ~~   emoreg.ier.3 1.092 0.178  6.135  0.000    0.743    1.441
## 13  emoreg.ed.lat ~~  emoreg.ed.lat 1.000 0.000     NA     NA    1.000    1.000
## 14 emoreg.ier.lat ~~ emoreg.ier.lat 1.000 0.000     NA     NA    1.000    1.000
## 15  emoreg.ed.lat ~~ emoreg.ier.lat 0.043 0.050  0.849  0.396   -0.056    0.141
##    std.lv std.all
## 1   1.150   0.628
## 2   1.489   0.850
## 3   1.400   0.819
## 4   0.833   0.516
## 5   1.454   0.875
## 6   1.330   0.786
## 7   2.028   0.605
## 8   0.854   0.278
## 9   0.962   0.329
## 10  1.914   0.734
## 11  0.646   0.234
## 12  1.092   0.382
## 13  1.000   1.000
## 14  1.000   1.000
## 15  0.043   0.043

Factor loadings

library(dplyr) 
library(tidyr)
library(knitr)
options(knitr.kable.NA = '') 

parameterEstimates(fit.2, standardized=TRUE) %>% 
        filter(op == "=~") %>% 
        select('Latent Factor'=lhs, Indicator=rhs, B=est, SE=se, Z=z, 'p-value'= pvalue, Beta=std.all) %>% 
        kable(digits = 3, format="pandoc", caption="Factor Loadings")
Factor Loadings
Latent Factor Indicator B SE Z p-value Beta
emoreg.ed.lat emoreg.ed.1 1.150 0.068 16.840 0 0.628
emoreg.ed.lat emoreg.ed.2 1.489 0.060 24.993 0 0.850
emoreg.ed.lat emoreg.ed.3 1.400 0.059 23.621 0 0.819
emoreg.ier.lat emoreg.ier.1 0.833 0.063 13.265 0 0.516
emoreg.ier.lat emoreg.ier.2 1.454 0.068 21.364 0 0.875
emoreg.ier.lat emoreg.ier.3 1.330 0.074 18.004 0 0.786

Modification indices

mod_ind <- modificationindices(fit.2)

head(mod_ind[order(mod_ind$mi, decreasing=TRUE), ], 10)         
##               lhs op          rhs     mi    epc sepc.lv sepc.all sepc.nox
## 24    emoreg.ed.1 ~~ emoreg.ier.1 31.125  0.441   0.441    0.224    0.224
## 16  emoreg.ed.lat =~ emoreg.ier.1 17.022  0.238   0.238    0.147    0.147
## 36   emoreg.ier.2 ~~ emoreg.ier.3 17.016 12.953  12.953   15.417   15.417
## 25    emoreg.ed.1 ~~ emoreg.ier.2  9.196 -0.196  -0.196   -0.171   -0.171
## 23    emoreg.ed.1 ~~  emoreg.ed.3  6.174  3.288   3.288    2.353    2.353
## 20 emoreg.ier.lat =~  emoreg.ed.2  6.173  0.130   0.130    0.074    0.074
## 34   emoreg.ier.1 ~~ emoreg.ier.2  3.272 -1.956  -1.956   -1.759   -1.759
## 18  emoreg.ed.lat =~ emoreg.ier.3  3.271 -0.092  -0.092   -0.054   -0.054
## 29    emoreg.ed.2 ~~ emoreg.ier.2  3.226  0.094   0.094    0.127    0.127
## 21 emoreg.ier.lat =~  emoreg.ed.3  2.816 -0.085  -0.085   -0.050   -0.050
subset(mod_ind[order(mod_ind$mi, decreasing=TRUE), ], mi > 5)   
##               lhs op          rhs     mi    epc sepc.lv sepc.all sepc.nox
## 24    emoreg.ed.1 ~~ emoreg.ier.1 31.125  0.441   0.441    0.224    0.224
## 16  emoreg.ed.lat =~ emoreg.ier.1 17.022  0.238   0.238    0.147    0.147
## 36   emoreg.ier.2 ~~ emoreg.ier.3 17.016 12.953  12.953   15.417   15.417
## 25    emoreg.ed.1 ~~ emoreg.ier.2  9.196 -0.196  -0.196   -0.171   -0.171
## 23    emoreg.ed.1 ~~  emoreg.ed.3  6.174  3.288   3.288    2.353    2.353
## 20 emoreg.ier.lat =~  emoreg.ed.2  6.173  0.130   0.130    0.074    0.074

Variance-Covariance-Matrix

inspect(fit.2, "sampstat")$cov      
##              emrg.d.1 emrg.d.2 emrg.d.3 emrg.r.1 emrg.r.2 emrg.r.3
## emoreg.ed.1     3.350                                             
## emoreg.ed.2     1.709    3.071                                    
## emoreg.ed.3     1.615    2.084    2.923                           
## emoreg.ier.1    0.578    0.389    0.241    2.608                  
## emoreg.ier.2   -0.105    0.187    0.010    1.208    2.761         
## emoreg.ier.3   -0.100    0.072   -0.071    1.106    1.935    2.861
fitted(fit.2)$cov                   
##              emrg.d.1 emrg.d.2 emrg.d.3 emrg.r.1 emrg.r.2 emrg.r.3
## emoreg.ed.1     3.350                                             
## emoreg.ed.2     1.712    3.071                                    
## emoreg.ed.3     1.610    2.085    2.923                           
## emoreg.ier.1    0.041    0.053    0.050    2.608                  
## emoreg.ier.2    0.071    0.092    0.087    1.211    2.761         
## emoreg.ier.3    0.065    0.084    0.079    1.108    1.934    2.861

Standardized residuals

cov_table <- resid(fit.2, type="standardized")$cov

cov_table[upper.tri(cov_table)] <- NA     
diag(cov_table) <- NA                     

kable(cov_table, digits=2)                
emoreg.ed.1 emoreg.ed.2 emoreg.ed.3 emoreg.ier.1 emoreg.ier.2 emoreg.ier.3
emoreg.ed.1
emoreg.ed.2 -1.49
emoreg.ed.3 2.27 -1.17
emoreg.ier.1 4.78 3.47 1.98
emoreg.ier.2 -1.89 1.74 -1.26 -1.60
emoreg.ier.3 -1.68 -0.16 -1.94 -0.39 3.71
2.5.1.3.1 Plot CFA - 2 factor solution

Load package

library(semPlot)
semPaths(fit.2, rotation = 2, nodeLabels=1:6)

Create the vector for the node labels

nodeLabels <- c("1", "2", "3", 
                "4", "5", "6",
                "emotional suppression", 
                "emotional integration"
                )

Create a character vector for the order of latent variables

latents <- c("emoreg.ed.lat", "emoreg.ier.lat")

Plot

semPaths(fit.2, 
         style = "lisrel",      
         whatLabels = "std.all", 
         nCharNodes = 0,         
         rotation = 2,          
         layout = "tree3",
         curvePivot = TRUE,      
         curvePivotShape = 2.1,  
         edge.label.cex = .5,    
         cardinal = TRUE,        
         sizeMan = 5,            
         sizeMan2 = 2,           
         sizeLat =10,            
         sizeLat2 = 10,          
         nodeLabels = nodeLabels,
         latents = latents       
)

2.5.1.4 Comparing CFAs

2.5.1.4.1 1 factor vs. 2 factor
lavTestLRT(fit.1, fit.2)
## 
## Scaled Chi-Squared Difference Test (method = "satorra.bentler.2001")
## 
## lavaan->lavTestLRT():  
##    lavaan NOTE: The "Chisq" column contains standard test statistics, not the 
##    robust test that should be reported per model. A robust difference test is 
##    a function of two standard (not robust) statistics.
## 
##       Df   AIC   BIC   Chisq Chisq diff   RMSEA Df diff Pr(>Chisq)    
## fit.2  8 15857 15917  54.012                                          
## fit.1  9 16494 16550 693.451     453.05 0.93107       1  < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> 2-factor solution fits better

2.6 Nature connectedness

data$natcon <- rowMeans (data [c("natcon.1", "natcon.2", "natcon.3", "natcon.4", "natcon.5",
                              "natcon.6")])

2.6.1 EFA

2.6.1.1 Correlations

between items to inspect for high item-inter-correlations

corr.test (data [,c("natcon.1", "natcon.2", "natcon.3", "natcon.4", "natcon.5",
                              "natcon.6")], 
           method = "spearman")
## Call:corr.test(x = data[, c("natcon.1", "natcon.2", "natcon.3", "natcon.4", 
##     "natcon.5", "natcon.6")], method = "spearman")
## Correlation matrix 
##          natcon.1 natcon.2 natcon.3 natcon.4 natcon.5 natcon.6
## natcon.1     1.00     0.54     0.71     0.65     0.70     0.55
## natcon.2     0.54     1.00     0.60     0.53     0.53     0.48
## natcon.3     0.71     0.60     1.00     0.81     0.83     0.63
## natcon.4     0.65     0.53     0.81     1.00     0.85     0.72
## natcon.5     0.70     0.53     0.83     0.85     1.00     0.70
## natcon.6     0.55     0.48     0.63     0.72     0.70     1.00
## Sample Size 
##          natcon.1 natcon.2 natcon.3 natcon.4 natcon.5 natcon.6
## natcon.1      770      765      766      766      767      769
## natcon.2      765      768      764      765      765      767
## natcon.3      766      764      769      765      766      768
## natcon.4      766      765      765      769      766      768
## natcon.5      767      765      766      766      770      769
## natcon.6      769      767      768      768      769      772
## Probability values (Entries above the diagonal are adjusted for multiple tests.) 
##          natcon.1 natcon.2 natcon.3 natcon.4 natcon.5 natcon.6
## natcon.1        0        0        0        0        0        0
## natcon.2        0        0        0        0        0        0
## natcon.3        0        0        0        0        0        0
## natcon.4        0        0        0        0        0        0
## natcon.5        0        0        0        0        0        0
## natcon.6        0        0        0        0        0        0
## 
##  To see confidence intervals of the correlations, print with the short=FALSE option

-> looks good

Subset with PEB-items

subset.natcon <- data[c("natcon.1", "natcon.2", "natcon.3", "natcon.4", "natcon.5",
                              "natcon.6")] 
                    
View(subset.natcon)

2.6.1.2 Kaiser-Maier-Olkin coefficient

KMO(subset.natcon)
## Kaiser-Meyer-Olkin factor adequacy
## Call: KMO(r = subset.natcon)
## Overall MSA =  0.9
## MSA for each item = 
## natcon.1 natcon.2 natcon.3 natcon.4 natcon.5 natcon.6 
##     0.94     0.93     0.88     0.88     0.87     0.92
options(max.print=1000000)

-> KMO=.90

2.6.1.3 Extracting factors and parallel analysis

Scree Plot

VSS.scree (subset.natcon)

Parallel analysis (Horn)

parallel.natcon <- fa.parallel (subset.natcon, fm="pa", fa = "fa")

## Parallel analysis suggests that the number of factors =  2  and the number of components =  NA

Eigenvalues of factors

parallel.natcon$fa.values
## [1]  3.98986929  0.15768094  0.02033085 -0.01748942 -0.06696270 -0.09387181

2.6.1.4 Factor analysis with fixed number of factors = 2

as suggested by parallel analysis

fa.pa.promax.natcon <- fa(subset.natcon, 2, fm = "pa", rotate = "Promax")  
print (fa.pa.promax.natcon, digits = 2, cut = .3, sort = TRUE)       
## Factor Analysis using method =  pa
## Call: fa(r = subset.natcon, nfactors = 2, rotate = "Promax", fm = "pa")
## Standardized loadings (pattern matrix) based upon correlation matrix
##          item  PA1  PA2   h2   u2 com
## natcon.4    4 0.88      0.88 0.12 1.0
## natcon.6    6 0.72      0.58 0.42 1.0
## natcon.5    5 0.70      0.85 0.15 1.3
## natcon.1    1      0.70 0.64 0.36 1.1
## natcon.2    2      0.63 0.46 0.54 1.0
## natcon.3    3 0.33 0.63 0.83 0.17 1.5
## 
##                        PA1  PA2
## SS loadings           2.40 1.84
## Proportion Var        0.40 0.31
## Cumulative Var        0.40 0.71
## Proportion Explained  0.57 0.43
## Cumulative Proportion 0.57 1.00
## 
##  With factor correlations of 
##      PA1  PA2
## PA1 1.00 0.79
## PA2 0.79 1.00
## 
## Mean item complexity =  1.1
## Test of the hypothesis that 2 factors are sufficient.
## 
## df null model =  15  with the objective function =  4.63 with Chi Square =  3563.5
## df of  the model are 4  and the objective function was  0.05 
## 
## The root mean square of the residuals (RMSR) is  0.01 
## The df corrected root mean square of the residuals is  0.03 
## 
## The harmonic n.obs is  767 with the empirical chi square  2.52  with prob <  0.64 
## The total n.obs was  773  with Likelihood Chi Square =  36.7  with prob <  2.1e-07 
## 
## Tucker Lewis Index of factoring reliability =  0.965
## RMSEA index =  0.103  and the 90 % confidence intervals are  0.074 0.135
## BIC =  10.1
## Fit based upon off diagonal values = 1
## Measures of factor score adequacy             
##                                                    PA1   PA2
## Correlation of (regression) scores with factors   0.74  0.70
## Multiple R square of scores with factors          0.55  0.49
## Minimum correlation of possible factor scores     0.10 -0.02

-> one cross-loading item

2.6.1.5 Visualizing results

fa.diagram(fa.pa.promax.natcon, simple=TRUE, cut=.4, digits=2)

fa.diagram(fa.pa.promax.natcon, simple=FALSE, cut=.4, digits=2)

2.6.1.6 Factor analysis with fixed number of factors = 1

as suggested by scree plot and Eigenvalues

fa.pa.promax.natcon <- fa(subset.natcon, 1, fm = "pa", rotate = "Promax")  
print (fa.pa.promax.natcon, digits = 2, cut = .3, sort = TRUE)       
## Factor Analysis using method =  pa
## Call: fa(r = subset.natcon, nfactors = 1, rotate = "Promax", fm = "pa")
## Standardized loadings (pattern matrix) based upon correlation matrix
##          V  PA1   h2   u2 com
## natcon.5 5 0.92 0.84 0.16   1
## natcon.4 4 0.90 0.81 0.19   1
## natcon.3 3 0.90 0.81 0.19   1
## natcon.1 1 0.76 0.57 0.43   1
## natcon.6 6 0.74 0.54 0.46   1
## natcon.2 2 0.64 0.41 0.59   1
## 
##                 PA1
## SS loadings    3.99
## Proportion Var 0.66
## 
## Mean item complexity =  1
## Test of the hypothesis that 1 factor is sufficient.
## 
## df null model =  15  with the objective function =  4.63 with Chi Square =  3563.5
## df of  the model are 9  and the objective function was  0.17 
## 
## The root mean square of the residuals (RMSR) is  0.04 
## The df corrected root mean square of the residuals is  0.05 
## 
## The harmonic n.obs is  767 with the empirical chi square  14.9  with prob <  0.094 
## The total n.obs was  773  with Likelihood Chi Square =  132.77  with prob <  3.2e-24 
## 
## Tucker Lewis Index of factoring reliability =  0.942
## RMSEA index =  0.133  and the 90 % confidence intervals are  0.114 0.154
## BIC =  72.91
## Fit based upon off diagonal values = 1
## Measures of factor score adequacy             
##                                                    PA1
## Correlation of (regression) scores with factors   0.97
## Multiple R square of scores with factors          0.94
## Minimum correlation of possible factor scores     0.89

2.6.1.7 Visualizing results

fa.diagram(fa.pa.promax.natcon, simple=TRUE, cut=.4, digits=2)

fa.diagram(fa.pa.promax.natcon, simple=FALSE, cut=.4, digits=2)

2.7 Socio-demographics

2.7.1 Gender

# Dummy-code gender (0 = male, 1 = non-male)
data$gender.d <- car::recode (data$gender, '3=1; 2=0')

2.7.2 Study program

original coding in accordance with national high school programs: Higher education preparatory programs: 1 - Ekonomi (Economics) 2 - Estetik (Aesthetics) 3 - Humanities 4 - Naturvetenskap (Natural Science) 5 - Samhällsvetenskap (Social Science) 6 - Teknik (Technology)

vocational programs: 7 – Barn och fritid (Children and Leisure) 8 – Bygg och anläggning (Construction and Civil Engineering) 9 – El och energi (Electrical and Energy) 10 – Fordon och transport (Vehicle and Transport) 11 – Försäljning och service (Sales and Service) 12 – Hantverk (Craft) 13 – Frisör och stylist (Hairdresser and Stylist) 14 – Hotell och turism (Hotel and Tourism) 15 – Industriteknik (Industrial Technology) 16 – Naturbruk (Agriculture and Nature Management) 17 – Restaurang och livsmedel (Restaurant and Food) 18 – VVS och fastighet (HVAC and Property Maintenance) 19 – Vård och omsorg (Health and Social Care)

New coding to describe participants: 1 - Higher education preparatory programs 2 - Occupational programs

data$pro.uni <- car::recode (data$pro, '1=1; 2=1; 3=1; 4=1; 5=1; 6=1; 
                             7=2; 8=2; 9=2; 10=2; 11=2; 12=2; 13=2; 14=2; 15=2; 16=2; 
                             17=2; 18=2; 19=2')

3 Descriptives and distributions

3.1 Overall scores

subset <- subset (data, select = c(anx,
                                   sad,
                                   ang,
                                   indif,
                                   emo,
                                   peb,
                                   peb.others,
                                   peb.own,
                                   futpeb,
                                   cas.ce,
                                   cas.f,
                                   emp.pt,
                                   emp.ec,
                                   emoreg.ier,
                                   emoreg.ed,
                                   natcon,
                                   age))

describe (subset)
##            vars   n  mean   sd median trimmed  mad min   max range  skew
## anx           1 770  2.38 1.26   2.00    2.26 1.48   1  6.00  5.00  0.58
## sad           2 773  2.76 1.37   3.00    2.67 1.48   1  6.00  5.00  0.42
## ang           3 771  2.80 1.38   3.00    2.70 1.48   1  6.00  5.00  0.44
## indif         4 773  2.91 1.34   3.00    2.83 1.48   1  6.00  5.00  0.40
## emo           5 768  2.65 1.18   2.67    2.58 1.48   1  6.00  5.00  0.38
## peb           6 740  2.67 0.78   2.62    2.66 0.80   1  4.85  3.85  0.04
## peb.others    7 761  1.84 0.84   1.60    1.72 0.89   1  5.00  4.00  1.03
## peb.own       8 749  3.29 0.90   3.43    3.35 0.85   1  5.00  4.00 -0.57
## futpeb        9 763  2.35 0.89   2.25    2.30 0.74   1  5.00  4.00  0.51
## cas.ce       10 751  1.26 0.46   1.00    1.14 0.00   1  3.38  2.38  2.36
## cas.f        11 761  1.21 0.47   1.00    1.08 0.00   1  4.00  3.00  2.71
## emp.pt       12 740  3.49 0.78   3.50    3.52 0.74   1  5.00  4.00 -0.36
## emp.ec       13 739  3.65 0.76   3.75    3.67 0.74   1  5.00  4.00 -0.41
## emoreg.ier   14 747  4.13 1.36   4.33    4.16 1.48   1  7.00  6.00 -0.19
## emoreg.ed    15 749  4.42 1.49   4.33    4.44 1.48   1  7.00  6.00 -0.16
## natcon       16 754  4.76 1.32   4.83    4.82 1.24   1  7.00  6.00 -0.36
## age          17 773 16.27 0.48  16.00   16.20 0.00  15 18.00  3.00  1.18
##            kurtosis   se
## anx           -0.53 0.05
## sad           -0.69 0.05
## ang           -0.57 0.05
## indif         -0.47 0.05
## emo           -0.62 0.04
## peb           -0.24 0.03
## peb.others     0.59 0.03
## peb.own       -0.08 0.03
## futpeb        -0.14 0.03
## cas.ce         5.49 0.02
## cas.f          7.40 0.02
## emp.pt         0.09 0.03
## emp.ec         0.19 0.03
## emoreg.ier    -0.44 0.05
## emoreg.ed     -0.68 0.05
## natcon        -0.32 0.05
## age            0.53 0.02

3.2 Climate emotions

subset.climemo.descr <- subset (data, select = c(anx, sad, ang, indif, emo))

describe (subset.climemo.descr)
##       vars   n mean   sd median trimmed  mad min max range skew kurtosis   se
## anx      1 770 2.38 1.26   2.00    2.26 1.48   1   6     5 0.58    -0.53 0.05
## sad      2 773 2.76 1.37   3.00    2.67 1.48   1   6     5 0.42    -0.69 0.05
## ang      3 771 2.80 1.38   3.00    2.70 1.48   1   6     5 0.44    -0.57 0.05
## indif    4 773 2.91 1.34   3.00    2.83 1.48   1   6     5 0.40    -0.47 0.05
## emo      5 768 2.65 1.18   2.67    2.58 1.48   1   6     5 0.38    -0.62 0.04

3.2.1 Distribution Climate anxiety

par(mfrow = c(1, 2))  

plotNormalHistogram(data$anx)

qqnorm(data$anx,                              
       ylab="Sample Quantiles for anx")
qqline(data$anx,
       col="red")

describe(data$anx)
##    vars   n mean   sd median trimmed  mad min max range skew kurtosis   se
## X1    1 770 2.38 1.26      2    2.38 1.48   1   6     5 0.58    -0.53 0.05
shapiro.test (data$anx)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$anx
## W = 0.87609, p-value < 2.2e-16
par(mfrow = c(1, 1)) 

3.2.2 Distribution Climate sadness

par(mfrow = c(1, 2))  

plotNormalHistogram(data$sad)

qqnorm(data$sad,                              
       ylab="Sample Quantiles for sad")
qqline(data$sad,
       col="red")

describe(data$sad)
##    vars   n mean   sd median trimmed  mad min max range skew kurtosis   se
## X1    1 773 2.76 1.37      3    2.76 1.48   1   6     5 0.42    -0.69 0.05
shapiro.test (data$sad)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$sad
## W = 0.91117, p-value < 2.2e-16
par(mfrow = c(1, 1)) 

3.2.3 Distribution Climate anger

par(mfrow = c(1, 2))  

plotNormalHistogram(data$ang)

qqnorm(data$ang,                              
       ylab="Sample Quantiles for ang")
qqline(data$ang,
       col="red")

describe(data$ang)
##    vars   n mean   sd median trimmed  mad min max range skew kurtosis   se
## X1    1 771  2.8 1.38      3     2.8 1.48   1   6     5 0.44    -0.57 0.05
shapiro.test (data$ang)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$ang
## W = 0.91338, p-value < 2.2e-16
par(mfrow = c(1, 1))  

3.2.4 Distribution Climate indifference

par(mfrow = c(1, 2))  

plotNormalHistogram(data$indif)

qqnorm(data$indif,                              
       ylab="Sample Quantiles for indif")
qqline(data$indif,
       col="red")

describe(data$indif)
##    vars   n mean   sd median trimmed  mad min max range skew kurtosis   se
## X1    1 773 2.91 1.34      3    2.91 1.48   1   6     5  0.4    -0.47 0.05
shapiro.test (data$indif)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$indif
## W = 0.92259, p-value < 2.2e-16
par(mfrow = c(1, 1))  

3.2.5 Distribution Climate emotions

par(mfrow = c(1, 2))  

plotNormalHistogram(data$emo)

qqnorm(data$emo,                              
       ylab="Sample Quantiles for emo")
qqline(data$emo,
       col="red")

describe(data$emo)
##    vars   n mean   sd median trimmed  mad min max range skew kurtosis   se
## X1    1 768 2.65 1.18   2.67    2.58 1.48   1   6     5 0.38    -0.62 0.04
shapiro.test (data$emo)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$emo
## W = 0.95503, p-value = 1.425e-14
par(mfrow = c(1, 1))  

3.3 PEB

subset.peb.descr <- subset (data, select = c(peb, peb.others, peb.own, futpeb))

describe (subset.peb.descr)
##            vars   n mean   sd median trimmed  mad min  max range  skew kurtosis
## peb           1 740 2.67 0.78   2.62    2.66 0.80   1 4.85  3.85  0.04    -0.24
## peb.others    2 761 1.84 0.84   1.60    1.72 0.89   1 5.00  4.00  1.03     0.59
## peb.own       3 749 3.29 0.90   3.43    3.35 0.85   1 5.00  4.00 -0.57    -0.08
## futpeb        4 763 2.35 0.89   2.25    2.30 0.74   1 5.00  4.00  0.51    -0.14
##              se
## peb        0.03
## peb.others 0.03
## peb.own    0.03
## futpeb     0.03

3.3.1 Distribution PEB

par(mfrow = c(1, 2))  

plotNormalHistogram(data$peb)

qqnorm(data$peb,                              
       ylab="Sample Quantiles for peb")
qqline(data$peb,
       col="red")

describe(data$peb)
##    vars   n mean   sd median trimmed mad min  max range skew kurtosis   se
## X1    1 740 2.67 0.78   2.62    2.66 0.8   1 4.85  3.85 0.04    -0.24 0.03
shapiro.test (data$peb)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$peb
## W = 0.99263, p-value = 0.001009
par(mfrow = c(1, 1))  

3.3.2 Distribution Influencing others’ PEB

par(mfrow = c(1, 2))  

plotNormalHistogram(data$peb.others)

qqnorm(data$peb.others,                              
       ylab="Sample Quantiles for peb.others")
qqline(data$peb.others,
       col="red")

describe(data$peb.others)
##    vars   n mean   sd median trimmed  mad min max range skew kurtosis   se
## X1    1 761 1.84 0.84    1.6    1.72 0.89   1   5     4 1.03     0.59 0.03
shapiro.test (data$peb.others)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$peb.others
## W = 0.87772, p-value < 2.2e-16
par(mfrow = c(1, 1)) 

3.3.3 Distribution Own PEB

par(mfrow = c(1, 2))  

plotNormalHistogram(data$peb.own)

qqnorm(data$peb.own,                              
       ylab="Sample Quantiles for peb.own")
qqline(data$peb.own,
       col="red")

describe(data$peb.own)
##    vars   n mean  sd median trimmed  mad min max range  skew kurtosis   se
## X1    1 749 3.29 0.9   3.43    3.35 0.85   1   5     4 -0.57    -0.08 0.03
shapiro.test (data$peb.own)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$peb.own
## W = 0.96743, p-value = 7.275e-12
par(mfrow = c(1, 1))  

3.3.4 Distribution Future PEB

par(mfrow = c(1, 2))  

plotNormalHistogram(data$futpeb)

qqnorm(data$futpeb,                              
       ylab="Sample Quantiles for futpeb")
qqline(data$futpeb,
       col="red")

describe(data$futpeb)
##    vars   n mean   sd median trimmed  mad min max range skew kurtosis   se
## X1    1 763 2.35 0.89   2.25     2.3 0.74   1   5     4 0.51    -0.14 0.03
shapiro.test (data$futpeb)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$futpeb
## W = 0.96363, p-value = 7.807e-13
par(mfrow = c(1, 1))  

3.5 Empathy

subset.emp.descr <- subset (data, select = c(emp.pt, emp.ec))

describe (subset.emp.descr)
##        vars   n mean   sd median trimmed  mad min max range  skew kurtosis   se
## emp.pt    1 740 3.49 0.78   3.50    3.52 0.74   1   5     4 -0.36     0.09 0.03
## emp.ec    2 739 3.65 0.76   3.75    3.67 0.74   1   5     4 -0.41     0.19 0.03

3.5.1 Distribution Perspective taking

par(mfrow = c(1, 2))  

plotNormalHistogram(data$emp.pt)

qqnorm(data$emp.pt,                              
       ylab="Sample Quantiles for emp.pt")
qqline(data$emp.pt,
       col="red")

describe(data$emp.pt)
##    vars   n mean   sd median trimmed  mad min max range  skew kurtosis   se
## X1    1 740 3.49 0.78    3.5    3.52 0.74   1   5     4 -0.36     0.09 0.03
shapiro.test (data$emp.pt)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$emp.pt
## W = 0.97923, p-value = 9.479e-09
par(mfrow = c(1, 1))  

3.5.2 Distribution Empathic concern

par(mfrow = c(1, 2))  

plotNormalHistogram(data$emp.ec)

qqnorm(data$emp.ec,                              
       ylab="Sample Quantiles for emp.ec")
qqline(data$emp.ec,
       col="red")

describe(data$emp.ec)
##    vars   n mean   sd median trimmed  mad min max range  skew kurtosis   se
## X1    1 739 3.65 0.76   3.75    3.67 0.74   1   5     4 -0.41     0.19 0.03
shapiro.test (data$emp.ec)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$emp.ec
## W = 0.97378, p-value = 3.051e-10
par(mfrow = c(1, 1))  

3.6 Emotion-focused coping

subset.emoreg.descr <- subset (data, select = c(emoreg.ier, emoreg.ed))

describe (subset.emoreg.descr)
##            vars   n mean   sd median trimmed  mad min max range  skew kurtosis
## emoreg.ier    1 747 4.13 1.36   4.33    4.16 1.48   1   7     6 -0.19    -0.44
## emoreg.ed     2 749 4.42 1.49   4.33    4.44 1.48   1   7     6 -0.16    -0.68
##              se
## emoreg.ier 0.05
## emoreg.ed  0.05

3.6.1 Distribution Emotional integration

par(mfrow = c(1, 2))  

plotNormalHistogram(data$emoreg.ier)

qqnorm(data$emoreg.ier,                              
       ylab="Sample Quantiles for emoreg.ier")
qqline(data$emoreg.ier,
       col="red")

describe(data$emoreg.ier)
##    vars   n mean   sd median trimmed  mad min max range  skew kurtosis   se
## X1    1 747 4.13 1.36   4.33    4.16 1.48   1   7     6 -0.19    -0.44 0.05
shapiro.test (data$emoreg.ier)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$emoreg.ier
## W = 0.98511, p-value = 6.793e-07
par(mfrow = c(1, 1))  

3.6.2 Distribution emotional suppression

par(mfrow = c(1, 2))  

plotNormalHistogram(data$emoreg.ed)

qqnorm(data$emoreg.ed,                              
       ylab="Sample Quantiles for emoreg.ed")
qqline(data$emoreg.ed,
       col="red")

describe(data$emoreg.ed)
##    vars   n mean   sd median trimmed  mad min max range  skew kurtosis   se
## X1    1 749 4.42 1.49   4.33    4.44 1.48   1   7     6 -0.16    -0.68 0.05
shapiro.test (data$emoreg.ed)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$emoreg.ed
## W = 0.97711, p-value = 1.938e-09
par(mfrow = c(1, 1))  

3.7 Nature connectedness

par(mfrow = c(1, 2))  

plotNormalHistogram(data$natcon)

qqnorm(data$natcon,                              
       ylab="Sample Quantiles for natcon")
qqline(data$natcon,
       col="red")

describe(data$natcon)
##    vars   n mean   sd median trimmed  mad min max range  skew kurtosis   se
## X1    1 754 4.76 1.32   4.83    4.82 1.24   1   7     6 -0.36    -0.32 0.05
shapiro.test (data$natcon)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$natcon
## W = 0.97859, p-value = 4.667e-09
par(mfrow = c(1, 1))  

3.8 Socio-demographics

describe (data$age)
##    vars   n  mean   sd median trimmed mad min max range skew kurtosis   se
## X1    1 773 16.27 0.48     16    16.2   0  15  18     3 1.18     0.53 0.02
table (data$gender)
## 
##   1   2   3 
## 428 333  11
prop.table (table (data$gender))
## 
##         1         2         3 
## 0.5544041 0.4313472 0.0142487
table (data$gender.d)
## 
##   0   1 
## 333 439
prop.table (table (data$gender.d))
## 
##         0         1 
## 0.4313472 0.5686528
table (data$pro)
## 
##   1   2   3   4   5   6   7   8   9  10  12  13  14  15  17  18  19 
##  69  66  11 141 239 101  11  14  14  17   8   6  16  17  22   6  10
prop.table (table (data$pro))
## 
##          1          2          3          4          5          6          7 
## 0.08984375 0.08593750 0.01432292 0.18359375 0.31119792 0.13151042 0.01432292 
##          8          9         10         12         13         14         15 
## 0.01822917 0.01822917 0.02213542 0.01041667 0.00781250 0.02083333 0.02213542 
##         17         18         19 
## 0.02864583 0.00781250 0.01302083

3.8.1 Distribution Age

par(mfrow = c(1, 2))  # Split the plotting panel into a 1 x 2 grid

plotNormalHistogram(data$age)

qqnorm(data$age,                              
       ylab="Sample Quantiles for age")
qqline(data$age,
       col="red")

describe(data$age)
##    vars   n  mean   sd median trimmed mad min max range skew kurtosis   se
## X1    1 773 16.27 0.48     16    16.2   0  15  18     3 1.18     0.53 0.02
shapiro.test (data$age)
## 
##  Shapiro-Wilk normality test
## 
## data:  data$age
## W = 0.59786, p-value < 2.2e-16
par(mfrow = c(1, 1))  # Return plotting panel to 1 section

4 Reliability

library(MBESS)
## 
## Attaching package: 'MBESS'
## The following object is masked from 'package:lavaan':
## 
##     cor2cov
## The following object is masked from 'package:psych':
## 
##     cor2cov

4.1 Climate emotions

psych::alpha (data[c("anx", "sad", "ang")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("anx", "sad", "ang")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N    ase mean  sd median_r
##       0.86      0.86     0.8      0.67   6 0.0089  2.6 1.2     0.67
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.84  0.86  0.87
## Duhachek  0.84  0.86  0.87
## 
##  Reliability if an item is dropped:
##     raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## anx      0.81      0.81    0.68      0.68 4.3    0.014    NA  0.68
## sad      0.78      0.78    0.64      0.64 3.6    0.016    NA  0.64
## ang      0.80      0.81    0.67      0.67 4.1    0.014    NA  0.67
## 
##  Item statistics 
##       n raw.r std.r r.cor r.drop mean  sd
## anx 770  0.87  0.88  0.77   0.72  2.4 1.3
## sad 773  0.89  0.89  0.81   0.75  2.8 1.4
## ang 771  0.88  0.88  0.78   0.73  2.8 1.4
## 
## Non missing response frequency for each item
##        1    2    3    4    5    6 miss
## anx 0.33 0.24 0.23 0.15 0.05 0.01    0
## sad 0.21 0.27 0.22 0.19 0.09 0.03    0
## ang 0.21 0.24 0.26 0.17 0.08 0.04    0
ci.reliability((data[c("anx", "sad", "ang")]),type='omega') 
## $est
## [1] 0.8581211
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.2 PEB

4.2.1 PEB

psych::alpha (data[c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5",
              "peb.6", "peb.7", "peb.8", "peb.9", "peb.10",
              "peb.11", "peb.12", "peb.13")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5", 
##     "peb.6", "peb.7", "peb.8", "peb.9", "peb.10", "peb.11", "peb.12", 
##     "peb.13")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N    ase mean   sd median_r
##       0.89      0.89     0.9      0.38   8 0.0061  2.7 0.78     0.37
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.87  0.89   0.9
## Duhachek  0.87  0.89   0.9
## 
##  Reliability if an item is dropped:
##        raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## peb.1       0.87      0.88    0.89      0.37 7.2   0.0067 0.015  0.37
## peb.2       0.88      0.88    0.90      0.38 7.4   0.0066 0.020  0.36
## peb.3       0.88      0.89    0.90      0.40 7.9   0.0062 0.017  0.39
## peb.4       0.88      0.88    0.90      0.38 7.4   0.0066 0.019  0.36
## peb.5       0.88      0.88    0.90      0.39 7.6   0.0064 0.019  0.38
## peb.6       0.88      0.89    0.90      0.40 8.0   0.0061 0.017  0.40
## peb.7       0.87      0.87    0.89      0.36 6.9   0.0069 0.013  0.36
## peb.8       0.87      0.88    0.89      0.37 7.1   0.0066 0.014  0.37
## peb.9       0.88      0.89    0.90      0.39 7.8   0.0063 0.017  0.39
## peb.10      0.88      0.88    0.89      0.38 7.3   0.0066 0.014  0.37
## peb.11      0.87      0.88    0.89      0.37 7.1   0.0068 0.017  0.36
## peb.12      0.88      0.88    0.90      0.38 7.4   0.0065 0.019  0.36
## peb.13      0.88      0.88    0.90      0.39 7.6   0.0065 0.019  0.38
## 
##  Item statistics 
##          n raw.r std.r r.cor r.drop mean   sd
## peb.1  771  0.71  0.72  0.71   0.64  2.0 1.12
## peb.2  770  0.66  0.65  0.61   0.58  2.7 1.35
## peb.3  772  0.56  0.55  0.50   0.47  4.0 1.21
## peb.4  770  0.68  0.66  0.62   0.60  3.0 1.26
## peb.5  768  0.63  0.61  0.56   0.54  3.5 1.37
## peb.6  771  0.54  0.52  0.47   0.44  3.6 1.31
## peb.7  770  0.77  0.79  0.80   0.72  2.1 1.13
## peb.8  769  0.71  0.74  0.74   0.66  1.7 0.96
## peb.9  772  0.53  0.57  0.52   0.47  1.6 0.91
## peb.10 766  0.67  0.70  0.68   0.60  1.8 0.99
## peb.11 772  0.74  0.75  0.73   0.68  2.4 1.20
## peb.12 763  0.67  0.65  0.61   0.58  2.6 1.43
## peb.13 770  0.64  0.62  0.58   0.55  3.5 1.25
## 
## Non missing response frequency for each item
##           1    2    3    4    5 miss
## peb.1  0.45 0.25 0.20 0.07 0.04 0.00
## peb.2  0.26 0.19 0.25 0.18 0.13 0.00
## peb.3  0.06 0.09 0.13 0.28 0.44 0.00
## peb.4  0.16 0.19 0.28 0.24 0.13 0.00
## peb.5  0.14 0.10 0.18 0.28 0.30 0.01
## peb.6  0.10 0.12 0.20 0.26 0.32 0.00
## peb.7  0.38 0.28 0.20 0.09 0.04 0.00
## peb.8  0.53 0.28 0.13 0.04 0.02 0.01
## peb.9  0.65 0.22 0.09 0.03 0.02 0.00
## peb.10 0.53 0.25 0.15 0.05 0.02 0.01
## peb.11 0.32 0.23 0.27 0.13 0.05 0.00
## peb.12 0.30 0.22 0.19 0.13 0.16 0.01
## peb.13 0.10 0.11 0.22 0.31 0.26 0.00
ci.reliability((data[c("peb.1", "peb.2", "peb.3", "peb.4", "peb.5",
              "peb.6", "peb.7", "peb.8", "peb.9", "peb.10",
              "peb.11", "peb.12", "peb.13")]),type='omega') 
## $est
## [1] 0.8764384
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.2.2 Influencing others’ PEB

psych::alpha (data[c("peb.1",
              "peb.7", "peb.8", "peb.9", "peb.10")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("peb.1", "peb.7", "peb.8", "peb.9", "peb.10")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N    ase mean   sd median_r
##       0.88      0.88    0.87      0.59 7.1 0.0069  1.8 0.84     0.55
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.86  0.88  0.89
## Duhachek  0.86  0.88  0.89
## 
##  Reliability if an item is dropped:
##        raw_alpha std.alpha G6(smc) average_r S/N alpha se  var.r med.r
## peb.1       0.86      0.86    0.83      0.61 6.2   0.0081 0.0120  0.60
## peb.7       0.82      0.83    0.80      0.54 4.8   0.0105 0.0134  0.54
## peb.8       0.83      0.83    0.82      0.55 5.0   0.0095 0.0181  0.53
## peb.9       0.88      0.89    0.87      0.66 7.8   0.0068 0.0084  0.69
## peb.10      0.84      0.84    0.83      0.57 5.4   0.0089 0.0206  0.55
## 
##  Item statistics 
##          n raw.r std.r r.cor r.drop mean   sd
## peb.1  771  0.81  0.79  0.73   0.67  2.0 1.12
## peb.7  770  0.90  0.88  0.87   0.82  2.1 1.13
## peb.8  769  0.86  0.87  0.84   0.78  1.7 0.96
## peb.9  772  0.69  0.71  0.59   0.55  1.6 0.91
## peb.10 766  0.84  0.84  0.79   0.74  1.8 0.99
## 
## Non missing response frequency for each item
##           1    2    3    4    5 miss
## peb.1  0.45 0.25 0.20 0.07 0.04 0.00
## peb.7  0.38 0.28 0.20 0.09 0.04 0.00
## peb.8  0.53 0.28 0.13 0.04 0.02 0.01
## peb.9  0.65 0.22 0.09 0.03 0.02 0.00
## peb.10 0.53 0.25 0.15 0.05 0.02 0.01
ci.reliability((data[c("peb.1",
              "peb.7", "peb.8", "peb.9", "peb.10")]),type='omega')
## $est
## [1] 0.8860026
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.2.3 Own PEB

psych::alpha (data[c("peb.2", "peb.3", "peb.4", "peb.5",
              "peb.6", 
              "peb.12", "peb.13")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("peb.2", "peb.3", "peb.4", "peb.5", "peb.6", 
##     "peb.12", "peb.13")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N  ase mean  sd median_r
##       0.81      0.81     0.8      0.38 4.3 0.01  3.3 0.9      0.4
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.79  0.81  0.83
## Duhachek  0.79  0.81  0.83
## 
##  Reliability if an item is dropped:
##        raw_alpha std.alpha G6(smc) average_r S/N alpha se  var.r med.r
## peb.2       0.79      0.79    0.77      0.38 3.7    0.012 0.0052  0.40
## peb.3       0.79      0.79    0.76      0.38 3.7    0.012 0.0043  0.40
## peb.4       0.77      0.77    0.75      0.36 3.4    0.013 0.0051  0.37
## peb.5       0.78      0.79    0.77      0.38 3.7    0.012 0.0064  0.41
## peb.6       0.80      0.80    0.77      0.40 3.9    0.011 0.0036  0.41
## peb.12      0.79      0.79    0.77      0.39 3.9    0.012 0.0040  0.38
## peb.13      0.78      0.78    0.76      0.38 3.6    0.012 0.0055  0.40
## 
##  Item statistics 
##          n raw.r std.r r.cor r.drop mean  sd
## peb.2  770  0.68  0.68  0.60   0.54  2.7 1.4
## peb.3  772  0.67  0.68  0.61   0.54  4.0 1.2
## peb.4  770  0.74  0.74  0.69   0.62  3.0 1.3
## peb.5  768  0.70  0.69  0.62   0.56  3.5 1.4
## peb.6  771  0.64  0.64  0.56   0.49  3.6 1.3
## peb.12 763  0.67  0.66  0.57   0.51  2.6 1.4
## peb.13 770  0.70  0.71  0.64   0.57  3.5 1.2
## 
## Non missing response frequency for each item
##           1    2    3    4    5 miss
## peb.2  0.26 0.19 0.25 0.18 0.13 0.00
## peb.3  0.06 0.09 0.13 0.28 0.44 0.00
## peb.4  0.16 0.19 0.28 0.24 0.13 0.00
## peb.5  0.14 0.10 0.18 0.28 0.30 0.01
## peb.6  0.10 0.12 0.20 0.26 0.32 0.00
## peb.12 0.30 0.22 0.19 0.13 0.16 0.01
## peb.13 0.10 0.11 0.22 0.31 0.26 0.00
ci.reliability((data[c("peb.2", "peb.3", "peb.4", "peb.5",
              "peb.6", 
              "peb.12", "peb.13")]),type='omega')
## $est
## [1] 0.8113091
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.2.4 Future PEB

psych::alpha (data[c("futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N    ase mean   sd median_r
##       0.85      0.85    0.82      0.59 5.8 0.0091  2.4 0.88     0.59
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.83  0.85  0.87
## Duhachek  0.83  0.85  0.87
## 
##  Reliability if an item is dropped:
##          raw_alpha std.alpha G6(smc) average_r S/N alpha se  var.r med.r
## futpeb.1      0.87      0.87    0.81      0.68 6.4   0.0083 0.0015  0.68
## futpeb.2      0.80      0.80    0.75      0.58 4.1   0.0130 0.0173  0.54
## futpeb.3      0.77      0.78    0.71      0.54 3.5   0.0145 0.0089  0.50
## futpeb.4      0.80      0.80    0.74      0.57 4.0   0.0129 0.0090  0.54
## 
##  Item statistics 
##            n raw.r std.r r.cor r.drop mean  sd
## futpeb.1 770  0.77  0.75  0.61   0.57  3.1 1.2
## futpeb.2 767  0.84  0.85  0.78   0.71  2.2 1.0
## futpeb.3 770  0.88  0.88  0.85   0.77  2.1 1.1
## futpeb.4 769  0.84  0.85  0.80   0.72  2.0 1.0
## 
## Non missing response frequency for each item
##             1    2    3    4    5 miss
## futpeb.1 0.11 0.18 0.39 0.18 0.15 0.00
## futpeb.2 0.29 0.36 0.24 0.07 0.03 0.01
## futpeb.3 0.32 0.36 0.20 0.09 0.03 0.00
## futpeb.4 0.37 0.35 0.19 0.08 0.02 0.01
ci.reliability((data[c("futpeb.1", "futpeb.2", "futpeb.3", "futpeb.4")]),type='omega')
## Warning: lavaan->lav_data_full():  
##    some cases are empty and will be ignored: 56.
## $est
## [1] 0.8500385
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.4 Empathy

4.4.1 Perspective taking

psych::alpha (data[c("emp.pt.1", "emp.pt.2", "emp.pt.3", "emp.pt.4")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("emp.pt.1", "emp.pt.2", "emp.pt.3", "emp.pt.4")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N   ase mean   sd median_r
##       0.74      0.74     0.7      0.42 2.9 0.015  3.5 0.78     0.38
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.71  0.74  0.77
## Duhachek  0.72  0.74  0.77
## 
##  Reliability if an item is dropped:
##          raw_alpha std.alpha G6(smc) average_r S/N alpha se   var.r med.r
## emp.pt.1      0.71      0.71    0.64      0.45 2.4    0.017 2.5e-02  0.37
## emp.pt.2      0.73      0.73    0.66      0.47 2.7    0.016 1.8e-02  0.40
## emp.pt.3      0.64      0.64    0.54      0.37 1.8    0.022 8.7e-04  0.38
## emp.pt.4      0.64      0.65    0.55      0.38 1.8    0.022 6.6e-05  0.38
## 
##  Item statistics 
##            n raw.r std.r r.cor r.drop mean   sd
## emp.pt.1 750  0.69  0.72  0.56   0.49  3.9 0.93
## emp.pt.2 747  0.67  0.70  0.52   0.45  3.8 0.91
## emp.pt.3 750  0.82  0.79  0.72   0.62  3.0 1.17
## emp.pt.4 751  0.81  0.79  0.71   0.61  3.3 1.11
## 
## Non missing response frequency for each item
##             1    2    3    4    5 miss
## emp.pt.1 0.02 0.07 0.18 0.49 0.25 0.03
## emp.pt.2 0.02 0.06 0.21 0.50 0.20 0.03
## emp.pt.3 0.13 0.21 0.30 0.27 0.09 0.03
## emp.pt.4 0.07 0.17 0.28 0.35 0.13 0.03
ci.reliability((data[c("emp.pt.1", "emp.pt.2", "emp.pt.3", "emp.pt.4")]),type='omega') 
## Warning: lavaan->lav_data_full():  
##    some cases are empty and will be ignored: 12 27 38 39 59 60 64 106 129 170 
##    171 227 355 393 408 438 549 560 612 728.
## $est
## [1] 0.7648369
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.4.2 Empathic concern

psych::alpha (data[c("emp.ec.1", "emp.ec.2.i", "emp.ec.3.i", "emp.ec.4.i")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("emp.ec.1", "emp.ec.2.i", "emp.ec.3.i", 
##     "emp.ec.4.i")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N   ase mean   sd median_r
##       0.68      0.69    0.63      0.35 2.2 0.019  3.6 0.76     0.36
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.64  0.68  0.72
## Duhachek  0.64  0.68  0.72
## 
##  Reliability if an item is dropped:
##            raw_alpha std.alpha G6(smc) average_r S/N alpha se  var.r med.r
## emp.ec.1        0.68      0.68    0.60      0.42 2.2    0.020 0.0046  0.39
## emp.ec.2.i      0.65      0.65    0.57      0.39 1.9    0.022 0.0092  0.35
## emp.ec.3.i      0.56      0.57    0.48      0.31 1.3    0.028 0.0092  0.35
## emp.ec.4.i      0.56      0.56    0.47      0.30 1.3    0.028 0.0093  0.32
## 
##  Item statistics 
##              n raw.r std.r r.cor r.drop mean   sd
## emp.ec.1   748  0.66  0.65  0.44   0.36  3.4 1.10
## emp.ec.2.i 751  0.69  0.68  0.50   0.41  3.7 1.12
## emp.ec.3.i 749  0.76  0.77  0.66   0.54  3.6 1.05
## emp.ec.4.i 749  0.76  0.77  0.67   0.55  3.9 0.98
## 
## Non missing response frequency for each item
##               1    2    3    4    5 miss
## emp.ec.1   0.08 0.10 0.32 0.34 0.16 0.03
## emp.ec.2.i 0.04 0.15 0.16 0.41 0.25 0.03
## emp.ec.3.i 0.04 0.13 0.26 0.39 0.19 0.03
## emp.ec.4.i 0.02 0.07 0.18 0.41 0.31 0.03
ci.reliability((data[c("emp.ec.1", "emp.ec.2.i", "emp.ec.3.i", "emp.ec.4.i")]),type='omega') 
## Warning: lavaan->lav_data_full():  
##    some cases are empty and will be ignored: 12 27 38 39 59 60 64 106 129 170 
##    171 227 355 393 408 438 549 560 612 728.
## $est
## [1] 0.6882664
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.5 Emotion-focused coping

4.5.1 Emotional integration

psych::alpha (data[c("emoreg.ier.1", "emoreg.ier.2", "emoreg.ier.3")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("emoreg.ier.1", "emoreg.ier.2", "emoreg.ier.3")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N   ase mean  sd median_r
##       0.76      0.76    0.71      0.52 3.2 0.015  4.1 1.4     0.45
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.73  0.76  0.79
## Duhachek  0.74  0.76  0.79
## 
##  Reliability if an item is dropped:
##              raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## emoreg.ier.1      0.82      0.82    0.69      0.69 4.5    0.013    NA  0.69
## emoreg.ier.2      0.58      0.58    0.41      0.41 1.4    0.030    NA  0.41
## emoreg.ier.3      0.62      0.62    0.45      0.45 1.7    0.027    NA  0.45
## 
##  Item statistics 
##                n raw.r std.r r.cor r.drop mean  sd
## emoreg.ier.1 753  0.75  0.75  0.52   0.47  3.6 1.6
## emoreg.ier.2 758  0.87  0.87  0.80   0.69  4.3 1.7
## emoreg.ier.3 758  0.86  0.85  0.76   0.65  4.5 1.7
## 
## Non missing response frequency for each item
##                 1    2    3    4    5    6    7 miss
## emoreg.ier.1 0.11 0.16 0.17 0.26 0.16 0.10 0.04 0.03
## emoreg.ier.2 0.06 0.10 0.17 0.23 0.20 0.15 0.10 0.02
## emoreg.ier.3 0.07 0.07 0.14 0.20 0.22 0.19 0.12 0.02
ci.reliability((data[c("emoreg.ier.1", "emoreg.ier.2", "emoreg.ier.3")]),type='omega') 
## Warning: lavaan->lav_data_full():  
##    some cases are empty and will be ignored: 22 39 64 106 107 171 390 408 577 
##    590 668 745.
## $est
## [1] 0.7852283
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.5.2 Emotional suppression

psych::alpha (data[c("emoreg.ed.1", "emoreg.ed.2", "emoreg.ed.3")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("emoreg.ed.1", "emoreg.ed.2", "emoreg.ed.3")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N   ase mean  sd median_r
##       0.81      0.81    0.75      0.58 4.2 0.012  4.4 1.5     0.53
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.78  0.81  0.83
## Duhachek  0.78  0.81  0.83
## 
##  Reliability if an item is dropped:
##             raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## emoreg.ed.1      0.82      0.82    0.70      0.70 4.7    0.013    NA  0.70
## emoreg.ed.2      0.68      0.68    0.52      0.52 2.1    0.023    NA  0.52
## emoreg.ed.3      0.70      0.70    0.53      0.53 2.3    0.022    NA  0.53
## 
##  Item statistics 
##               n raw.r std.r r.cor r.drop mean  sd
## emoreg.ed.1 752  0.81  0.80  0.62   0.57  4.2 1.8
## emoreg.ed.2 759  0.87  0.88  0.80   0.71  4.6 1.7
## emoreg.ed.3 760  0.86  0.87  0.79   0.69  4.5 1.7
## 
## Non missing response frequency for each item
##                1    2    3    4    5    6    7 miss
## emoreg.ed.1 0.08 0.15 0.15 0.17 0.18 0.16 0.12 0.03
## emoreg.ed.2 0.05 0.11 0.11 0.16 0.20 0.22 0.14 0.02
## emoreg.ed.3 0.04 0.11 0.13 0.19 0.20 0.20 0.14 0.02
ci.reliability((data[c("emoreg.ed.1", "emoreg.ed.2", "emoreg.ed.3")]),type='omega') 
## Warning: lavaan->lav_data_full():  
##    some cases are empty and will be ignored: 22 39 64 106 107 171 390 408 577 
##    590 668 745.
## $est
## [1] 0.8101828
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

4.6 Nature connectedness

psych::alpha (data[c("natcon.1", "natcon.2", "natcon.3", "natcon.4", "natcon.5",
              "natcon.6")])
## 
## Reliability analysis   
## Call: psych::alpha(x = data[c("natcon.1", "natcon.2", "natcon.3", "natcon.4", 
##     "natcon.5", "natcon.6")])
## 
##   raw_alpha std.alpha G6(smc) average_r S/N    ase mean  sd median_r
##       0.92      0.92    0.92      0.65  11 0.0045  4.7 1.3     0.64
## 
##     95% confidence boundaries 
##          lower alpha upper
## Feldt     0.91  0.92  0.93
## Duhachek  0.91  0.92  0.93
## 
##  Reliability if an item is dropped:
##          raw_alpha std.alpha G6(smc) average_r  S/N alpha se  var.r med.r
## natcon.1      0.91      0.91    0.91      0.67 10.0   0.0050 0.0176  0.66
## natcon.2      0.92      0.92    0.92      0.71 12.1   0.0045 0.0098  0.70
## natcon.3      0.89      0.89    0.88      0.62  8.2   0.0059 0.0136  0.59
## natcon.4      0.89      0.89    0.88      0.62  8.3   0.0062 0.0117  0.61
## natcon.5      0.89      0.89    0.88      0.62  8.1   0.0062 0.0104  0.61
## natcon.6      0.91      0.91    0.91      0.68 10.4   0.0048 0.0140  0.66
## 
##  Item statistics 
##            n raw.r std.r r.cor r.drop mean  sd
## natcon.1 770  0.81  0.81  0.76   0.72  5.1 1.5
## natcon.2 768  0.71  0.73  0.64   0.61  5.3 1.3
## natcon.3 769  0.90  0.90  0.89   0.85  5.2 1.5
## natcon.4 769  0.91  0.90  0.89   0.86  4.5 1.7
## natcon.5 770  0.91  0.91  0.91   0.87  4.9 1.6
## natcon.6 772  0.81  0.80  0.74   0.71  3.5 1.8
## 
## Non missing response frequency for each item
##             1    2    3    4    5    6    7 miss
## natcon.1 0.02 0.05 0.08 0.12 0.25 0.27 0.20 0.00
## natcon.2 0.01 0.02 0.05 0.12 0.29 0.35 0.15 0.01
## natcon.3 0.02 0.04 0.06 0.15 0.26 0.26 0.20 0.01
## natcon.4 0.06 0.09 0.13 0.21 0.21 0.17 0.13 0.01
## natcon.5 0.04 0.07 0.06 0.19 0.25 0.22 0.17 0.00
## natcon.6 0.18 0.17 0.13 0.22 0.15 0.08 0.08 0.00
ci.reliability((data[c("natcon.1", "natcon.2", "natcon.3", "natcon.4", "natcon.5",
              "natcon.6")]),type='omega') 
## $est
## [1] 0.9237241
## 
## $se
## [1] NA
## 
## $ci.lower
## [1] NA
## 
## $ci.upper
## [1] NA
## 
## $conf.level
## [1] 0.95
## 
## $type
## [1] "omega"
## 
## $interval.type
## [1] "none"

5 Correlations

corr.test (data [,c("anx", "sad", "ang", "indif", "emo",
                    "peb", "peb.others", "peb.own", "futpeb",
                    "cas", "cas.ce", "cas.f",
                    "emp.pt", "emp.ec",
                    "emoreg.ier", "emoreg.ed",
                    "natcon",
                    "age", "gender.d")], 
           method = "spearman")
## Call:corr.test(x = data[, c("anx", "sad", "ang", "indif", "emo", "peb", 
##     "peb.others", "peb.own", "futpeb", "cas", "cas.ce", "cas.f", 
##     "emp.pt", "emp.ec", "emoreg.ier", "emoreg.ed", "natcon", 
##     "age", "gender.d")], method = "spearman")
## Correlation matrix 
##              anx   sad   ang indif   emo   peb peb.others peb.own futpeb   cas
## anx         1.00  0.68  0.64 -0.28  0.86  0.50       0.51    0.39   0.51  0.46
## sad         0.68  1.00  0.70 -0.33  0.90  0.51       0.52    0.40   0.51  0.40
## ang         0.64  0.70  1.00 -0.33  0.89  0.55       0.55    0.44   0.55  0.36
## indif      -0.28 -0.33 -0.33  1.00 -0.36 -0.37      -0.38   -0.29  -0.35 -0.23
## emo         0.86  0.90  0.89 -0.36  1.00  0.59       0.59    0.46   0.59  0.45
## peb         0.50  0.51  0.55 -0.37  0.59  1.00       0.84    0.90   0.64  0.41
## peb.others  0.51  0.52  0.55 -0.38  0.59  0.84       1.00    0.56   0.64  0.48
## peb.own     0.39  0.40  0.44 -0.29  0.46  0.90       0.56    1.00   0.51  0.27
## futpeb      0.51  0.51  0.55 -0.35  0.59  0.64       0.64    0.51   1.00  0.44
## cas         0.46  0.40  0.36 -0.23  0.45  0.41       0.48    0.27   0.44  1.00
## cas.ce      0.45  0.40  0.35 -0.23  0.44  0.38       0.46    0.24   0.42  0.96
## cas.f       0.33  0.27  0.28 -0.20  0.33  0.33       0.40    0.20   0.33  0.77
## emp.pt      0.24  0.29  0.27 -0.14  0.31  0.37       0.34    0.34   0.30  0.16
## emp.ec      0.28  0.34  0.31 -0.25  0.35  0.36       0.31    0.33   0.27  0.16
## emoreg.ier  0.15  0.21  0.24 -0.12  0.23  0.31       0.29    0.27   0.24  0.16
## emoreg.ed  -0.03 -0.08 -0.05  0.08 -0.06 -0.01      -0.05    0.01  -0.06 -0.06
## natcon      0.32  0.37  0.42 -0.25  0.42  0.50       0.44    0.43   0.40  0.26
## age         0.03  0.03  0.06 -0.05  0.04  0.09       0.11    0.06   0.04  0.00
## gender.d    0.32  0.33  0.28 -0.09  0.35  0.27       0.30    0.21   0.27  0.19
##            cas.ce cas.f emp.pt emp.ec emoreg.ier emoreg.ed natcon   age
## anx          0.45  0.33   0.24   0.28       0.15     -0.03   0.32  0.03
## sad          0.40  0.27   0.29   0.34       0.21     -0.08   0.37  0.03
## ang          0.35  0.28   0.27   0.31       0.24     -0.05   0.42  0.06
## indif       -0.23 -0.20  -0.14  -0.25      -0.12      0.08  -0.25 -0.05
## emo          0.44  0.33   0.31   0.35       0.23     -0.06   0.42  0.04
## peb          0.38  0.33   0.37   0.36       0.31     -0.01   0.50  0.09
## peb.others   0.46  0.40   0.34   0.31       0.29     -0.05   0.44  0.11
## peb.own      0.24  0.20   0.34   0.33       0.27      0.01   0.43  0.06
## futpeb       0.42  0.33   0.30   0.27       0.24     -0.06   0.40  0.04
## cas          0.96  0.77   0.16   0.16       0.16     -0.06   0.26  0.00
## cas.ce       1.00  0.66   0.15   0.17       0.15     -0.05   0.24  0.01
## cas.f        0.66  1.00   0.08   0.09       0.10     -0.07   0.20  0.03
## emp.pt       0.15  0.08   1.00   0.35       0.42     -0.02   0.28  0.01
## emp.ec       0.17  0.09   0.35   1.00       0.19     -0.13   0.20  0.04
## emoreg.ier   0.15  0.10   0.42   0.19       1.00      0.07   0.32  0.03
## emoreg.ed   -0.05 -0.07  -0.02  -0.13       0.07      1.00   0.06 -0.02
## natcon       0.24  0.20   0.28   0.20       0.32      0.06   1.00  0.10
## age          0.01  0.03   0.01   0.04       0.03     -0.02   0.10  1.00
## gender.d     0.18  0.13   0.25   0.35      -0.03     -0.14   0.04  0.02
##            gender.d
## anx            0.32
## sad            0.33
## ang            0.28
## indif         -0.09
## emo            0.35
## peb            0.27
## peb.others     0.30
## peb.own        0.21
## futpeb         0.27
## cas            0.19
## cas.ce         0.18
## cas.f          0.13
## emp.pt         0.25
## emp.ec         0.35
## emoreg.ier    -0.03
## emoreg.ed     -0.14
## natcon         0.04
## age            0.02
## gender.d       1.00
## Sample Size 
##            anx sad ang indif emo peb peb.others peb.own futpeb cas cas.ce cas.f
## anx        770 770 768   770 768 737        758     746    760 739    749   758
## sad        770 773 771   773 768 740        761     749    763 741    751   761
## ang        768 771 771   771 768 738        759     747    761 740    750   759
## indif      770 773 771   773 768 740        761     749    763 741    751   761
## emo        768 768 768   768 768 735        756     744    758 738    748   756
## peb        737 740 738   740 735 740        740     740    731 711    720   730
## peb.others 758 761 759   761 756 740        761     741    751 731    740   751
## peb.own    746 749 747   749 744 740        741     749    740 719    729   738
## futpeb     760 763 761   763 758 731        751     740    763 731    741   751
## cas        739 741 740   741 738 711        731     719    731 741    741   741
## cas.ce     749 751 750   751 748 720        740     729    741 741    751   741
## cas.f      758 761 759   761 756 730        751     738    751 741    741   761
## emp.pt     737 740 738   740 735 711        730     719    732 711    719   731
## emp.ec     736 739 737   739 734 709        728     718    731 708    718   728
## emoreg.ier 744 747 745   747 742 717        737     725    738 716    726   736
## emoreg.ed  746 749 747   749 744 718        738     727    740 720    729   739
## natcon     751 754 752   754 749 722        742     731    744 722    732   742
## age        770 773 771   773 768 740        761     749    763 741    751   761
## gender.d   769 772 770   772 767 739        760     748    762 740    750   760
##            emp.pt emp.ec emoreg.ier emoreg.ed natcon age gender.d
## anx           737    736        744       746    751 770      769
## sad           740    739        747       749    754 773      772
## ang           738    737        745       747    752 771      770
## indif         740    739        747       749    754 773      772
## emo           735    734        742       744    749 768      767
## peb           711    709        717       718    722 740      739
## peb.others    730    728        737       738    742 761      760
## peb.own       719    718        725       727    731 749      748
## futpeb        732    731        738       740    744 763      762
## cas           711    708        716       720    722 741      740
## cas.ce        719    718        726       729    732 751      750
## cas.f         731    728        736       739    742 761      760
## emp.pt        740    728        721       723    724 740      739
## emp.ec        728    739        720       722    722 739      738
## emoreg.ier    721    720        747       736    728 747      746
## emoreg.ed     723    722        736       749    731 749      748
## natcon        724    722        728       731    754 754      753
## age           740    739        747       749    754 773      772
## gender.d      739    738        746       748    753 772      772
## Probability values (Entries above the diagonal are adjusted for multiple tests.) 
##             anx  sad  ang indif  emo  peb peb.others peb.own futpeb  cas cas.ce
## anx        0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## sad        0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## ang        0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## indif      0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## emo        0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## peb        0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## peb.others 0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## peb.own    0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## futpeb     0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## cas        0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## cas.ce     0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## cas.f      0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## emp.pt     0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## emp.ec     0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## emoreg.ier 0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## emoreg.ed  0.49 0.03 0.17  0.03 0.13 0.87       0.22    0.72    0.1 0.14   0.17
## natcon     0.00 0.00 0.00  0.00 0.00 0.00       0.00    0.00    0.0 0.00   0.00
## age        0.42 0.37 0.10  0.14 0.21 0.01       0.00    0.10    0.3 0.92   0.79
## gender.d   0.00 0.00 0.00  0.01 0.00 0.00       0.00    0.00    0.0 0.00   0.00
##            cas.f emp.pt emp.ec emoreg.ier emoreg.ed natcon  age gender.d
## anx         0.00   0.00   0.00       0.00      1.00   0.00 1.00     0.00
## sad         0.00   0.00   0.00       0.00      0.90   0.00 1.00     0.00
## ang         0.00   0.00   0.00       0.00      1.00   0.00 1.00     0.00
## indif       0.00   0.01   0.00       0.04      0.98   0.00 1.00     0.34
## emo         0.00   0.00   0.00       0.00      1.00   0.00 1.00     0.00
## peb         0.00   0.00   0.00       0.00      1.00   0.00 0.38     0.00
## peb.others  0.00   0.00   0.00       0.00      1.00   0.00 0.12     0.00
## peb.own     0.00   0.00   0.00       0.00      1.00   0.00 1.00     0.00
## futpeb      0.00   0.00   0.00       0.00      1.00   0.00 1.00     0.00
## cas         0.00   0.00   0.00       0.00      1.00   0.00 1.00     0.00
## cas.ce      0.00   0.00   0.00       0.00      1.00   0.00 1.00     0.00
## cas.f       0.00   0.92   0.39       0.25      1.00   0.00 1.00     0.02
## emp.pt      0.03   0.00   0.00       0.00      1.00   0.00 1.00     0.00
## emp.ec      0.01   0.00   0.00       0.00      0.01   0.00 1.00     0.00
## emoreg.ier  0.01   0.00   0.00       0.00      1.00   0.00 1.00     1.00
## emoreg.ed   0.07   0.61   0.00       0.07      0.00   1.00 1.00     0.00
## natcon      0.00   0.00   0.00       0.00      0.13   0.00 0.30     1.00
## age         0.41   0.82   0.23       0.35      0.59   0.01 0.00     1.00
## gender.d    0.00   0.00   0.00       0.39      0.00   0.23 0.67     0.00
## 
##  To see confidence intervals of the correlations, print with the short=FALSE option
#bootstrapped confidence intervals
data.ci <-  cor.ci(data [,c("anx", "sad", "ang", "indif", "emo", 
                    "peb", "peb.others", "peb.own", "futpeb",
                    "cas", "cas.ce", "cas.f",
                    "emp.pt", "emp.ec",
                    "emoreg.ier", "emoreg.ed",
                    "natcon",
                    "age", "gender.d")],
                  n.iter = 1000)

ci <- cor.plot.upperLowerCi(data.ci)  

ci   
## 
##  High and low confidence intervals 
##              anx   sad   ang  indf   emo   peb  pb.t  pb.w  ftpb   cas  cs.c
## anx         1.00  0.72  0.69 -0.38  0.89  0.54  0.56  0.43  0.57  0.39  0.41
## sad         0.63  1.00  0.73 -0.43  0.91  0.56  0.57  0.45  0.57  0.34  0.36
## ang         0.59  0.64  1.00 -0.43  0.90  0.60  0.60  0.49  0.60  0.32  0.33
## indif      -0.25 -0.29 -0.29  1.00 -0.46 -0.45 -0.45 -0.39 -0.44 -0.27 -0.29
## emo         0.85  0.87  0.87 -0.33  1.00  0.63  0.64  0.51  0.65  0.39  0.41
## peb         0.43  0.44  0.50 -0.32  0.53  1.00  0.85  0.93  0.70  0.36  0.36
## peb.others  0.44  0.46  0.49 -0.32  0.54  0.81  1.00  0.59  0.70  0.48  0.49
## peb.own     0.32  0.33  0.37 -0.25  0.40  0.90  0.50  1.00  0.57  0.22  0.23
## futpeb      0.46  0.46  0.50 -0.30  0.55  0.60  0.61  0.45  1.00  0.40  0.42
## cas         0.24  0.19  0.18 -0.13  0.24  0.19  0.33  0.06  0.24  1.00  0.98
## cas.ce      0.26  0.21  0.18 -0.15  0.25  0.20  0.34  0.07  0.26  0.97  1.00
## cas.f       0.18  0.12  0.13 -0.09  0.17  0.15  0.27  0.03  0.18  0.92  0.79
## emp.pt      0.16  0.22  0.20 -0.08  0.23  0.30  0.24  0.27  0.23  0.00  0.01
## emp.ec      0.20  0.28  0.21 -0.17  0.27  0.27  0.20  0.23  0.20 -0.01  0.01
## emoreg.ier  0.08  0.15  0.17 -0.06  0.17  0.24  0.23  0.19  0.18  0.03  0.04
## emoreg.ed   0.05  0.00  0.03  0.00  0.02  0.08  0.04 -0.06  0.00 -0.01 -0.01
## natcon      0.27  0.33  0.37 -0.16  0.38  0.45  0.38  0.36  0.36  0.08  0.09
## age        -0.04 -0.04  0.00  0.02 -0.02  0.01  0.05 -0.03 -0.02 -0.03 -0.03
## gender.d    0.25  0.25  0.19 -0.05  0.27  0.21  0.20  0.15  0.19  0.04  0.05
##             cs.f emp.p emp.c emrg.r emrg.d  ntcn   age  gnd.
## anx         0.33  0.30  0.36   0.23  -0.10  0.39  0.11  0.37
## sad         0.28  0.36  0.42   0.29  -0.15  0.45  0.10  0.38
## ang         0.27  0.34  0.37   0.32  -0.13  0.48  0.13  0.32
## indif      -0.24 -0.22 -0.33  -0.21   0.15 -0.32 -0.12 -0.19
## emo         0.32  0.37  0.42   0.31  -0.13  0.49  0.12  0.40
## peb         0.31  0.43  0.41   0.38  -0.09  0.56  0.17  0.34
## peb.others  0.42  0.38  0.35   0.36  -0.11  0.50  0.20  0.33
## peb.own     0.18  0.40  0.38   0.34   0.10  0.49  0.12  0.29
## futpeb      0.34  0.37  0.35   0.32  -0.14  0.48  0.13  0.32
## cas         0.95  0.13  0.14   0.16  -0.13  0.22  0.12  0.18
## cas.ce      0.87  0.14  0.16   0.15  -0.13  0.23  0.12  0.19
## cas.f       1.00  0.09  0.10   0.14  -0.11  0.19  0.12  0.16
## emp.pt     -0.04  1.00  0.45   0.50  -0.11  0.37  0.08  0.31
## emp.ec     -0.05  0.29  1.00   0.28  -0.21  0.28  0.11  0.42
## emoreg.ier  0.00  0.37  0.12   1.00   0.15  0.39  0.11 -0.09
## emoreg.ed   0.01  0.06 -0.06  -0.02   1.00  0.14 -0.09 -0.21
## natcon      0.05  0.22  0.12   0.26  -0.01  1.00  0.16  0.12
## age        -0.03 -0.07 -0.03  -0.03   0.05  0.01  1.00  0.09
## gender.d    0.02  0.18  0.29   0.05  -0.06 -0.02 -0.05  1.00

6 Latent Profile Analysis

6.1 Preparing data frame

Create data frame with case,

pro-environmental behavior and climate anxiety-related impairment,

and climate emotions, empathy, emotion regulation, nature connectedness for auxiliary analyses

data.lpa <- data.frame(data$ID, 
                       
                       data$peb.others, data$peb.own, data$futpeb,
                       data$cas.ce, data$cas.f,
                       
                       data$anx, data$sad, data$ang, data$indif, data$emo,
                       
                       data$emp.pt, data$emp.ec,
                       data$emoreg.ier, data$emoreg.ed,
                       data$natcon,
                       
                       data$age, data$gender.d)

Considering only complete cases

data.lpa <- data.lpa[complete.cases(data.lpa), ]

data$ID
##   [1]   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15  16  17  18
##  [19]  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36
##  [37]  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54
##  [55]  55  56  57  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72
##  [73]  73  74  75  76  77  78  79  80  81  82  83  84  85  86  87  88  89  90
##  [91]  91  92  93  94  95  96  97  98  99 100 101 102 103 104 105 106 107 108
## [109] 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126
## [127] 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
## [145] 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162
## [163] 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180
## [181] 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198
## [199] 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
## [217] 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234
## [235] 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252
## [253] 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270
## [271] 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288
## [289] 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306
## [307] 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324
## [325] 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342
## [343] 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360
## [361] 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378
## [379] 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396
## [397] 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414
## [415] 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432
## [433] 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450
## [451] 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468
## [469] 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486
## [487] 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504
## [505] 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522
## [523] 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540
## [541] 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558
## [559] 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576
## [577] 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594
## [595] 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612
## [613] 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630
## [631] 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648
## [649] 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666
## [667] 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684
## [685] 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702
## [703] 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720
## [721] 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738
## [739] 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756
## [757] 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773
## attr(,"label")
## [1] "ID"
## attr(,"format.spss")
## [1] "F10.0"
## attr(,"display_width")
## [1] 10
data.lpa$data.ID
##   [1]   2   5   6   7   9  10  11  13  14  15  16  17  18  19  20  23  24  25
##  [19]  26  28  29  31  33  34  35  36  37  40  42  43  44  45  46  48  49  50
##  [37]  51  52  53  54  57  58  61  62  66  68  69  70  71  74  75  76  77  78
##  [55]  80  81  84  85  86  87  88  89  90  91  92  93  94  95  96  97  99 100
##  [73] 101 102 103 104 105 108 109 110 111 112 113 114 115 116 117 118 120 123
##  [91] 124 125 126 127 128 130 131 132 133 136 137 138 140 142 143 145 146 147
## [109] 148 150 151 153 154 155 156 157 158 160 161 163 164 167 168 169 172 174
## [127] 175 176 177 179 180 181 182 183 186 187 188 189 190 191 192 193 195 196
## [145] 197 198 199 200 201 202 203 204 205 206 207 208 209 211 212 213 214 215
## [163] 216 217 218 219 220 221 222 223 224 225 226 228 229 230 231 232 233 234
## [181] 235 236 237 238 240 241 242 245 246 247 249 250 251 252 253 254 255 256
## [199] 257 258 260 261 262 263 264 265 266 267 268 269 270 272 273 274 276 277
## [217] 278 279 280 281 282 283 285 286 289 290 291 292 293 294 295 296 297 298
## [235] 299 300 301 302 303 304 305 306 307 308 310 311 312 313 314 318 319 320
## [253] 321 323 324 325 326 327 328 329 330 331 333 334 336 337 338 339 341 342
## [271] 343 344 345 346 347 348 349 350 351 352 353 357 358 360 364 365 367 368
## [289] 369 370 371 372 373 374 375 376 377 378 380 381 382 385 386 388 389 391
## [307] 392 394 395 396 397 398 399 401 403 404 405 406 409 410 411 412 413 414
## [325] 415 416 418 419 420 421 422 424 426 427 428 429 431 432 433 434 435 436
## [343] 437 439 440 441 442 443 444 446 447 449 450 452 453 454 455 456 457 458
## [361] 459 460 461 463 464 466 467 468 469 470 471 472 473 475 477 478 480 481
## [379] 482 483 484 485 486 487 488 489 490 491 492 494 495 496 497 498 499 501
## [397] 502 503 504 505 506 507 508 510 511 512 513 514 516 518 520 521 522 525
## [415] 527 528 529 530 531 532 533 534 536 538 540 541 542 543 544 545 546 547
## [433] 548 551 552 554 555 557 558 559 561 562 563 564 565 566 567 568 569 570
## [451] 571 572 573 574 575 576 578 580 581 582 583 584 585 586 587 589 592 593
## [469] 594 595 596 599 601 602 603 604 605 606 607 608 609 611 613 614 615 616
## [487] 618 619 620 621 622 623 624 625 626 627 628 629 630 631 633 634 635 636
## [505] 637 638 639 640 641 642 644 645 646 647 648 649 650 651 654 656 657 658
## [523] 659 660 661 662 664 665 666 667 669 670 671 672 673 674 675 676 677 678
## [541] 679 681 682 683 684 685 686 687 688 689 690 691 693 695 696 697 698 699
## [559] 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719
## [577] 720 721 722 723 724 725 726 727 729 730 731 732 733 734 735 736 738 739
## [595] 740 741 742 743 744 746 747 748 749 750 751 752 753 754 755 756 757 758
## [613] 759 760 761 762 763 764 765 766 767

6.2 Calculating multivariate outliers

reg=lm(data.lpa$data.ID~
                      
         data.lpa$data.peb.own + data.lpa$data.peb.others + data.lpa$data.futpeb +   
    
         data.lpa$data.cas.ce + data.lpa$data.cas.f +
                       
         data.lpa$data.anx + data.lpa$data.sad + data.lpa$data.ang + data.lpa$data.indif +
                       
         data.lpa$data.emp.pt + data.lpa$data.emp.ec +
         data.lpa$data.emoreg.ier + data.lpa$data.emoreg.ed +
         data.lpa$data.natcon +
                       
         data.lpa$data.age + data.lpa$data.gender.d, 
                      
       data=data.lpa)

summary(reg)
## 
## Call:
## lm(formula = data.lpa$data.ID ~ data.lpa$data.peb.own + data.lpa$data.peb.others + 
##     data.lpa$data.futpeb + data.lpa$data.cas.ce + data.lpa$data.cas.f + 
##     data.lpa$data.anx + data.lpa$data.sad + data.lpa$data.ang + 
##     data.lpa$data.indif + data.lpa$data.emp.pt + data.lpa$data.emp.ec + 
##     data.lpa$data.emoreg.ier + data.lpa$data.emoreg.ed + data.lpa$data.natcon + 
##     data.lpa$data.age + data.lpa$data.gender.d, data = data.lpa)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -452.21  -96.19    2.55  113.59  429.38 
## 
## Coefficients:
##                           Estimate Std. Error t value Pr(>|t|)    
## (Intercept)              -363.2885   218.5628  -1.662 0.096998 .  
## data.lpa$data.peb.own     154.3089     9.0466  17.057  < 2e-16 ***
## data.lpa$data.peb.others   38.6727    11.3587   3.405 0.000706 ***
## data.lpa$data.futpeb        6.6359    10.2427   0.648 0.517318    
## data.lpa$data.cas.ce      -23.2445    26.6193  -0.873 0.382890    
## data.lpa$data.cas.f        25.9654    24.7151   1.051 0.293866    
## data.lpa$data.anx          24.3361     7.0556   3.449 0.000601 ***
## data.lpa$data.sad           2.5135     6.9300   0.363 0.716959    
## data.lpa$data.ang         -11.8992     6.6718  -1.784 0.075007 .  
## data.lpa$data.indif         4.1442     5.1790   0.800 0.423913    
## data.lpa$data.emp.pt      -13.7516     9.3407  -1.472 0.141483    
## data.lpa$data.emp.ec       -3.6972     9.3803  -0.394 0.693611    
## data.lpa$data.emoreg.ier    0.1539     5.2574   0.029 0.976653    
## data.lpa$data.emoreg.ed     3.9420     4.2140   0.935 0.349930    
## data.lpa$data.natcon       -1.2637     5.7566  -0.220 0.826320    
## data.lpa$data.age           9.1801    13.0510   0.703 0.482076    
## data.lpa$data.gender.d     17.6161    14.2445   1.237 0.216680    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 151.2 on 604 degrees of freedom
## Multiple R-squared:  0.5465, Adjusted R-squared:  0.5345 
## F-statistic: 45.49 on 16 and 604 DF,  p-value: < 2.2e-16

Inspect leverages to detect multivariate outliers

lev =hat(model.matrix(reg))
plot(lev)

Calculate mahalanobis distance and identify top 5 cases

N= nrow(data.lpa)
mahad=(N-1)*(lev-1 / N)
tail(sort(mahad),5)
## [1] 56.00064 60.43698 62.93485 63.34032 65.66993
order(mahad,decreasing=T)[c(5,4,3,2,1)]
## [1] 621 476 417 265 620

Calculate probability that case is outlier

P_mahad = 1 - pchisq(mahad, df=16)

Compute outlier variable

data.lpa$outlier <- 0
data.lpa$outlier[P_mahad < .001] <- 1

Sort cases to see outliers

order(data.lpa$outlier,decreasing=T)
##   [1]  58  60  76 265 284 295 417 449 476 477 486 518 582 583 591 607 620 621
##  [19]   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15  16  17  18
##  [37]  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36
##  [55]  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54
##  [73]  55  56  57  59  61  62  63  64  65  66  67  68  69  70  71  72  73  74
##  [91]  75  77  78  79  80  81  82  83  84  85  86  87  88  89  90  91  92  93
## [109]  94  95  96  97  98  99 100 101 102 103 104 105 106 107 108 109 110 111
## [127] 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
## [145] 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147
## [163] 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165
## [181] 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183
## [199] 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201
## [217] 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219
## [235] 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237
## [253] 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255
## [271] 256 257 258 259 260 261 262 263 264 266 267 268 269 270 271 272 273 274
## [289] 275 276 277 278 279 280 281 282 283 285 286 287 288 289 290 291 292 293
## [307] 294 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312
## [325] 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330
## [343] 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348
## [361] 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366
## [379] 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384
## [397] 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402
## [415] 403 404 405 406 407 408 409 410 411 412 413 414 415 416 418 419 420 421
## [433] 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439
## [451] 440 441 442 443 444 445 446 447 448 450 451 452 453 454 455 456 457 458
## [469] 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 478
## [487] 479 480 481 482 483 484 485 487 488 489 490 491 492 493 494 495 496 497
## [505] 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515
## [523] 516 517 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534
## [541] 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
## [559] 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570
## [577] 571 572 573 574 575 576 577 578 579 580 581 584 585 586 587 588 589 590
## [595] 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 608 609 610
## [613] 611 612 613 614 615 616 617 618 619

Removing multivariate outliers

data.lpa_out <- data.lpa[!(data.lpa$outlier==1),]

Create data frame without outliers

data.lpa <- data.frame(data.lpa_out$data.ID, 
                       
                       data.lpa_out$data.peb.own, data.lpa_out$data.peb.others, data.lpa_out$data.futpeb,   
    
                       data.lpa_out$data.cas.ce, data.lpa_out$data.cas.f,
                       
                       data.lpa_out$data.anx, data.lpa_out$data.sad, data.lpa_out$data.ang, data.lpa_out$data.indif,
                       data.lpa_out$data.emo,
                       
                       data.lpa_out$data.emp.pt, data.lpa_out$data.emp.ec,
                       data.lpa_out$data.emoreg.ier, data.lpa_out$data.emoreg.ed,
                       data.lpa_out$data.natcon,
                       
                       data.lpa_out$data.age, data.lpa_out$data.gender.d)

6.3 Multivariate normality

Doornik-Hansen’s test

library(MVN)
result <- MVN::mvn(data = data.lpa[, 2:6])
result$multivariateNormality
## NULL

6.4 Clustering and dimension reduction

6.4.1 BIC

library(mclust)
## Package 'mclust' version 6.1.2
## Type 'citation("mclust")' for citing this R package in publications.
## 
## Attaching package: 'mclust'
## The following object is masked from 'package:purrr':
## 
##     map
## The following object is masked from 'package:mvtnorm':
## 
##     dmvnorm
## The following object is masked from 'package:dplyr':
## 
##     count
## The following object is masked from 'package:MVN':
## 
##     mvn
## The following object is masked from 'package:psych':
## 
##     sim
mnames <- c("EEI", "EEE", "VVI", "VVV") 

# Fit 1-5 class model 
mod <- Mclust(data.lpa[, 2:6], modelNames = mnames)

# Optimal number of classes 
mod$G
## [1] 9
# Optimal model variant 
mod$modelName
## [1] "EEE"
# BIC values
mod$BIC
## Bayesian Information Criterion (BIC): 
##         EEI       EEE       VVI       VVV
## 1 -5700.129 -4243.529 -5700.129 -4243.529
## 2 -4429.960 -3731.970        NA        NA
## 3 -4095.481 -3720.172        NA        NA
## 4 -3957.669 -3637.455        NA        NA
## 5 -3648.375 -3675.414        NA        NA
## 6 -3437.894 -3689.967        NA        NA
## 7 -3462.393 -3566.194        NA        NA
## 8 -3500.786 -3430.331        NA        NA
## 9 -3446.062 -3235.541        NA        NA
## 
## Top 3 models based on the BIC criterion: 
##     EEE,9     EEE,8     EEI,6 
## -3235.541 -3430.331 -3437.894

6.4.2 BLRT

mclustBootstrapLRT(data.lpa[, 2:6], modelName = "EEE")
## ------------------------------------------------------------- 
## Bootstrap sequential LRT for the number of mixture components 
## ------------------------------------------------------------- 
## Model        = EEE 
## Replications = 999 
##                 LRTS bootstrap p-value
## 1 vs 2   549.9700286             0.001
## 2 vs 3    50.2097095             0.001
## 3 vs 4   121.1292050             0.001
## 4 vs 5     0.4523574             0.940

6.4.3 Comparing different models

library(tidyLPA)
## Loading required package: tidySEM
## 
## Attaching package: 'tidySEM'
## The following object is masked from 'package:MVN':
## 
##     descriptives
## Registered S3 method overwritten by 'tidyLPA':
##   method    from   
##   print.LRT tidySEM
## You can use the function citation('tidyLPA') to create a citation for the use of {tidyLPA}.
## Mplus is not installed. Use only package = 'mclust' when calling estimate_profiles().
## 
## Attaching package: 'tidyLPA'
## The following objects are masked from 'package:tidySEM':
## 
##     get_data, get_estimates, get_fit, poms
mod <-
    data.lpa[, 2:6] %>%
    single_imputation() %>%
    scale() %>%
    estimate_profiles(1:9) %>%
    compare_solutions(statistics = c("AIC", "BIC", "SABIC", "Entropy")) 
## Warning: 
## One or more analyses resulted in warnings! Examine these analyses carefully: model_1_class_8, model_1_class_9
## Warning: 
## One or more analyses resulted in warnings! Examine these analyses carefully: model_1_class_8, model_1_class_9
## Warning: The solution with the maximum number of classes under consideration
## was considered to be the best solution according to one or more fit indices.
## Examine your results with care and consider estimating more classes.
mod
## Compare tidyLPA solutions:
## 
##  Model Classes AIC      BIC      SABIC    Entropy   Warnings
##  1     1       8571.195 8615.214 8583.467 1.0000000         
##  1     2       7274.614 7345.045 7294.249 0.9921359         
##  1     3       6913.803 7010.645 6940.801 0.8959542         
##  1     4       6749.533 6872.787 6783.894 0.8469357         
##  1     5       6413.860 6563.525 6455.584 0.8678498         
##  1     6       6176.928 6353.004 6226.015 0.8863821         
##  1     7       6175.015 6377.503 6231.465 0.8138910         
##  1     8       6186.971 6415.871 6250.784 0.7680615 Warning 
##  1     9       6193.382 6448.693 6264.558 0.6738085 Warning 
## 
## Best model according to AIC is Model 1 with 7 classes.
## Best model according to BIC is Model 1 with 6 classes.
## Best model according to SABIC is Model 1 with 6 classes.
## Best model according to Entropy is Model NA with NA classes.
## 
## An analytic hierarchy process, based on the fit indices AIC, AWE, BIC, CLC, and KIC (Akogul & Erisoglu, 2017), suggests the best solution is Model 1 with 6 classes.

6.4.4 Plot profiles with tidyLPA

6.4.4.1 1 to 9

library(tidyLPA)

mod <- data.lpa[, 2:6] %>%
    estimate_profiles(1:9)
## Warning: 
## One or more analyses resulted in warnings! Examine these analyses carefully: model_1_class_8, model_1_class_9
plot_profiles(mod,
              ci = 0,
              sd = FALSE,
              add_line = TRUE,
              rawdata = FALSE)

6.4.4.2 3

library(tidyLPA)

mod <- data.lpa[, 2:6] %>%
    estimate_profiles(3)
    
plot_profiles(mod,
              ci = 0,
              sd = FALSE,
              add_line = TRUE,
              rawdata = FALSE)

6.4.5 Calculate and save profile membership

library(tidyLPA)

mod <- data.lpa[, 2:6] %>%
    estimate_profiles(3)

get_data(mod)
## # A tibble: 603 × 11
##    model_number classes_number data.lpa_out.data.peb.own data.lpa_out.data.peb…¹
##           <dbl>          <dbl>                     <dbl>                   <dbl>
##  1            1              3                      2.29                     1  
##  2            1              3                      1.71                     1  
##  3            1              3                      3.14                     1  
##  4            1              3                      1.71                     1.2
##  5            1              3                      2.29                     1  
##  6            1              3                      3.43                     1.8
##  7            1              3                      1.14                     1  
##  8            1              3                      1                        1  
##  9            1              3                      1.86                     1  
## 10            1              3                      2.29                     1.2
## # ℹ 593 more rows
## # ℹ abbreviated name: ¹​data.lpa_out.data.peb.others
## # ℹ 7 more variables: data.lpa_out.data.futpeb <dbl>,
## #   data.lpa_out.data.cas.ce <dbl>, data.lpa_out.data.cas.f <dbl>,
## #   CPROB1 <dbl>, CPROB2 <dbl>, CPROB3 <dbl>, Class <dbl>
class <- get_data(mod)

data.lpa$class <- class$Class
data.lpa$class <- as.factor(data.lpa$class)

6.4.6 Plot 3 profile solution with ggplot2

# Assign names to profile levels
levels(data.lpa$class) <- c("climate-resilient\n(high peb, low impairment)",
                            "climate-disengaged\n(low peb, low impairment)",
                            "climate-vulnerable\n(high peb, high impairment)")

# Create a data frame
df <- data.frame(
  class=data.lpa$class,
  peb.own=data.lpa$data.lpa_out.data.peb.own,
  peb.others=data.lpa$data.lpa_out.data.peb.others,
  futpeb=data.lpa$data.lpa_out.data.futpeb,
  cas.ce=data.lpa$data.lpa_out.data.cas.ce,
  cas.f=data.lpa$data.lpa_out.data.cas.f)

# Calculate means by group (profile) for each variable
df.means <- aggregate(. ~ class, df, mean, na.rm = TRUE)

# Melt the data
library(reshape2)
## 
## Attaching package: 'reshape2'
## The following object is masked from 'package:tidyr':
## 
##     smiths
melted_df <- melt(df.means, id.vars = "class")

#Create secondary labels for x-axis
library(grid)
label.1 <- textGrob("Pro-environmental\nbehavior", gp=gpar(fontsize=11))
label.2 <- textGrob("Climate anxiety-\nrelated impairment", gp=gpar(fontsize=11))

#Put the plot together
library(ggplot2)
library(stringr)

p.lpa <- ggplot(melted_df, aes(x = variable, y = value, group=class, color = class)) +
  geom_line(lwd=.3, 
          linetype = "dashed") +
  geom_point() +
  labs(y = "Means",
       x = "",
       color = "Profiles") +   
  scale_x_discrete(
    label = c(
      "Own", 
      "Influencing\nothers",
      "Future",
      
      "Cognitive-\nemotional",
      "Functional")) + 
  scale_color_manual(
    values = c("#D73027", "#FDAE61", "#4575B4"),
    labels = c("climate-resilient\n(high peb, low impairment)" = "Climate-resilient\n(16.9%)\n",       
               "climate-disengaged\n(low peb, low impairment)" = "Climate-disengaged\n(72.8%)\n", 
               "climate-vulnerable\n(high peb, high impairment)"="Climate-vulnerable\n(10.3%)\n") 
  ) +
  geom_vline(xintercept=c(3.5), linetype='dashed', size=0.4) + 
  theme(plot.margin = unit(c(1,1,3,1), "lines"), 
        axis.text.x = element_text(angle = 45,   
                                   hjust = 0.95, 
                                   vjust=1)) +   
  annotation_custom(label.1,xmin=1,xmax=3,ymin=-0.1,ymax=-0.1) +  
  annotation_custom(label.2,xmin=4,xmax=5,ymin=-0.1,ymax=-0.1) + 
  coord_cartesian(clip = "off") 
## Warning: Using `size` aesthetic for lines was deprecated in ggplot2 3.4.0.
## ℹ Please use `linewidth` instead.
## This warning is displayed once per session.
## Call `lifecycle::last_lifecycle_warnings()` to see where this warning was
## generated.
print(p.lpa)

# Save the plot as a PNG file
ggsave("Figure 1 - LPA.png", plot = p.lpa, height = 4.7, width = 7, dpi = 300)

# Save the plot as a PDF file
ggsave("Figure 1 - LPA.pdf", plot = p.lpa, height = 4.7, width = 7)

6.4.7 Calculate mean scores on each variable for each profile

options(max.print = 10000000)

estimates <- get_estimates(mod)
print(estimates, n = Inf)
## # A tibble: 30 × 8
##    Category  Parameter            Estimate      se         p Class Model Classes
##    <chr>     <chr>                   <dbl>   <dbl>     <dbl> <int> <dbl>   <dbl>
##  1 Means     data.lpa_out.data.p…   3.99   0.0753  0             1     1       3
##  2 Means     data.lpa_out.data.p…   2.77   0.150   4.27e- 76     1     1       3
##  3 Means     data.lpa_out.data.f…   3.29   0.132   2.50e-138     1     1       3
##  4 Means     data.lpa_out.data.c…   1.31   0.110   1.11e- 32     1     1       3
##  5 Means     data.lpa_out.data.c…   1.15   0.0939  1.10e- 34     1     1       3
##  6 Variances data.lpa_out.data.p…   0.625  0.0493  7.77e- 37     1     1       3
##  7 Variances data.lpa_out.data.p…   0.325  0.0414  4.05e- 15     1     1       3
##  8 Variances data.lpa_out.data.f…   0.458  0.0450  2.15e- 24     1     1       3
##  9 Variances data.lpa_out.data.c…   0.0460 0.00607 3.45e- 14     1     1       3
## 10 Variances data.lpa_out.data.c…   0.0298 0.00509 4.60e-  9     1     1       3
## 11 Means     data.lpa_out.data.p…   3.11   0.0630  0             2     1       3
## 12 Means     data.lpa_out.data.p…   1.46   0.0657  4.26e-110     2     1       3
## 13 Means     data.lpa_out.data.f…   2.02   0.0632  6.17e-224     2     1       3
## 14 Means     data.lpa_out.data.c…   1.07   0.00740 0             2     1       3
## 15 Means     data.lpa_out.data.c…   1.03   0.00623 0             2     1       3
## 16 Variances data.lpa_out.data.p…   0.625  0.0493  7.77e- 37     2     1       3
## 17 Variances data.lpa_out.data.p…   0.325  0.0414  4.05e- 15     2     1       3
## 18 Variances data.lpa_out.data.f…   0.458  0.0450  2.15e- 24     2     1       3
## 19 Variances data.lpa_out.data.c…   0.0460 0.00607 3.45e- 14     2     1       3
## 20 Variances data.lpa_out.data.c…   0.0298 0.00509 4.60e-  9     2     1       3
## 21 Means     data.lpa_out.data.p…   3.68   0.144   8.15e-145     3     1       3
## 22 Means     data.lpa_out.data.p…   2.84   0.130   3.38e-105     3     1       3
## 23 Means     data.lpa_out.data.f…   3.14   0.122   1.48e-146     3     1       3
## 24 Means     data.lpa_out.data.c…   2.11   0.0953  3.97e-108     3     1       3
## 25 Means     data.lpa_out.data.c…   2.15   0.103   3.68e- 96     3     1       3
## 26 Variances data.lpa_out.data.p…   0.625  0.0493  7.77e- 37     3     1       3
## 27 Variances data.lpa_out.data.p…   0.325  0.0414  4.05e- 15     3     1       3
## 28 Variances data.lpa_out.data.f…   0.458  0.0450  2.15e- 24     3     1       3
## 29 Variances data.lpa_out.data.c…   0.0460 0.00607 3.45e- 14     3     1       3
## 30 Variances data.lpa_out.data.c…   0.0298 0.00509 4.60e-  9     3     1       3

6.4.8 Describe number of people in each profile

table (data.lpa$class)
## 
##   climate-resilient\n(high peb, low impairment) 
##                                             102 
##   climate-disengaged\n(low peb, low impairment) 
##                                             439 
## climate-vulnerable\n(high peb, high impairment) 
##                                              62
prop.table (table (data.lpa$class))
## 
##   climate-resilient\n(high peb, low impairment) 
##                                       0.1691542 
##   climate-disengaged\n(low peb, low impairment) 
##                                       0.7280265 
## climate-vulnerable\n(high peb, high impairment) 
##                                       0.1028192

6.4.9 Assign names to profile levels

levels(data.lpa$class) <- c("climate-resilient\n(high peb, low impairment)",
                            "climate-disengaged\n(low peb, low impairment)",
                            "climate-vulnerable\n(high peb, high impairment)")

7 Sensititvity analysis

for minimum detectable effect for profile contrasts in multinomial regression

library(pwr)
## Warning: package 'pwr' was built under R version 4.6.1
d_to_OR <- function(d) c(OR_increase = exp(d), OR_decrease = exp(-d))

mde_odds_ratio <- function(n1, n2, alpha = .05, power = .80, label = "") {
  fit <- pwr.t2n.test(n1 = n1, n2 = n2, sig.level = alpha, power = power)
  or  <- d_to_OR(fit$d)
  data.frame(
    contrast    = label,
    n1 = n1, n2 = n2, alpha = alpha, power = power,
    d           = round(fit$d, 3),
    OR_increase = round(or["OR_increase"], 2),
    OR_decrease = round(or["OR_decrease"], 2),
    row.names   = NULL
  )
}

n_resilient  <- 102
n_disengaged <- 439
n_vulnerable <- 62

results <- rbind(
  mde_odds_ratio(n_vulnerable, n_resilient, alpha = .05, label = "Vulnerable vs Resilient"),
  mde_odds_ratio(n_vulnerable, n_resilient, alpha = .01, label = "Vulnerable vs Resilient"),
  mde_odds_ratio(n_disengaged, n_resilient, alpha = .05, label = "Disengaged vs Resilient"),
  mde_odds_ratio(n_disengaged, n_resilient, alpha = .01, label = "Disengaged vs Resilient")
)

print(results)
##                  contrast  n1  n2 alpha power     d OR_increase OR_decrease
## 1 Vulnerable vs Resilient  62 102  0.05   0.8 0.454        1.57        0.64
## 2 Vulnerable vs Resilient  62 102  0.01   0.8 0.556        1.74        0.57
## 3 Disengaged vs Resilient 439 102  0.05   0.8 0.308        1.36        0.73
## 4 Disengaged vs Resilient 439 102  0.01   0.8 0.377        1.46        0.69

8 Multinomial regression analysis predicting profile membership

8.1 Preparations

Load relevant packages

library(foreign)
library(nnet)
library(ggplot2)
library(ggeffects)
library(reshape2)

Specify baseline outcome class

data.lpa$class.rel <- relevel(data.lpa$class, ref = "climate-resilient\n(high peb, low impairment)")

Standardize predictors

data.lpa$data.lpa_out.data.anx.z <- scale(data.lpa$data.lpa_out.data.anx)
data.lpa$data.lpa_out.data.sad.z <- scale(data.lpa$data.lpa_out.data.sad)
data.lpa$data.lpa_out.data.ang.z <- scale(data.lpa$data.lpa_out.data.ang)
data.lpa$data.lpa_out.data.emo.z <- scale(data.lpa$data.lpa_out.data.emo)
data.lpa$data.lpa_out.data.indif.z <- scale(data.lpa$data.lpa_out.data.indif)
data.lpa$data.lpa_out.data.emp.pt.z <- scale(data.lpa$data.lpa_out.data.emp.pt)
data.lpa$data.lpa_out.data.emp.ec.z <- scale(data.lpa$data.lpa_out.data.emp.ec)
data.lpa$data.lpa_out.data.emoreg.ed.z <- scale(data.lpa$data.lpa_out.data.emoreg.ed)
data.lpa$data.lpa_out.data.emoreg.ier.z <- scale(data.lpa$data.lpa_out.data.emoreg.ier)
data.lpa$data.lpa_out.data.natcon.z <- scale(data.lpa$data.lpa_out.data.natcon)

8.2 Run intercept only model

OIM <- multinom(class.rel ~ 1, data = data.lpa)
## # weights:  6 (2 variable)
## initial  value 662.463210 
## final  value 461.631268 
## converged
summary(OIM)
## Call:
## multinom(formula = class.rel ~ 1, data = data.lpa)
## 
## Coefficients:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     1.4595266
## climate-vulnerable\n(high peb, high impairment)  -0.4978384
## 
## Std. Errors:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     0.1099174
## climate-vulnerable\n(high peb, high impairment)   0.1610371
## 
## Residual Deviance: 923.2625 
## AIC: 927.2625

8.3 Step 1: Only climate emotions as predictors

8.3.1 Run multinomial logistic regression model

Calculate logit coefficients relative to the reference category

test <- multinom(class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
                             data.lpa_out.data.ang.z + data.lpa_out.data.indif.z, data = data.lpa, model=TRUE)
## # weights:  18 (10 variable)
## initial  value 662.463210 
## iter  10 value 380.241905
## iter  20 value 357.119581
## iter  20 value 357.119581
## iter  20 value 357.119581
## final  value 357.119581 
## converged
summary(test)
## Call:
## multinom(formula = class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z, data = data.lpa, 
##     model = TRUE)
## 
## Coefficients:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     1.8474406
## climate-vulnerable\n(high peb, high impairment)  -0.7217028
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)                -0.5001217
## climate-vulnerable\n(high peb, high impairment)               0.4434527
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)               -0.43057787
## climate-vulnerable\n(high peb, high impairment)             -0.03323844
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)               -0.56211141
## climate-vulnerable\n(high peb, high impairment)             -0.04708577
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.4379795
## climate-vulnerable\n(high peb, high impairment)                 0.1807901
## 
## Std. Errors:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     0.1513522
## climate-vulnerable\n(high peb, high impairment)   0.2462460
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)                 0.1697857
## climate-vulnerable\n(high peb, high impairment)               0.2248571
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)                 0.1837166
## climate-vulnerable\n(high peb, high impairment)               0.2437899
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)                 0.1752685
## climate-vulnerable\n(high peb, high impairment)               0.2265596
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.1584499
## climate-vulnerable\n(high peb, high impairment)                 0.2096400
## 
## Residual Deviance: 714.2392 
## AIC: 734.2392

Calculate 95% confidence intervals

ci <- confint(test)
ci
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                2.5 %      97.5 %
## (Intercept)                1.5507958  2.14408547
## data.lpa_out.data.anx.z   -0.8328956 -0.16734792
## data.lpa_out.data.sad.z   -0.7906559 -0.07049986
## data.lpa_out.data.ang.z   -0.9056314 -0.21859141
## data.lpa_out.data.indif.z  0.1274233  0.74853566
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                  2.5 %     97.5 %
## (Intercept)               -1.204336190 -0.2390695
## data.lpa_out.data.anx.z    0.002740801  0.8841645
## data.lpa_out.data.sad.z   -0.511057896  0.4445810
## data.lpa_out.data.ang.z   -0.491134414  0.3969629
## data.lpa_out.data.indif.z -0.230096868  0.5916770

8.3.2 Odds Ratios

Extract the coefficients from the model and exponentiate -> show Odds ratios in relation to the impaired profile

odds <- exp(coef(test))
odds
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     6.3435632
## climate-vulnerable\n(high peb, high impairment)   0.4859241
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)                 0.6064568
## climate-vulnerable\n(high peb, high impairment)               1.5580775
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)                 0.6501333
## climate-vulnerable\n(high peb, high impairment)               0.9673079
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)                 0.5700043
## climate-vulnerable\n(high peb, high impairment)               0.9540056
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.549573
## climate-vulnerable\n(high peb, high impairment)                  1.198164

Calculate 95% confidence intervals for odds ratios

exp(ci)
## , , climate-disengaged
## (low peb, low impairment)
## 
##                               2.5 %    97.5 %
## (Intercept)               4.7152210 8.5342329
## data.lpa_out.data.anx.z   0.4347885 0.8459053
## data.lpa_out.data.sad.z   0.4535472 0.9319279
## data.lpa_out.data.ang.z   0.4042865 0.8036500
## data.lpa_out.data.indif.z 1.1358978 2.1139023
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                               2.5 %    97.5 %
## (Intercept)               0.2998910 0.7873602
## data.lpa_out.data.anx.z   1.0027446 2.4209609
## data.lpa_out.data.sad.z   0.5998607 1.5598365
## data.lpa_out.data.ang.z   0.6119318 1.4873007
## data.lpa_out.data.indif.z 0.7944566 1.8070163

8.3.3 Calculate p-values for regression coefficients, calculating Wald-z first

z <- summary(test)$coefficients/summary(test)$standard.errors
z
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)      12.20624
## climate-vulnerable\n(high peb, high impairment)    -2.93082
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)                 -2.945606
## climate-vulnerable\n(high peb, high impairment)                1.972153
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)                -2.3437063
## climate-vulnerable\n(high peb, high impairment)              -0.1363405
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)                -3.2071440
## climate-vulnerable\n(high peb, high impairment)              -0.2078295
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   2.7641507
## climate-vulnerable\n(high peb, high impairment)                 0.8623833
p <- (1 - pnorm(abs(z), 0, 1)) * 2
p
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)   0.000000000
## climate-vulnerable\n(high peb, high impairment) 0.003380685
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)               0.003223225
## climate-vulnerable\n(high peb, high impairment)             0.048592136
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)                 0.0190932
## climate-vulnerable\n(high peb, high impairment)               0.8915521
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)               0.001340599
## climate-vulnerable\n(high peb, high impairment)             0.835362098
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                 0.005707117
## climate-vulnerable\n(high peb, high impairment)               0.388476626

8.3.4 Calculate Pseudo-R

library(DescTools)
## 
## Attaching package: 'DescTools'
## The following object is masked from 'package:mclust':
## 
##     BrierScore
## The following object is masked from 'package:car':
## 
##     Recode
## The following objects are masked from 'package:psych':
## 
##     AUC, ICC, SD
PseudoR2(test, c("CoxSnell","Nagelkerke","McFadden", "McFaddenAdj"))
##    CoxSnell  Nagelkerke    McFadden McFaddenAdj 
##   0.2929395   0.3737877   0.2263965   0.2047342

8.3.5 Predicted probabilities for each class/profile

head(test$fitted.values,30)
##    climate-resilient\n(high peb, low impairment)
## 1                                    0.043215053
## 2                                    0.043215053
## 3                                    0.043215053
## 4                                    0.058057746
## 5                                    0.031629651
## 6                                    0.042698190
## 7                                    0.062129949
## 8                                    0.023067348
## 9                                    0.023067348
## 10                                   0.033951819
## 11                                   0.033951819
## 12                                   0.031253134
## 13                                   0.045767706
## 14                                   0.016777946
## 15                                   0.016777946
## 16                                   0.022794204
## 17                                   0.022794204
## 18                                   0.022794204
## 19                                   0.033542453
## 20                                   0.012179101
## 21                                   0.012179101
## 22                                   0.012179101
## 23                                   0.012179101
## 24                                   0.012179101
## 25                                   0.016580345
## 26                                   0.016580345
## 27                                   0.016580345
## 28                                   0.008827742
## 29                                   0.008827742
## 30                                   0.008827742
##    climate-disengaged\n(low peb, low impairment)
## 1                                      0.9456715
## 2                                      0.9456715
## 3                                      0.9456715
## 4                                      0.9273703
## 5                                      0.9590641
## 6                                      0.9450405
## 7                                      0.9206183
## 8                                      0.9691675
## 9                                      0.9691675
## 10                                     0.9549968
## 11                                     0.9549968
## 12                                     0.9584787
## 13                                     0.9396924
## 14                                     0.9767602
## 15                                     0.9767602
## 16                                     0.9686375
## 17                                     0.9686375
## 18                                     0.9686375
## 19                                     0.9542658
## 20                                     0.9824542
## 21                                     0.9824542
## 22                                     0.9824542
## 23                                     0.9824542
## 24                                     0.9824542
## 25                                     0.9762890
## 26                                     0.9762890
## 27                                     0.9762890
## 28                                     0.9867217
## 29                                     0.9867217
## 30                                     0.9867217
##    climate-vulnerable\n(high peb, high impairment)
## 1                                      0.011113410
## 2                                      0.011113410
## 3                                      0.011113410
## 4                                      0.014571993
## 5                                      0.009306286
## 6                                      0.012261341
## 7                                      0.017251715
## 8                                      0.007765142
## 9                                      0.007765142
## 10                                     0.011051406
## 11                                     0.011051406
## 12                                     0.010268141
## 13                                     0.014539858
## 14                                     0.006461901
## 15                                     0.006461901
## 16                                     0.008568256
## 17                                     0.008568256
## 18                                     0.008568256
## 19                                     0.012191736
## 20                                     0.005366689
## 21                                     0.005366689
## 22                                     0.005366689
## 23                                     0.005366689
## 24                                     0.005366689
## 25                                     0.007130686
## 26                                     0.007130686
## 27                                     0.007130686
## 28                                     0.004450518
## 29                                     0.004450518
## 30                                     0.004450518

8.3.6 Predicted profiles

head(predict(test),30)
##  [1] climate-disengaged\n(low peb, low impairment)
##  [2] climate-disengaged\n(low peb, low impairment)
##  [3] climate-disengaged\n(low peb, low impairment)
##  [4] climate-disengaged\n(low peb, low impairment)
##  [5] climate-disengaged\n(low peb, low impairment)
##  [6] climate-disengaged\n(low peb, low impairment)
##  [7] climate-disengaged\n(low peb, low impairment)
##  [8] climate-disengaged\n(low peb, low impairment)
##  [9] climate-disengaged\n(low peb, low impairment)
## [10] climate-disengaged\n(low peb, low impairment)
## [11] climate-disengaged\n(low peb, low impairment)
## [12] climate-disengaged\n(low peb, low impairment)
## [13] climate-disengaged\n(low peb, low impairment)
## [14] climate-disengaged\n(low peb, low impairment)
## [15] climate-disengaged\n(low peb, low impairment)
## [16] climate-disengaged\n(low peb, low impairment)
## [17] climate-disengaged\n(low peb, low impairment)
## [18] climate-disengaged\n(low peb, low impairment)
## [19] climate-disengaged\n(low peb, low impairment)
## [20] climate-disengaged\n(low peb, low impairment)
## [21] climate-disengaged\n(low peb, low impairment)
## [22] climate-disengaged\n(low peb, low impairment)
## [23] climate-disengaged\n(low peb, low impairment)
## [24] climate-disengaged\n(low peb, low impairment)
## [25] climate-disengaged\n(low peb, low impairment)
## [26] climate-disengaged\n(low peb, low impairment)
## [27] climate-disengaged\n(low peb, low impairment)
## [28] climate-disengaged\n(low peb, low impairment)
## [29] climate-disengaged\n(low peb, low impairment)
## [30] climate-disengaged\n(low peb, low impairment)
## 3 Levels: climate-resilient\n(high peb, low impairment) ...

8.3.7 Likelihood ratio tests

Examine significance of predictors to the model

8.3.7.1 Climate anxiety

library(lmtest)
## Loading required package: zoo
## 
## Attaching package: 'zoo'
## The following objects are masked from 'package:base':
## 
##     as.Date, as.Date.numeric
lrtest(test, "data.lpa_out.data.anx.z")
## # weights:  15 (8 variable)
## initial  value 662.463210 
## iter  10 value 371.266423
## final  value 368.952135 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z
## Model 2: class.rel ~ data.lpa_out.data.sad.z + data.lpa_out.data.ang.z + 
##     data.lpa_out.data.indif.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)    
## 1  10 -357.12                         
## 2   8 -368.95 -2 23.665  7.264e-06 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.3.7.2 Climate sadness

lrtest(test, "data.lpa_out.data.sad.z")
## # weights:  15 (8 variable)
## initial  value 662.463210 
## iter  10 value 363.154369
## final  value 360.410180 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.ang.z + 
##     data.lpa_out.data.indif.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  10 -357.12                       
## 2   8 -360.41 -2 6.5812    0.03723 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.3.7.3 Climate anger

lrtest(test, "data.lpa_out.data.ang.z")
## # weights:  15 (8 variable)
## initial  value 662.463210 
## iter  10 value 366.500067
## final  value 363.348884 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.indif.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)   
## 1  10 -357.12                        
## 2   8 -363.35 -2 12.459   0.001971 **
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.3.7.4 Climate indifference

lrtest(test, "data.lpa_out.data.indif.z")
## # weights:  15 (8 variable)
## initial  value 662.463210 
## iter  10 value 372.738303
## final  value 361.200776 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  10 -357.12                       
## 2   8 -361.20 -2 8.1624    0.01689 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.3.8 Visualizing means of auxiliary variables across profiles

# Create a data frame
df <- data.frame(
  class=data.lpa$class,
  anx=data.lpa$data.lpa_out.data.anx.z,
  sad=data.lpa$data.lpa_out.data.sad.z,
  ang=data.lpa$data.lpa_out.data.ang.z,
  indif=data.lpa$data.lpa_out.data.indif.z
)

# Calculate profile-means
df.means <- aggregate(. ~ class, df, mean, na.rm = TRUE)
df.means
##                                             class        anx       sad
## 1   climate-resilient\n(high peb, low impairment)  0.6916940  0.736761
## 2   climate-disengaged\n(low peb, low impairment) -0.3016603 -0.291139
## 3 climate-vulnerable\n(high peb, high impairment)  0.9980014  0.849361
##          ang      indif
## 1  0.7482332 -0.5159251
## 2 -0.2913827  0.1845219
## 3  0.8322136 -0.4577540
# Melt the data 
library(reshape2)
melted_df <- melt(df.means, id.vars = "class")

# Load packages
library(ggplot2)
library(stringr)

#Plot
p.all.z.a <- ggplot(melted_df, aes(x = variable, y = value, group=class, color = class)) +
  geom_line(lwd=.3) +
  geom_point() +
  labs(y = "z-standardized means",
       x = "",
       color = "Profiles") +  
  scale_x_discrete(
    label = c(
      "Climate\nanxiety",
      "Climate\nsadness",
      "Climate\nanger",
      "Climate\nindifference")) +
  scale_color_manual(values = c("#D73027", "#FDAE61", "#4575B4")) +
  coord_cartesian(clip = "off") 

print(p.all.z.a)

# Save the plot as a PNG file
ggsave("Figure-step1.png", plot = p.all.z.a, width = 9, height = 5, dpi = 300)

# Save the plot as a PDF file
ggsave("Figure-step1.pdf", plot = p.all.z.a, width = 9, height = 5)

8.4 Step 2: Climate emotions and resilience factors as predictors

8.4.1 Run multinomial logistic regression model

Calculate logit coefficients relative to the reference category

test <- multinom(class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
                             data.lpa_out.data.ang.z + data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  33 (20 variable)
## initial  value 662.463210 
## iter  10 value 389.464376
## iter  20 value 343.619242
## iter  30 value 342.003077
## final  value 342.003071 
## converged
summary(test)
## Call:
## multinom(formula = class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z, 
##     data = data.lpa, model = TRUE)
## 
## Coefficients:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     1.9891464
## climate-vulnerable\n(high peb, high impairment)  -0.6540582
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)                -0.5104562
## climate-vulnerable\n(high peb, high impairment)               0.4682238
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)               -0.30013874
## climate-vulnerable\n(high peb, high impairment)              0.09111049
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)               -0.41632666
## climate-vulnerable\n(high peb, high impairment)              0.04422486
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                 0.302578939
## climate-vulnerable\n(high peb, high impairment)              -0.003548318
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                  -0.07087351
## climate-vulnerable\n(high peb, high impairment)                -0.34819894
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   -0.2611251
## climate-vulnerable\n(high peb, high impairment)                 -0.4503436
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                      0.08853793
## climate-vulnerable\n(high peb, high impairment)                    0.01634861
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                       -0.2393481
## climate-vulnerable\n(high peb, high impairment)                      0.2473102
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                   -0.5084209
## climate-vulnerable\n(high peb, high impairment)                 -0.3566308
## 
## Std. Errors:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     0.1654829
## climate-vulnerable\n(high peb, high impairment)   0.2606343
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)                 0.1727510
## climate-vulnerable\n(high peb, high impairment)               0.2316666
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)                 0.1879846
## climate-vulnerable\n(high peb, high impairment)               0.2516676
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)                 0.1784939
## climate-vulnerable\n(high peb, high impairment)               0.2357657
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.1651561
## climate-vulnerable\n(high peb, high impairment)                 0.2199592
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                     0.161560
## climate-vulnerable\n(high peb, high impairment)                   0.197723
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.1585208
## climate-vulnerable\n(high peb, high impairment)                  0.1994251
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.1290560
## climate-vulnerable\n(high peb, high impairment)                     0.1635984
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1569267
## climate-vulnerable\n(high peb, high impairment)                      0.2071246
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.1723658
## climate-vulnerable\n(high peb, high impairment)                  0.2289837
## 
## Residual Deviance: 684.0061 
## AIC: 724.0061

Calculate 95% confidence intervals

ci <- confint(test)
ci
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                      2.5 %      97.5 %
## (Intercept)                     1.66480598  2.31348685
## data.lpa_out.data.anx.z        -0.84904185 -0.17187054
## data.lpa_out.data.sad.z        -0.66858185  0.06830436
## data.lpa_out.data.ang.z        -0.76616832 -0.06648499
## data.lpa_out.data.indif.z      -0.02112108  0.62627896
## data.lpa_out.data.emp.pt.z     -0.38752523  0.24577822
## data.lpa_out.data.emp.ec.z     -0.57182022  0.04956996
## data.lpa_out.data.emoreg.ed.z  -0.16440723  0.34148309
## data.lpa_out.data.emoreg.ier.z -0.54691878  0.06822266
## data.lpa_out.data.natcon.z     -0.84625172 -0.17059013
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                      2.5 %      97.5 %
## (Intercept)                    -1.16489210 -0.14322439
## data.lpa_out.data.anx.z         0.01416572  0.92228194
## data.lpa_out.data.sad.z        -0.40214887  0.58436985
## data.lpa_out.data.ang.z        -0.41786738  0.50631710
## data.lpa_out.data.indif.z      -0.43466035  0.42756372
## data.lpa_out.data.emp.pt.z     -0.73572898  0.03933110
## data.lpa_out.data.emp.ec.z     -0.84120960 -0.05947764
## data.lpa_out.data.emoreg.ed.z  -0.30429838  0.33699559
## data.lpa_out.data.emoreg.ier.z -0.15864655  0.65326689
## data.lpa_out.data.natcon.z     -0.80543062  0.09216910

8.4.2 Odds Ratios

Extract the coefficients from the model and exponentiate -> show Odds ratios in relation to the impaired profile

odds <- exp(coef(test))
odds
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     7.3092920
## climate-vulnerable\n(high peb, high impairment)   0.5199315
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)                 0.6002217
## climate-vulnerable\n(high peb, high impairment)               1.5971549
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)                 0.7407154
## climate-vulnerable\n(high peb, high impairment)               1.0953900
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)                 0.6594648
## climate-vulnerable\n(high peb, high impairment)               1.0452174
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.353345
## climate-vulnerable\n(high peb, high impairment)                  0.996458
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.9315797
## climate-vulnerable\n(high peb, high impairment)                  0.7059584
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.7701845
## climate-vulnerable\n(high peb, high impairment)                  0.6374091
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                        1.092576
## climate-vulnerable\n(high peb, high impairment)                      1.016483
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.7871409
## climate-vulnerable\n(high peb, high impairment)                      1.2805763
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.6014446
## climate-vulnerable\n(high peb, high impairment)                  0.7000309

Calculate 95% confidence intervals for odds ratios

exp(ci)
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                    2.5 %     97.5 %
## (Intercept)                    5.2846478 10.1096140
## data.lpa_out.data.anx.z        0.4278247  0.8420882
## data.lpa_out.data.sad.z        0.5124348  1.0706911
## data.lpa_out.data.ang.z        0.4647906  0.9356770
## data.lpa_out.data.indif.z      0.9791004  1.8706369
## data.lpa_out.data.emp.pt.z     0.6787345  1.2786160
## data.lpa_out.data.emp.ec.z     0.5644970  1.0508191
## data.lpa_out.data.emoreg.ed.z  0.8483965  1.4070328
## data.lpa_out.data.emoreg.ier.z 0.5787303  1.0706037
## data.lpa_out.data.natcon.z     0.4290200  0.8431671
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                    2.5 %    97.5 %
## (Intercept)                    0.3119563 0.8665596
## data.lpa_out.data.anx.z        1.0142665 2.5150230
## data.lpa_out.data.sad.z        0.6688812 1.7938602
## data.lpa_out.data.ang.z        0.6584495 1.6591694
## data.lpa_out.data.indif.z      0.6474845 1.5335169
## data.lpa_out.data.emp.pt.z     0.4791560 1.0401148
## data.lpa_out.data.emp.ec.z     0.4311886 0.9422566
## data.lpa_out.data.emoreg.ed.z  0.7376407 1.4007329
## data.lpa_out.data.emoreg.ier.z 0.8532979 1.9218089
## data.lpa_out.data.natcon.z     0.4468954 1.0965502

8.4.3 Calculate p-values for regression coefficients, calculating Wald-z first

z <- summary(test)$coefficients/summary(test)$standard.errors
z
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     12.020257
## climate-vulnerable\n(high peb, high impairment)   -2.509486
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)                 -2.954868
## climate-vulnerable\n(high peb, high impairment)                2.021111
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)                -1.5966132
## climate-vulnerable\n(high peb, high impairment)               0.3620272
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)                -2.3324416
## climate-vulnerable\n(high peb, high impairment)               0.1875797
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  1.83207844
## climate-vulnerable\n(high peb, high impairment)               -0.01613171
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   -0.4386823
## climate-vulnerable\n(high peb, high impairment)                 -1.7610438
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    -1.647261
## climate-vulnerable\n(high peb, high impairment)                  -2.258209
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                      0.68604259
## climate-vulnerable\n(high peb, high impairment)                    0.09993133
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        -1.525222
## climate-vulnerable\n(high peb, high impairment)                       1.194017
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    -2.949662
## climate-vulnerable\n(high peb, high impairment)                  -1.557450
p <- (1 - pnorm(abs(z), 0, 1)) * 2
p
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)    0.00000000
## climate-vulnerable\n(high peb, high impairment)  0.01209069
##                                                 data.lpa_out.data.anx.z
## climate-disengaged\n(low peb, low impairment)               0.003128033
## climate-vulnerable\n(high peb, high impairment)             0.043268277
##                                                 data.lpa_out.data.sad.z
## climate-disengaged\n(low peb, low impairment)                 0.1103520
## climate-vulnerable\n(high peb, high impairment)               0.7173317
##                                                 data.lpa_out.data.ang.z
## climate-disengaged\n(low peb, low impairment)                0.01967747
## climate-vulnerable\n(high peb, high impairment)              0.85120611
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.06693974
## climate-vulnerable\n(high peb, high impairment)                0.98712931
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   0.66089172
## climate-vulnerable\n(high peb, high impairment)                 0.07823098
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   0.09950444
## climate-vulnerable\n(high peb, high impairment)                 0.02393260
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.4926863
## climate-vulnerable\n(high peb, high impairment)                     0.9203988
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1272038
## climate-vulnerable\n(high peb, high impairment)                      0.2324715
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                  0.003181216
## climate-vulnerable\n(high peb, high impairment)                0.119363626

8.4.4 Calculate Pseudo-R

library(DescTools)
PseudoR2(test, c("CoxSnell","Nagelkerke","McFadden", "McFaddenAdj"))
##    CoxSnell  Nagelkerke    McFadden McFaddenAdj 
##   0.3275159   0.4179067   0.2591423   0.2158177

8.4.5 Predicted probabilities for each class/profile

head(test$fitted.values,30)
##    climate-resilient\n(high peb, low impairment)
## 1                                    0.016751248
## 2                                    0.007507202
## 3                                    0.042222885
## 4                                    0.009235563
## 5                                    0.004783875
## 6                                    0.053219420
## 7                                    0.023709809
## 8                                    0.027591176
## 9                                    0.022298913
## 10                                   0.018592225
## 11                                   0.012155760
## 12                                   0.047839467
## 13                                   0.051103613
## 14                                   0.040888919
## 15                                   0.009971567
## 16                                   0.017807299
## 17                                   0.026440829
## 18                                   0.041391564
## 19                                   0.022279263
## 20                                   0.005932992
## 21                                   0.009688192
## 22                                   0.002072900
## 23                                   0.007232576
## 24                                   0.004754014
## 25                                   0.007993702
## 26                                   0.048640557
## 27                                   0.033529264
## 28                                   0.010793167
## 29                                   0.006779086
## 30                                   0.008914050
##    climate-disengaged\n(low peb, low impairment)
## 1                                      0.9738483
## 2                                      0.9768535
## 3                                      0.9502633
## 4                                      0.9810551
## 5                                      0.9902804
## 6                                      0.9374773
## 7                                      0.9667492
## 8                                      0.9609859
## 9                                      0.9714509
## 10                                     0.9735111
## 11                                     0.9836309
## 12                                     0.9424623
## 13                                     0.9086065
## 14                                     0.9453134
## 15                                     0.9856357
## 16                                     0.9680555
## 17                                     0.9639560
## 18                                     0.9502751
## 19                                     0.9654080
## 20                                     0.9882762
## 21                                     0.9847987
## 22                                     0.9951206
## 23                                     0.9890900
## 24                                     0.9894846
## 25                                     0.9879349
## 26                                     0.9436622
## 27                                     0.9613150
## 28                                     0.9839863
## 29                                     0.9891867
## 30                                     0.9891135
##    climate-vulnerable\n(high peb, high impairment)
## 1                                      0.009400424
## 2                                      0.015639276
## 3                                      0.007513795
## 4                                      0.009709363
## 5                                      0.004935707
## 6                                      0.009303251
## 7                                      0.009541033
## 8                                      0.011422954
## 9                                      0.006250229
## 10                                     0.007896654
## 11                                     0.004213375
## 12                                     0.009698196
## 13                                     0.040289851
## 14                                     0.013797631
## 15                                     0.004392714
## 16                                     0.014137221
## 17                                     0.009603209
## 18                                     0.008333367
## 19                                     0.012312737
## 20                                     0.005790763
## 21                                     0.005513109
## 22                                     0.002806510
## 23                                     0.003677442
## 24                                     0.005761344
## 25                                     0.004071448
## 26                                     0.007697220
## 27                                     0.005155735
## 28                                     0.005220568
## 29                                     0.004034185
## 30                                     0.001972436

8.4.6 Predicted profiles

head(predict(test),30)
##  [1] climate-disengaged\n(low peb, low impairment)
##  [2] climate-disengaged\n(low peb, low impairment)
##  [3] climate-disengaged\n(low peb, low impairment)
##  [4] climate-disengaged\n(low peb, low impairment)
##  [5] climate-disengaged\n(low peb, low impairment)
##  [6] climate-disengaged\n(low peb, low impairment)
##  [7] climate-disengaged\n(low peb, low impairment)
##  [8] climate-disengaged\n(low peb, low impairment)
##  [9] climate-disengaged\n(low peb, low impairment)
## [10] climate-disengaged\n(low peb, low impairment)
## [11] climate-disengaged\n(low peb, low impairment)
## [12] climate-disengaged\n(low peb, low impairment)
## [13] climate-disengaged\n(low peb, low impairment)
## [14] climate-disengaged\n(low peb, low impairment)
## [15] climate-disengaged\n(low peb, low impairment)
## [16] climate-disengaged\n(low peb, low impairment)
## [17] climate-disengaged\n(low peb, low impairment)
## [18] climate-disengaged\n(low peb, low impairment)
## [19] climate-disengaged\n(low peb, low impairment)
## [20] climate-disengaged\n(low peb, low impairment)
## [21] climate-disengaged\n(low peb, low impairment)
## [22] climate-disengaged\n(low peb, low impairment)
## [23] climate-disengaged\n(low peb, low impairment)
## [24] climate-disengaged\n(low peb, low impairment)
## [25] climate-disengaged\n(low peb, low impairment)
## [26] climate-disengaged\n(low peb, low impairment)
## [27] climate-disengaged\n(low peb, low impairment)
## [28] climate-disengaged\n(low peb, low impairment)
## [29] climate-disengaged\n(low peb, low impairment)
## [30] climate-disengaged\n(low peb, low impairment)
## 3 Levels: climate-resilient\n(high peb, low impairment) ...

8.4.7 Likelihood ratio tests

Examine significance of predictors to the model

8.4.7.1 Climate anxiety

library(lmtest)
lrtest(test, "data.lpa_out.data.anx.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 380.758860
## iter  20 value 354.989421
## final  value 354.156852 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.sad.z + data.lpa_out.data.ang.z + 
##     data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)    
## 1  20 -342.00                         
## 2  18 -354.16 -2 24.308  5.268e-06 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.4.7.2 Climate sadness

lrtest(test, "data.lpa_out.data.sad.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 366.865551
## iter  20 value 346.950834
## final  value 343.979813 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.ang.z + 
##     data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  20 -342.00                     
## 2  18 -343.98 -2 3.9535     0.1385

-> not significant predictor

8.4.7.3 Climate anger

lrtest(test, "data.lpa_out.data.ang.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 370.674068
## iter  20 value 346.720018
## final  value 345.738841 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  20 -342.00                       
## 2  18 -345.74 -2 7.4715    0.02385 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.4.7.4 Climate indifference

lrtest(test, "data.lpa_out.data.indif.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 381.182878
## iter  20 value 348.145966
## final  value 344.291781 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  20 -342.00                     
## 2  18 -344.29 -2 4.5774     0.1014

-> not significant predictor

8.4.7.5 Empathy - perspective taking

library(lmtest)
lrtest(test, "data.lpa_out.data.emp.pt.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 384.397138
## iter  20 value 345.325560
## final  value 343.652479 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  20 -342.00                     
## 2  18 -343.65 -2 3.2988     0.1922

-> not significant predictor

8.4.7.6 Empathy - empathic concern

lrtest(test, "data.lpa_out.data.emp.ec.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 381.174146
## iter  20 value 345.775040
## final  value 344.783733 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  20 -342.00                       
## 2  18 -344.78 -2 5.5613      0.062 .
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> trend

8.4.7.7 Emotion-focused coping - emotional suppression

lrtest(test, "data.lpa_out.data.emoreg.ed.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 378.261398
## iter  20 value 343.735058
## final  value 342.259946 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  20 -342.00                     
## 2  18 -342.26 -2 0.5138     0.7735

-> not significant predictor

8.4.7.8 Emotion-focused coping - emotional integration

lrtest(test, "data.lpa_out.data.emoreg.ier.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 386.932278
## iter  20 value 347.116672
## final  value 345.550027 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  20 -342.00                       
## 2  18 -345.55 -2 7.0939    0.02881 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.4.7.9 Nature connectedness

lrtest(test, "data.lpa_out.data.natcon.z")
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 384.387435
## iter  20 value 347.780184
## final  value 346.543017 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.anx.z + data.lpa_out.data.sad.z + 
##     data.lpa_out.data.ang.z + data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  20 -342.00                       
## 2  18 -346.54 -2 9.0799    0.01067 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.4.8 Visualizing means of auxiliary variables across profiles

# Create a data frame
df <- data.frame(
  class=data.lpa$class,
  anx=data.lpa$data.lpa_out.data.anx.z,
  sad=data.lpa$data.lpa_out.data.sad.z,
  ang=data.lpa$data.lpa_out.data.ang.z,
  indif=data.lpa$data.lpa_out.data.indif.z,
  emp.pt=data.lpa$data.lpa_out.data.emp.pt.z,
  emp.ec=data.lpa$data.lpa_out.data.emp.ec.z,
  emoreg.ed=data.lpa$data.lpa_out.data.emoreg.ed.z,
  emoreg.ier=data.lpa$data.lpa_out.data.emoreg.ier.z,
  natcon=data.lpa$data.lpa_out.data.natcon.z
)

# Calculate profile-means
df.means <- aggregate(. ~ class, df, mean, na.rm = TRUE)
df.means
##                                             class        anx       sad
## 1   climate-resilient\n(high peb, low impairment)  0.6916940  0.736761
## 2   climate-disengaged\n(low peb, low impairment) -0.3016603 -0.291139
## 3 climate-vulnerable\n(high peb, high impairment)  0.9980014  0.849361
##          ang      indif      emp.pt     emp.ec   emoreg.ed emoreg.ier
## 1  0.7482332 -0.5159251  0.41478159  0.5139130 -0.12037584  0.3921437
## 2 -0.2913827  0.1845219 -0.10805289 -0.1457956  0.03776484 -0.1407372
## 3  0.8322136 -0.4577540  0.08270156  0.1868570 -0.06936175  0.3513708
##       natcon
## 1  0.6214897
## 2 -0.2088794
## 3  0.4565499
# Melt the data
library(reshape2)
melted_df <- melt(df.means, id.vars = "class")

#Create secondary labels for x-axis 
library(grid)
label.1 <- textGrob("Climate emotions", gp=gpar(fontsize=11))
label.2 <- textGrob("Resilience factors", gp=gpar(fontsize=11))

# Load packages
library(ggplot2)
library(stringr)

#Plot
p.all.z.b <- ggplot(melted_df, aes(x = variable, y = value, group=class, color = class)) +
  geom_line(lwd=.3, 
          linetype = "dashed") +
  geom_point() +
  labs(y = "z-standardized means",
       x = "",
       color = "Profiles") +  
  scale_x_discrete(
    label = c(
      "Climate\nanxiety",
      "Climate\nsadness",
      "Climate\nanger",
      "Climate\nindifference",
      
      "Perspective\ntaking",
      "Empathic\nconcern",
      "Emotional\nsuppression",
      "Emotional\nintegration",
      "Nature\nconnected-\nness")) +
  scale_color_manual(
    values = c("#D73027", "#FDAE61", "#4575B4"),
    labels = c("climate-resilient\n(high peb, low impairment)" = "Climate-resilient\n(16.9%)\n", 
               "climate-disengaged\n(low peb, low impairment)" = "Climate-disengaged\n(72.8%)\n", 
               "climate-vulnerable\n(high peb, high impairment)"="Climate-vulnerable\n(10.3%)\n") 
  ) +
  geom_vline(xintercept=c(4.5), linetype='dashed', size=0.4) + 
  theme(plot.margin = unit(c(1,1,3,1), "lines")) + 
  annotation_custom(label.1,xmin=1,xmax=4,ymin=-0.8,ymax=-0.8) +  
  annotation_custom(label.2,xmin=5,xmax=9,ymin=-0.8,ymax=-0.8) + 
  coord_cartesian(clip = "off") 

print(p.all.z.b)

# Save the plot as a PNG file
ggsave("Figure-step2.png", plot = p.all.z.b, width = 9, height = 5, dpi = 300)

# Save the plot as a PDF file
ggsave("Figure-step2.pdf", plot = p.all.z.b, width = 9, height = 5)

8.5 Step 3a: Climate emotions, resilience factors, and interactions of climate emotions and perspective taking as predictors

8.5.1 Run multinomial logistic regression model

Calculate logit coefficients relative to the reference category

test <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emo.z*data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 358.010159
## iter  20 value 344.212740
## final  value 342.645103 
## converged
summary(test)
## Call:
## multinom(formula = class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z, data = data.lpa, model = TRUE)
## 
## Coefficients:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     2.0114421
## climate-vulnerable\n(high peb, high impairment)  -0.6762115
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.27956017
## climate-vulnerable\n(high peb, high impairment)                0.04233242
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                -1.0977275
## climate-vulnerable\n(high peb, high impairment)               0.5997993
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                  -0.02300551
## climate-vulnerable\n(high peb, high impairment)                -0.46746072
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   -0.2736936
## climate-vulnerable\n(high peb, high impairment)                 -0.4358796
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                      0.09387295
## climate-vulnerable\n(high peb, high impairment)                    0.02941295
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                       -0.2310959
## climate-vulnerable\n(high peb, high impairment)                      0.2259771
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                   -0.5195320
## climate-vulnerable\n(high peb, high impairment)                 -0.3743898
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                                           -0.1676334
## climate-vulnerable\n(high peb, high impairment)                                          0.1165068
## 
## Std. Errors:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     0.1652518
## climate-vulnerable\n(high peb, high impairment)   0.2611444
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.1654189
## climate-vulnerable\n(high peb, high impairment)                 0.2164466
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.1756846
## climate-vulnerable\n(high peb, high impairment)               0.2341928
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.1805663
## climate-vulnerable\n(high peb, high impairment)                  0.2527601
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.1597005
## climate-vulnerable\n(high peb, high impairment)                  0.1995281
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.1300685
## climate-vulnerable\n(high peb, high impairment)                     0.1612023
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1567148
## climate-vulnerable\n(high peb, high impairment)                      0.2057685
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.1730075
## climate-vulnerable\n(high peb, high impairment)                  0.2285834
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                                            0.1646689
## climate-vulnerable\n(high peb, high impairment)                                          0.1807640
## 
## Residual Deviance: 685.2902 
## AIC: 721.2902

Calculate 95% confidence intervals

ci <- confint(test)
ci
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                          2.5 %      97.5 %
## (Intercept)                                         1.68755448  2.33532980
## data.lpa_out.data.indif.z                          -0.04465501  0.60377534
## data.lpa_out.data.emo.z                            -1.44206298 -0.75339210
## data.lpa_out.data.emp.pt.z                         -0.37690905  0.33089802
## data.lpa_out.data.emp.ec.z                         -0.58670075  0.03931355
## data.lpa_out.data.emoreg.ed.z                      -0.16105664  0.34880254
## data.lpa_out.data.emoreg.ier.z                     -0.53825118  0.07605944
## data.lpa_out.data.natcon.z                         -0.85862042 -0.18044349
## data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z -0.49037855  0.15511179
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                         2.5 %      97.5 %
## (Intercept)                                        -1.1880451 -0.16437788
## data.lpa_out.data.indif.z                          -0.3818951  0.46655999
## data.lpa_out.data.emo.z                             0.1407898  1.05880889
## data.lpa_out.data.emp.pt.z                         -0.9628613  0.02793989
## data.lpa_out.data.emp.ec.z                         -0.8269476 -0.04481162
## data.lpa_out.data.emoreg.ed.z                      -0.2865377  0.34536364
## data.lpa_out.data.emoreg.ier.z                     -0.1773218  0.62927601
## data.lpa_out.data.natcon.z                         -0.8224049  0.07362535
## data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z -0.2377842  0.47079778

8.5.2 Odds Ratios

Extract the coefficients from the model and exponentiate -> show Odds ratios in relation to the impaired profile

odds <- exp(coef(test))
odds
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)      7.474088
## climate-vulnerable\n(high peb, high impairment)    0.508540
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.322548
## climate-vulnerable\n(high peb, high impairment)                  1.043241
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.3336284
## climate-vulnerable\n(high peb, high impairment)               1.8217532
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.9772571
## climate-vulnerable\n(high peb, high impairment)                  0.6265913
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.7605651
## climate-vulnerable\n(high peb, high impairment)                  0.6466956
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                         1.09842
## climate-vulnerable\n(high peb, high impairment)                       1.02985
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.7936634
## climate-vulnerable\n(high peb, high impairment)                      1.2535470
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.5947989
## climate-vulnerable\n(high peb, high impairment)                  0.6877088
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                                            0.8456638
## climate-vulnerable\n(high peb, high impairment)                                          1.1235652

Calculate 95% confidence intervals for odds ratios

exp(ci)
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                        2.5 %     97.5 %
## (Intercept)                                        5.4062435 10.3328672
## data.lpa_out.data.indif.z                          0.9563274  1.8290109
## data.lpa_out.data.emo.z                            0.2364395  0.4707670
## data.lpa_out.data.emp.pt.z                         0.6859785  1.3922178
## data.lpa_out.data.emp.ec.z                         0.5561592  1.0400966
## data.lpa_out.data.emoreg.ed.z                      0.8512439  1.4173693
## data.lpa_out.data.emoreg.ier.z                     0.5837683  1.0790267
## data.lpa_out.data.natcon.z                         0.4237463  0.8348999
## data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z 0.6123945  1.1677885
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                        2.5 %    97.5 %
## (Intercept)                                        0.3048166 0.8484214
## data.lpa_out.data.indif.z                          0.6825666 1.5944997
## data.lpa_out.data.emo.z                            1.1511827 2.8829350
## data.lpa_out.data.emp.pt.z                         0.3817989 1.0283339
## data.lpa_out.data.emp.ec.z                         0.4373823 0.9561776
## data.lpa_out.data.emoreg.ed.z                      0.7508587 1.4125035
## data.lpa_out.data.emoreg.ier.z                     0.8375102 1.8762517
## data.lpa_out.data.natcon.z                         0.4393737 1.0764035
## data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z 0.7883728 1.6012711

8.5.3 Calculate p-values for regression coefficients, calculating Wald-z first

z <- summary(test)$coefficients/summary(test)$standard.errors
z
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     12.171980
## climate-vulnerable\n(high peb, high impairment)   -2.589416
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.690013
## climate-vulnerable\n(high peb, high impairment)                  0.195579
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 -6.248286
## climate-vulnerable\n(high peb, high impairment)                2.561134
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   -0.1274075
## climate-vulnerable\n(high peb, high impairment)                 -1.8494248
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    -1.713793
## climate-vulnerable\n(high peb, high impairment)                  -2.184552
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.7217193
## climate-vulnerable\n(high peb, high impairment)                     0.1824599
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        -1.474627
## climate-vulnerable\n(high peb, high impairment)                       1.098210
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    -3.002945
## climate-vulnerable\n(high peb, high impairment)                  -1.637870
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                                           -1.0180025
## climate-vulnerable\n(high peb, high impairment)                                          0.6445243
p <- (1 - pnorm(abs(z), 0, 1)) * 2
p
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)   0.000000000
## climate-vulnerable\n(high peb, high impairment) 0.009613886
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.09102547
## climate-vulnerable\n(high peb, high impairment)                0.84493967
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)              4.149803e-10
## climate-vulnerable\n(high peb, high impairment)            1.043310e-02
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.8986179
## climate-vulnerable\n(high peb, high impairment)                  0.0643965
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   0.08656667
## climate-vulnerable\n(high peb, high impairment)                 0.02892172
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.4704671
## climate-vulnerable\n(high peb, high impairment)                     0.8552218
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1403128
## climate-vulnerable\n(high peb, high impairment)                      0.2721127
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                   0.00267381
## climate-vulnerable\n(high peb, high impairment)                 0.10144884
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                                            0.3086768
## climate-vulnerable\n(high peb, high impairment)                                          0.5192355

8.5.4 Calculate Pseudo-R

library(DescTools)
PseudoR2(test, c("CoxSnell","Nagelkerke","McFadden", "McFaddenAdj"))
##    CoxSnell  Nagelkerke    McFadden McFaddenAdj 
##   0.3260823   0.4160775   0.2577515   0.2187594

8.5.5 Predicted probabilities for each class/profile

head(test$fitted.values,30)
##    climate-resilient\n(high peb, low impairment)
## 1                                    0.014967060
## 2                                    0.010891708
## 3                                    0.032585973
## 4                                    0.016077293
## 5                                    0.005134503
## 6                                    0.058763223
## 7                                    0.024047932
## 8                                    0.025543508
## 9                                    0.019379619
## 10                                   0.027091320
## 11                                   0.013285034
## 12                                   0.042623451
## 13                                   0.063064792
## 14                                   0.035505468
## 15                                   0.011221025
## 16                                   0.024164999
## 17                                   0.021722647
## 18                                   0.027616667
## 19                                   0.024297365
## 20                                   0.011293892
## 21                                   0.014358169
## 22                                   0.003631341
## 23                                   0.007594386
## 24                                   0.007596807
## 25                                   0.010414446
## 26                                   0.041953718
## 27                                   0.035752181
## 28                                   0.018006260
## 29                                   0.008590571
## 30                                   0.008148901
##    climate-disengaged\n(low peb, low impairment)
## 1                                      0.9782914
## 2                                      0.9576991
## 3                                      0.9634973
## 4                                      0.9545997
## 5                                      0.9894822
## 6                                      0.9312639
## 7                                      0.9656882
## 8                                      0.9657546
## 9                                      0.9765550
## 10                                     0.9542958
## 11                                     0.9810637
## 12                                     0.9505740
## 13                                     0.8692859
## 14                                     0.9553810
## 15                                     0.9835084
## 16                                     0.9512385
## 17                                     0.9722854
## 18                                     0.9690337
## 19                                     0.9596634
## 20                                     0.9674968
## 21                                     0.9738768
## 22                                     0.9875238
## 23                                     0.9885906
## 24                                     0.9781537
## 25                                     0.9825285
## 26                                     0.9529433
## 27                                     0.9586114
## 28                                     0.9681873
## 29                                     0.9851148
## 30                                     0.9902985
##    climate-vulnerable\n(high peb, high impairment)
## 1                                      0.006741574
## 2                                      0.031409192
## 3                                      0.003916690
## 4                                      0.029323049
## 5                                      0.005383317
## 6                                      0.009972855
## 7                                      0.010263822
## 8                                      0.008701887
## 9                                      0.004065361
## 10                                     0.018612839
## 11                                     0.005651240
## 12                                     0.006802503
## 13                                     0.067649261
## 14                                     0.009113497
## 15                                     0.005270529
## 16                                     0.024596491
## 17                                     0.005991998
## 18                                     0.003349638
## 19                                     0.016039213
## 20                                     0.021209288
## 21                                     0.011765055
## 22                                     0.008844809
## 23                                     0.003814979
## 24                                     0.014249489
## 25                                     0.007057055
## 26                                     0.005103028
## 27                                     0.005636372
## 28                                     0.013806448
## 29                                     0.006294605
## 30                                     0.001552584

8.5.6 Predicted profiles

head(predict(test),30)
##  [1] climate-disengaged\n(low peb, low impairment)
##  [2] climate-disengaged\n(low peb, low impairment)
##  [3] climate-disengaged\n(low peb, low impairment)
##  [4] climate-disengaged\n(low peb, low impairment)
##  [5] climate-disengaged\n(low peb, low impairment)
##  [6] climate-disengaged\n(low peb, low impairment)
##  [7] climate-disengaged\n(low peb, low impairment)
##  [8] climate-disengaged\n(low peb, low impairment)
##  [9] climate-disengaged\n(low peb, low impairment)
## [10] climate-disengaged\n(low peb, low impairment)
## [11] climate-disengaged\n(low peb, low impairment)
## [12] climate-disengaged\n(low peb, low impairment)
## [13] climate-disengaged\n(low peb, low impairment)
## [14] climate-disengaged\n(low peb, low impairment)
## [15] climate-disengaged\n(low peb, low impairment)
## [16] climate-disengaged\n(low peb, low impairment)
## [17] climate-disengaged\n(low peb, low impairment)
## [18] climate-disengaged\n(low peb, low impairment)
## [19] climate-disengaged\n(low peb, low impairment)
## [20] climate-disengaged\n(low peb, low impairment)
## [21] climate-disengaged\n(low peb, low impairment)
## [22] climate-disengaged\n(low peb, low impairment)
## [23] climate-disengaged\n(low peb, low impairment)
## [24] climate-disengaged\n(low peb, low impairment)
## [25] climate-disengaged\n(low peb, low impairment)
## [26] climate-disengaged\n(low peb, low impairment)
## [27] climate-disengaged\n(low peb, low impairment)
## [28] climate-disengaged\n(low peb, low impairment)
## [29] climate-disengaged\n(low peb, low impairment)
## [30] climate-disengaged\n(low peb, low impairment)
## 3 Levels: climate-resilient\n(high peb, low impairment) ...

8.5.7 Likelihood ratio tests

Examine significance of predictors to the model

8.5.7.1 Climate emotions

library(lmtest)
lrtest(test, "data.lpa_out.data.emo.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 404.419769
## iter  20 value 390.994231
## final  value 390.891160 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)    
## 1  18 -342.65                         
## 2  16 -390.89 -2 96.492  < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.5.7.2 Climate indifference

lrtest(test, "data.lpa_out.data.indif.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.450663
## iter  20 value 344.598240
## final  value 344.392911 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.emo.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -342.65                     
## 2  16 -344.39 -2 3.4956     0.1742

-> not significant predictor

8.5.7.3 Empathy - perspective taking

library(lmtest)
lrtest(test, "data.lpa_out.data.emp.pt.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 353.632746
## iter  20 value 345.513721
## final  value 344.833412 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -342.65                     
## 2  16 -344.83 -2 4.3766     0.1121

-> not significant predictor

8.5.7.4 Climate emotions * Empathy - perspective taking

# Reduced model without interaction
test_no_int <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emo.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.649244
## iter  20 value 344.479611
## final  value 344.028777 
## converged
# Likelihood ratio test
lrtest(test, test_no_int)
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -342.65                     
## 2  16 -344.03 -2 2.7673     0.2507

-> not significant predictor

8.5.7.5 Empathy - empathic concern

lrtest(test, "data.lpa_out.data.emp.ec.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 357.164270
## iter  20 value 345.802081
## final  value 345.342027 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -342.65                       
## 2  16 -345.34 -2 5.3938    0.06741 .
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> trend

8.5.7.6 Emotion-focused coping - emotional suppression

lrtest(test, "data.lpa_out.data.emoreg.ed.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.872209
## iter  20 value 343.351747
## final  value 342.915222 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -342.65                     
## 2  16 -342.92 -2 0.5402     0.7633

-> not significant predictor

8.5.7.7 Emotion-focused coping - emotional integration

lrtest(test, "data.lpa_out.data.emoreg.ier.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 356.249963
## iter  20 value 346.289602
## final  value 345.869410 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -342.65                       
## 2  16 -345.87 -2 6.4486    0.03978 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.5.7.8 Nature connectedness

lrtest(test, "data.lpa_out.data.natcon.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 355.090935
## iter  20 value 347.453941
## final  value 347.364138 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.pt.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)   
## 1  18 -342.65                        
## 2  16 -347.36 -2 9.4381   0.008924 **
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.5.8 Visualizing interactions

# Simplified variable names
df <- data.frame(
  class.rel=data.lpa$class.rel,
  emo=data.lpa$data.lpa_out.data.emo.z,
  indif=data.lpa$data.lpa_out.data.indif.z,
  emp.pt=data.lpa$data.lpa_out.data.emp.pt.z,
  emp.ec=data.lpa$data.lpa_out.data.emp.ec.z,
  emoreg.ed=data.lpa$data.lpa_out.data.emoreg.ed.z,
  emoreg.ier=data.lpa$data.lpa_out.data.emoreg.ier.z,
  natcon=data.lpa$data.lpa_out.data.natcon.z
)

test <- multinom(class.rel ~ indif + emo*emp.pt + emp.ec +
                   emoreg.ier + emoreg.ed + natcon,
                 data = df, model = TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 358.010159
## iter  20 value 344.212740
## final  value 342.645103 
## converged
# Predicted probabilities for interaction
preds <- ggpredict(test,
                   terms = c("emo [-2:2 by=.5]", "emp.pt [-1,1]"))

df_preds <- as.data.frame(preds)

# Relabeling legend 
df_preds$group <- factor(df_preds$group,
                         levels = c(-1, 1),
                         labels = c("-1 SD", "+1 SD"))

# Plotting with ggplot
step3.int.pt <- ggplot(df_preds, aes(x = x, y = predicted,
                                  group = group, color = group)) +
  geom_line(lwd =.3) +
  geom_point() +
  facet_wrap(~ response.level) +  
  labs(x = "Climate emotions (z-standardized)",
       y = "Predicted probability of profile membership",
       color = NULL) +
  theme(
    plot.title.position = "plot",   
    plot.title = element_text(hjust = 0, size = 14)
  ) +
  scale_color_manual(values = c("#fed789", "#476F84"),
                     labels = c("climate-resilient\n(high peb, low impairment)" = "Climate-resilient\n(16.9%)\n", 
               "climate-disengaged\n(low peb, low impairment)" = "Climate-disengaged\n(72.8%)\n", 
               "climate-vulnerable\n(high peb, high impairment)"="Climate-vulnerable\n(10.3%)\n")
  ) +
  coord_cartesian(clip = "off")

print(step3.int.pt)

# Plotting with plot function
step3.int.pt.simp <- plot(preds) +
  scale_color_manual(values = c("#D73027", "#FDAE61", "#4575B4")) +
  labs(x = "Climate emotions (z-standardized)", 
       y = "Predicted probability of profile membership",
       color = "Perspective taking (z-standardized)")
## Scale for colour is already present.
## Adding another scale for colour, which will replace the existing scale.
print(step3.int.pt.simp)
## Ignoring unknown labels:
## • linetype : "emp.pt"
## • shape : "emp.pt"

# Save the plot as a PNG file
ggsave("Figure-step3.int.pt.png", plot = step3.int.pt, width = 9, height = 5, dpi = 300)
ggsave("Figure-step3.int.pt.simp.png", plot = step3.int.pt, width = 9, height = 5, dpi = 300)

# Save the plot as a PDF file
ggsave("Figure-step3.int.pt.pdf", plot = step3.int.pt, width = 9, height = 5)
ggsave("Figure-step3.int.pt.simp.pdf", plot = step3.int.pt, width = 9, height = 5)

8.6 Step 3b: Climate emotions, resilience factors, and interactions of climate emotions and empathic concern as predictors

8.6.1 Run multinomial logistic regression model

Calculate logit coefficients relative to the reference category

test <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emo.z*data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 353.905712
## iter  20 value 340.485443
## final  value 339.681681 
## converged
summary(test)
## Call:
## multinom(formula = class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z, 
##     data = data.lpa, model = TRUE)
## 
## Coefficients:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     2.0399885
## climate-vulnerable\n(high peb, high impairment)  -0.7467523
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.28145663
## climate-vulnerable\n(high peb, high impairment)                0.07891352
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                  -0.07255442
## climate-vulnerable\n(high peb, high impairment)                -0.29163851
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                -1.1421995
## climate-vulnerable\n(high peb, high impairment)               0.5763843
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   -0.3244370
## climate-vulnerable\n(high peb, high impairment)                 -0.7857971
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                      0.08943659
## climate-vulnerable\n(high peb, high impairment)                    0.02667071
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                       -0.2486517
## climate-vulnerable\n(high peb, high impairment)                      0.1705371
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                   -0.5109482
## climate-vulnerable\n(high peb, high impairment)                 -0.3693300
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                                          -0.05183047
## climate-vulnerable\n(high peb, high impairment)                                         0.38191422
## 
## Std. Errors:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     0.1702067
## climate-vulnerable\n(high peb, high impairment)   0.2720279
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.1667709
## climate-vulnerable\n(high peb, high impairment)                 0.2155493
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.1616405
## climate-vulnerable\n(high peb, high impairment)                  0.1974179
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.1830502
## climate-vulnerable\n(high peb, high impairment)               0.2448527
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.1849922
## climate-vulnerable\n(high peb, high impairment)                  0.2473899
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.1298719
## climate-vulnerable\n(high peb, high impairment)                     0.1610910
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1575112
## climate-vulnerable\n(high peb, high impairment)                      0.2042890
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.1731516
## climate-vulnerable\n(high peb, high impairment)                  0.2278840
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                                            0.1709026
## climate-vulnerable\n(high peb, high impairment)                                          0.1735837
## 
## Residual Deviance: 679.3634 
## AIC: 715.3634

Calculate 95% confidence intervals

ci <- confint(test)
ci
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                          2.5 %      97.5 %
## (Intercept)                                         1.70638954  2.37358744
## data.lpa_out.data.indif.z                          -0.04540839  0.60832166
## data.lpa_out.data.emp.pt.z                         -0.38936397  0.24425513
## data.lpa_out.data.emo.z                            -1.50097131 -0.78342771
## data.lpa_out.data.emp.ec.z                         -0.68701513  0.03814110
## data.lpa_out.data.emoreg.ed.z                      -0.16510758  0.34398075
## data.lpa_out.data.emoreg.ier.z                     -0.55736802  0.06006469
## data.lpa_out.data.natcon.z                         -0.85031907 -0.17157731
## data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z -0.38679336  0.28313243
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                          2.5 %      97.5 %
## (Intercept)                                        -1.27991714 -0.21358748
## data.lpa_out.data.indif.z                          -0.34355534  0.50138238
## data.lpa_out.data.emp.pt.z                         -0.67857043  0.09529342
## data.lpa_out.data.emo.z                             0.09648184  1.05628673
## data.lpa_out.data.emp.ec.z                         -1.27067247 -0.30092180
## data.lpa_out.data.emoreg.ed.z                      -0.28906177  0.34240318
## data.lpa_out.data.emoreg.ier.z                     -0.22986202  0.57093614
## data.lpa_out.data.natcon.z                         -0.81597446  0.07731439
## data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z  0.04169637  0.72213208

8.6.2 Odds Ratios

Extract the coefficients from the model and exponentiate -> show Odds ratios in relation to the impaired profile

odds <- exp(coef(test))
odds
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     7.6905207
## climate-vulnerable\n(high peb, high impairment)   0.4739031
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.325059
## climate-vulnerable\n(high peb, high impairment)                  1.082111
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.9300151
## climate-vulnerable\n(high peb, high impairment)                  0.7470385
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.3191163
## climate-vulnerable\n(high peb, high impairment)               1.7795923
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.7229342
## climate-vulnerable\n(high peb, high impairment)                  0.4557563
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                        1.093558
## climate-vulnerable\n(high peb, high impairment)                      1.027030
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.7798516
## climate-vulnerable\n(high peb, high impairment)                      1.1859416
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.5999265
## climate-vulnerable\n(high peb, high impairment)                  0.6911973
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                                            0.9494898
## climate-vulnerable\n(high peb, high impairment)                                          1.4650864

Calculate 95% confidence intervals for odds ratios

exp(ci)
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                        2.5 %     97.5 %
## (Intercept)                                        5.5090354 10.7358374
## data.lpa_out.data.indif.z                          0.9556071  1.8373451
## data.lpa_out.data.emp.pt.z                         0.6774876  1.2766700
## data.lpa_out.data.emo.z                            0.2229135  0.4568374
## data.lpa_out.data.emp.ec.z                         0.5030754  1.0388778
## data.lpa_out.data.emoreg.ed.z                      0.8478025  1.4105515
## data.lpa_out.data.emoreg.ier.z                     0.5727145  1.0619052
## data.lpa_out.data.natcon.z                         0.4272786  0.8423351
## data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z 0.6792314  1.3272809
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                        2.5 %    97.5 %
## (Intercept)                                        0.2780603 0.8076815
## data.lpa_out.data.indif.z                          0.7092442 1.6510020
## data.lpa_out.data.emp.pt.z                         0.5073418 1.0999816
## data.lpa_out.data.emo.z                            1.1012896 2.8756730
## data.lpa_out.data.emp.ec.z                         0.2806428 0.7401356
## data.lpa_out.data.emoreg.ed.z                      0.7489659 1.4083280
## data.lpa_out.data.emoreg.ier.z                     0.7946432 1.7699232
## data.lpa_out.data.natcon.z                         0.4422082 1.0803817
## data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z 1.0425779 2.0588181

8.6.3 Calculate p-values for regression coefficients, calculating Wald-z first

z <- summary(test)$coefficients/summary(test)$standard.errors
z
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     11.985361
## climate-vulnerable\n(high peb, high impairment)   -2.745132
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   1.6876840
## climate-vulnerable\n(high peb, high impairment)                 0.3661043
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   -0.4488629
## climate-vulnerable\n(high peb, high impairment)                 -1.4772650
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 -6.239816
## climate-vulnerable\n(high peb, high impairment)                2.354004
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    -1.753787
## climate-vulnerable\n(high peb, high impairment)                  -3.176351
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.6886526
## climate-vulnerable\n(high peb, high impairment)                     0.1655630
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                       -1.5786281
## climate-vulnerable\n(high peb, high impairment)                      0.8347834
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    -2.950872
## climate-vulnerable\n(high peb, high impairment)                  -1.620693
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                                           -0.3032749
## climate-vulnerable\n(high peb, high impairment)                                          2.2001729
p <- (1 - pnorm(abs(z), 0, 1)) * 2
p
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)   0.000000000
## climate-vulnerable\n(high peb, high impairment) 0.006048664
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.09147191
## climate-vulnerable\n(high peb, high impairment)                0.71428727
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.6535306
## climate-vulnerable\n(high peb, high impairment)                  0.1396046
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)              4.380869e-10
## climate-vulnerable\n(high peb, high impairment)            1.857239e-02
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                  0.079466970
## climate-vulnerable\n(high peb, high impairment)                0.001491406
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.4910419
## climate-vulnerable\n(high peb, high impairment)                     0.8685008
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1144214
## climate-vulnerable\n(high peb, high impairment)                      0.4038397
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                  0.003168781
## climate-vulnerable\n(high peb, high impairment)                0.105083456
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                                           0.76168035
## climate-vulnerable\n(high peb, high impairment)                                         0.02779463

8.6.4 Calculate Pseudo-R

library(DescTools)
PseudoR2(test, c("CoxSnell","Nagelkerke","McFadden", "McFaddenAdj"))
##    CoxSnell  Nagelkerke    McFadden McFaddenAdj 
##   0.3326738   0.4244881   0.2641710   0.2251788

8.6.5 Predicted probabilities for each class/profile

head(test$fitted.values,30)
##    climate-resilient\n(high peb, low impairment)
## 1                                    0.014001186
## 2                                    0.006160098
## 3                                    0.035322044
## 4                                    0.008286486
## 5                                    0.003994997
## 6                                    0.049766035
## 7                                    0.022315394
## 8                                    0.023917021
## 9                                    0.019189925
## 10                                   0.016077850
## 11                                   0.010619373
## 12                                   0.045689995
## 13                                   0.050189989
## 14                                   0.036628192
## 15                                   0.008649811
## 16                                   0.016052704
## 17                                   0.025907459
## 18                                   0.041223816
## 19                                   0.021608548
## 20                                   0.005213032
## 21                                   0.008560331
## 22                                   0.001800102
## 23                                   0.006378683
## 24                                   0.004084448
## 25                                   0.007711910
## 26                                   0.048743300
## 27                                   0.033231783
## 28                                   0.009685722
## 29                                   0.006094929
## 30                                   0.007975393
##    climate-disengaged\n(low peb, low impairment)
## 1                                      0.9788258
## 2                                      0.9589979
## 3                                      0.9628556
## 4                                      0.9831580
## 5                                      0.9856608
## 6                                      0.9430694
## 7                                      0.9666431
## 8                                      0.9528689
## 9                                      0.9668713
## 10                                     0.9760927
## 11                                     0.9877676
## 12                                     0.9440746
## 13                                     0.9105754
## 14                                     0.9474537
## 15                                     0.9808264
## 16                                     0.9188417
## 17                                     0.9659686
## 18                                     0.9554268
## 19                                     0.9596992
## 20                                     0.9893727
## 21                                     0.9842275
## 22                                     0.9885883
## 23                                     0.9808425
## 24                                     0.9521050
## 25                                     0.9872273
## 26                                     0.9470349
## 27                                     0.9645061
## 28                                     0.9831133
## 29                                     0.9860526
## 30                                     0.9887841
##    climate-vulnerable\n(high peb, high impairment)
## 1                                      0.007173043
## 2                                      0.034841961
## 3                                      0.001822387
## 4                                      0.008555488
## 5                                      0.010344235
## 6                                      0.007164544
## 7                                      0.011041515
## 8                                      0.023214108
## 9                                      0.013938805
## 10                                     0.007829451
## 11                                     0.001613061
## 12                                     0.010235378
## 13                                     0.039234599
## 14                                     0.015918078
## 15                                     0.010523821
## 16                                     0.065105576
## 17                                     0.008123915
## 18                                     0.003349351
## 19                                     0.018692258
## 20                                     0.005414279
## 21                                     0.007212120
## 22                                     0.009611602
## 23                                     0.012778799
## 24                                     0.043810598
## 25                                     0.005060832
## 26                                     0.004221804
## 27                                     0.002262135
## 28                                     0.007200965
## 29                                     0.007852515
## 30                                     0.003240522

8.6.6 Predicted profiles

head(predict(test),30)
##  [1] climate-disengaged\n(low peb, low impairment)
##  [2] climate-disengaged\n(low peb, low impairment)
##  [3] climate-disengaged\n(low peb, low impairment)
##  [4] climate-disengaged\n(low peb, low impairment)
##  [5] climate-disengaged\n(low peb, low impairment)
##  [6] climate-disengaged\n(low peb, low impairment)
##  [7] climate-disengaged\n(low peb, low impairment)
##  [8] climate-disengaged\n(low peb, low impairment)
##  [9] climate-disengaged\n(low peb, low impairment)
## [10] climate-disengaged\n(low peb, low impairment)
## [11] climate-disengaged\n(low peb, low impairment)
## [12] climate-disengaged\n(low peb, low impairment)
## [13] climate-disengaged\n(low peb, low impairment)
## [14] climate-disengaged\n(low peb, low impairment)
## [15] climate-disengaged\n(low peb, low impairment)
## [16] climate-disengaged\n(low peb, low impairment)
## [17] climate-disengaged\n(low peb, low impairment)
## [18] climate-disengaged\n(low peb, low impairment)
## [19] climate-disengaged\n(low peb, low impairment)
## [20] climate-disengaged\n(low peb, low impairment)
## [21] climate-disengaged\n(low peb, low impairment)
## [22] climate-disengaged\n(low peb, low impairment)
## [23] climate-disengaged\n(low peb, low impairment)
## [24] climate-disengaged\n(low peb, low impairment)
## [25] climate-disengaged\n(low peb, low impairment)
## [26] climate-disengaged\n(low peb, low impairment)
## [27] climate-disengaged\n(low peb, low impairment)
## [28] climate-disengaged\n(low peb, low impairment)
## [29] climate-disengaged\n(low peb, low impairment)
## [30] climate-disengaged\n(low peb, low impairment)
## 3 Levels: climate-resilient\n(high peb, low impairment) ...

8.6.7 Likelihood ratio tests

Examine significance of predictors to the model

8.6.7.1 Climate emotions

library(lmtest)
lrtest(test, "data.lpa_out.data.emo.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 402.086601
## iter  20 value 388.145870
## final  value 387.414455 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)    
## 1  18 -339.68                         
## 2  16 -387.41 -2 95.466  < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.6.7.2 Climate indifference

lrtest(test, "data.lpa_out.data.indif.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 350.016628
## iter  20 value 341.627030
## final  value 341.310055 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.emp.pt.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -339.68                     
## 2  16 -341.31 -2 3.2567     0.1962

-> not significant predictor

8.6.7.3 Empathy - perspective taking

library(lmtest)
lrtest(test, "data.lpa_out.data.emp.pt.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 351.670054
## iter  20 value 342.125617
## final  value 340.813760 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -339.68                     
## 2  16 -340.81 -2 2.2642     0.3224

-> not significant predictor

8.6.7.4 Empathy - empathic concern

lrtest(test, "data.lpa_out.data.emp.ec.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.451791
## iter  20 value 345.111060
## final  value 344.859923 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)   
## 1  18 -339.68                        
## 2  16 -344.86 -2 10.357   0.005638 **
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.6.7.5 Climate emotions * Empathy - empathic concern

# Reduced model without interaction
test_no_int <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emo.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.649244
## iter  20 value 344.479611
## final  value 344.028777 
## converged
# Likelihood ratio test
lrtest(test, test_no_int)
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -339.68                       
## 2  16 -344.03 -2 8.6942    0.01294 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.6.7.6 Emotion-focused coping - emotional suppression

lrtest(test, "data.lpa_out.data.emoreg.ed.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 353.758734
## iter  20 value 340.193896
## final  value 339.928552 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -339.68                     
## 2  16 -339.93 -2 0.4937     0.7812

-> not significant predictor

8.6.7.7 Emotion-focused coping - emotional integration

lrtest(test, "data.lpa_out.data.emoreg.ier.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.882612
## iter  20 value 342.913744
## final  value 342.633653 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -339.68                       
## 2  16 -342.63 -2 5.9039    0.05224 .
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> trend

8.6.7.8 Nature connectedness

lrtest(test, "data.lpa_out.data.natcon.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.147709
## iter  20 value 344.837018
## final  value 344.242639 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z:data.lpa_out.data.emp.ec.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -339.68                       
## 2  16 -344.24 -2 9.1219    0.01045 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.6.8 Visualizing interactions

# Simplified variable names
df <- data.frame(
  class.rel=data.lpa$class.rel,
  emo=data.lpa$data.lpa_out.data.emo.z,
  indif=data.lpa$data.lpa_out.data.indif.z,
  emp.pt=data.lpa$data.lpa_out.data.emp.pt.z,
  emp.ec=data.lpa$data.lpa_out.data.emp.ec.z,
  emoreg.ed=data.lpa$data.lpa_out.data.emoreg.ed.z,
  emoreg.ier=data.lpa$data.lpa_out.data.emoreg.ier.z,
  natcon=data.lpa$data.lpa_out.data.natcon.z
)

test <- multinom(class.rel ~ indif + emp.pt + emo*emp.ec +
                   emoreg.ier + emoreg.ed + natcon,
                 data = df, model = TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 353.905712
## iter  20 value 340.485443
## final  value 339.681681 
## converged
# Predicted probabilities for interaction
preds <- ggpredict(test,
                   terms = c("emo [-2:2 by=.5]", "emp.ec [-1,1]"))

df_preds <- as.data.frame(preds)

# Relabeling legend 
df_preds$group <- factor(df_preds$group,
                         levels = c(-1, 1),
                         labels = c("-1 SD", "+1 SD"))

# Plotting with ggplot
step3.int.ec <- ggplot(df_preds, aes(x = x, y = predicted,
                                  group = group, color = group)) +
  geom_line(lwd =.3) +
  geom_point() +
  facet_wrap(~ response.level) +   
  labs(x = "Climate emotions (z-standardized)",
       y = "Predicted probability of profile membership",
       color = NULL) +
  theme(
    plot.title.position = "plot",   
    plot.title = element_text(hjust = 0, size = 14)
  ) +
  scale_color_manual(values = c("#fed789", "#476F84"),
                     labels = c("climate-resilient\n(high peb, low impairment)" = "Climate-resilient\n(16.9%)\n", 
               "climate-disengaged\n(low peb, low impairment)" = "Climate-disengaged\n(72.8%)\n", 
               "climate-vulnerable\n(high peb, high impairment)"="Climate-vulnerable\n(10.3%)\n") 
  ) +
  coord_cartesian(clip = "off")

print(step3.int.ec)

# Plotting with plot function
step3.int.ec.simp <- plot(preds) +
  scale_color_manual(values = c("#D73027", "#FDAE61", "#4575B4")) +
  labs(x = "Climate emotions (z-standardized)", 
       y = "Predicted probability of profile membership",
       color = "Empathic concern (z-standardized)")
## Scale for colour is already present.
## Adding another scale for colour, which will replace the existing scale.
print(step3.int.ec.simp)
## Ignoring unknown labels:
## • linetype : "emp.ec"
## • shape : "emp.ec"

# Save the plot as a PNG file
ggsave("Figure-step3.int.ec.png", plot = step3.int.ec, width = 9, height = 5, dpi = 300)
ggsave("Figure-step3.int.ec.simp.png", plot = step3.int.ec, width = 9, height = 5, dpi = 300)

# Save the plot as a PDF file
ggsave("Figure-step3.int.ec.pdf", plot = step3.int.ec, width = 9, height = 5)
ggsave("Figure-step3.int.ec.simp.pdf", plot = step3.int.ec, width = 9, height = 5)

8.7 Step 3c: Climate emotions, resilience factors, and interactions of climate emotions and emotional suppression as predictors

8.7.1 Run multinomial logistic regression model

Calculate logit coefficients relative to the reference category

test <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emo.z*data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 358.480230
## iter  20 value 344.504790
## final  value 343.301648 
## converged
summary(test)
## Call:
## multinom(formula = class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z, 
##     data = data.lpa, model = TRUE)
## 
## Coefficients:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     2.0006544
## climate-vulnerable\n(high peb, high impairment)  -0.6339798
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.30039252
## climate-vulnerable\n(high peb, high impairment)                0.02735045
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   -0.0766157
## climate-vulnerable\n(high peb, high impairment)                 -0.3592860
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   -0.2657508
## climate-vulnerable\n(high peb, high impairment)                 -0.4511413
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                -1.0901544
## climate-vulnerable\n(high peb, high impairment)               0.5830399
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                     -0.01661084
## climate-vulnerable\n(high peb, high impairment)                   -0.14920901
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                       -0.2321592
## climate-vulnerable\n(high peb, high impairment)                      0.2470129
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                   -0.4950646
## climate-vulnerable\n(high peb, high impairment)                 -0.3736265
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                                               0.1578093
## climate-vulnerable\n(high peb, high impairment)                                             0.1762562
## 
## Std. Errors:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     0.1661908
## climate-vulnerable\n(high peb, high impairment)   0.2602664
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.1649044
## climate-vulnerable\n(high peb, high impairment)                 0.2193698
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.1615716
## climate-vulnerable\n(high peb, high impairment)                  0.1982972
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.1581357
## climate-vulnerable\n(high peb, high impairment)                  0.1992558
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.1727558
## climate-vulnerable\n(high peb, high impairment)               0.2325525
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.1539317
## climate-vulnerable\n(high peb, high impairment)                     0.2534737
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1564643
## climate-vulnerable\n(high peb, high impairment)                      0.2070581
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.1721753
## climate-vulnerable\n(high peb, high impairment)                  0.2289367
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                                               0.1513205
## climate-vulnerable\n(high peb, high impairment)                                             0.1867438
## 
## Residual Deviance: 686.6033 
## AIC: 722.6033

Calculate 95% confidence intervals

ci <- confint(test)
ci
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                             2.5 %      97.5 %
## (Intercept)                                            1.67492652  2.32638231
## data.lpa_out.data.indif.z                             -0.02281412  0.62359916
## data.lpa_out.data.emp.pt.z                            -0.39329015  0.24005875
## data.lpa_out.data.emp.ec.z                            -0.57569113  0.04418948
## data.lpa_out.data.emo.z                               -1.42874951 -0.75155925
## data.lpa_out.data.emoreg.ed.z                         -0.31831142  0.28508973
## data.lpa_out.data.emoreg.ier.z                        -0.53882353  0.07450506
## data.lpa_out.data.natcon.z                            -0.83252197 -0.15760718
## data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z -0.13877352  0.45439211
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                            2.5 %      97.5 %
## (Intercept)                                           -1.1440926 -0.12386707
## data.lpa_out.data.indif.z                             -0.4026064  0.45730731
## data.lpa_out.data.emp.pt.z                            -0.7479414  0.02936949
## data.lpa_out.data.emp.ec.z                            -0.8416754 -0.06060712
## data.lpa_out.data.emo.z                                0.1272453  1.03883449
## data.lpa_out.data.emoreg.ed.z                         -0.6460084  0.34759035
## data.lpa_out.data.emoreg.ier.z                        -0.1588135  0.65283940
## data.lpa_out.data.natcon.z                            -0.8223342  0.07508112
## data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z -0.1897549  0.54226735

8.7.2 Odds Ratios

Extract the coefficients from the model and exponentiate -> show Odds ratios in relation to the impaired profile

odds <- exp(coef(test))
odds
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     7.3938932
## climate-vulnerable\n(high peb, high impairment)   0.5304764
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.350389
## climate-vulnerable\n(high peb, high impairment)                  1.027728
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.9262457
## climate-vulnerable\n(high peb, high impairment)                  0.6981747
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.7666301
## climate-vulnerable\n(high peb, high impairment)                  0.6369009
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.3361646
## climate-vulnerable\n(high peb, high impairment)               1.7914760
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.9835264
## climate-vulnerable\n(high peb, high impairment)                     0.8613891
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.7928199
## climate-vulnerable\n(high peb, high impairment)                      1.2801957
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.6095315
## climate-vulnerable\n(high peb, high impairment)                  0.6882339
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                                                1.170943
## climate-vulnerable\n(high peb, high impairment)                                              1.192744

Calculate 95% confidence intervals for odds ratios

exp(ci)
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                           2.5 %     97.5 %
## (Intercept)                                           5.3384029 10.2408263
## data.lpa_out.data.indif.z                             0.9774442  1.8656307
## data.lpa_out.data.emp.pt.z                            0.6748329  1.2713238
## data.lpa_out.data.emp.ec.z                            0.5623161  1.0451804
## data.lpa_out.data.emo.z                               0.2396084  0.4716306
## data.lpa_out.data.emoreg.ed.z                         0.7273762  1.3298814
## data.lpa_out.data.emoreg.ier.z                        0.5834342  1.0773508
## data.lpa_out.data.natcon.z                            0.4349510  0.8541853
## data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z 0.8704251  1.5752155
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                           2.5 %    97.5 %
## (Intercept)                                           0.3185128 0.8834973
## data.lpa_out.data.indif.z                             0.6685752 1.5798143
## data.lpa_out.data.emp.pt.z                            0.4733400 1.0298050
## data.lpa_out.data.emp.ec.z                            0.4309878 0.9411929
## data.lpa_out.data.emo.z                               1.1356955 2.8259215
## data.lpa_out.data.emoreg.ed.z                         0.5241338 1.4156522
## data.lpa_out.data.emoreg.ier.z                        0.8531555 1.9209875
## data.lpa_out.data.natcon.z                            0.4394048 1.0779716
## data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z 0.8271618 1.7199021

8.7.3 Calculate p-values for regression coefficients, calculating Wald-z first

z <- summary(test)$coefficients/summary(test)$standard.errors
z
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     12.038301
## climate-vulnerable\n(high peb, high impairment)   -2.435888
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   1.8216164
## climate-vulnerable\n(high peb, high impairment)                 0.1246774
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   -0.4741905
## climate-vulnerable\n(high peb, high impairment)                 -1.8118556
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    -1.680524
## climate-vulnerable\n(high peb, high impairment)                  -2.264131
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 -6.310378
## climate-vulnerable\n(high peb, high impairment)                2.507132
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                      -0.1079105
## climate-vulnerable\n(high peb, high impairment)                    -0.5886567
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        -1.483785
## climate-vulnerable\n(high peb, high impairment)                       1.192964
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    -2.875352
## climate-vulnerable\n(high peb, high impairment)                  -1.632008
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                                               1.0428808
## climate-vulnerable\n(high peb, high impairment)                                             0.9438396
p <- (1 - pnorm(abs(z), 0, 1)) * 2
p
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)    0.00000000
## climate-vulnerable\n(high peb, high impairment)  0.01485528
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.06851321
## climate-vulnerable\n(high peb, high impairment)                0.90077897
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   0.63536408
## climate-vulnerable\n(high peb, high impairment)                 0.07000852
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   0.09285546
## climate-vulnerable\n(high peb, high impairment)                 0.02356603
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)              2.783545e-10
## climate-vulnerable\n(high peb, high impairment)            1.217153e-02
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.9140667
## climate-vulnerable\n(high peb, high impairment)                     0.5560916
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1378661
## climate-vulnerable\n(high peb, high impairment)                      0.2328833
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                  0.004035775
## climate-vulnerable\n(high peb, high impairment)                0.102677768
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                                               0.2970035
## climate-vulnerable\n(high peb, high impairment)                                             0.3452516

8.7.4 Calculate Pseudo-R

library(DescTools)
PseudoR2(test, c("CoxSnell","Nagelkerke","McFadden", "McFaddenAdj"))
##    CoxSnell  Nagelkerke    McFadden McFaddenAdj 
##   0.3246132   0.4142029   0.2563293   0.2173371

8.7.5 Predicted probabilities for each class/profile

head(test$fitted.values,30)
##    climate-resilient\n(high peb, low impairment)
## 1                                    0.012110400
## 2                                    0.008891217
## 3                                    0.040463724
## 4                                    0.005908840
## 5                                    0.002813976
## 6                                    0.040255406
## 7                                    0.018389440
## 8                                    0.036523012
## 9                                    0.010265955
## 10                                   0.022700271
## 11                                   0.013606683
## 12                                   0.058313947
## 13                                   0.054426189
## 14                                   0.050040197
## 15                                   0.012583513
## 16                                   0.019057021
## 17                                   0.034959022
## 18                                   0.061614230
## 19                                   0.027097406
## 20                                   0.008099071
## 21                                   0.013084271
## 22                                   0.002319034
## 23                                   0.005154143
## 24                                   0.005154302
## 25                                   0.010756258
## 26                                   0.046919339
## 27                                   0.055815860
## 28                                   0.008142624
## 29                                   0.006437928
## 30                                   0.005156323
##    climate-disengaged\n(low peb, low impairment)
## 1                                      0.9789013
## 2                                      0.9779019
## 3                                      0.9531240
## 4                                      0.9817044
## 5                                      0.9918858
## 6                                      0.9493366
## 7                                      0.9685501
## 8                                      0.9547088
## 9                                      0.9830763
## 10                                     0.9697686
## 11                                     0.9819772
## 12                                     0.9324284
## 13                                     0.8985083
## 14                                     0.9390693
## 15                                     0.9837359
## 16                                     0.9663580
## 17                                     0.9554531
## 18                                     0.9305110
## 19                                     0.9583089
## 20                                     0.9868063
## 21                                     0.9822467
## 22                                     0.9949847
## 23                                     0.9911161
## 24                                     0.9896554
## 25                                     0.9848886
## 26                                     0.9446637
## 27                                     0.9394429
## 28                                     0.9866068
## 29                                     0.9896684
## 30                                     0.9926799
##    climate-vulnerable\n(high peb, high impairment)
## 1                                      0.008988292
## 2                                      0.013206833
## 3                                      0.006412295
## 4                                      0.012386804
## 5                                      0.005300218
## 6                                      0.010408037
## 7                                      0.013060509
## 8                                      0.008768227
## 9                                      0.006657702
## 10                                     0.007531153
## 11                                     0.004416116
## 12                                     0.009257676
## 13                                     0.047065547
## 14                                     0.010890494
## 15                                     0.003680556
## 16                                     0.014585025
## 17                                     0.009587906
## 18                                     0.007874749
## 19                                     0.014593722
## 20                                     0.005094599
## 21                                     0.004669022
## 22                                     0.002696299
## 23                                     0.003729729
## 24                                     0.005190257
## 25                                     0.004355098
## 26                                     0.008416976
## 27                                     0.004741282
## 28                                     0.005250529
## 29                                     0.003893701
## 30                                     0.002163817

8.7.6 Predicted profiles

head(predict(test),30)
##  [1] climate-disengaged\n(low peb, low impairment)
##  [2] climate-disengaged\n(low peb, low impairment)
##  [3] climate-disengaged\n(low peb, low impairment)
##  [4] climate-disengaged\n(low peb, low impairment)
##  [5] climate-disengaged\n(low peb, low impairment)
##  [6] climate-disengaged\n(low peb, low impairment)
##  [7] climate-disengaged\n(low peb, low impairment)
##  [8] climate-disengaged\n(low peb, low impairment)
##  [9] climate-disengaged\n(low peb, low impairment)
## [10] climate-disengaged\n(low peb, low impairment)
## [11] climate-disengaged\n(low peb, low impairment)
## [12] climate-disengaged\n(low peb, low impairment)
## [13] climate-disengaged\n(low peb, low impairment)
## [14] climate-disengaged\n(low peb, low impairment)
## [15] climate-disengaged\n(low peb, low impairment)
## [16] climate-disengaged\n(low peb, low impairment)
## [17] climate-disengaged\n(low peb, low impairment)
## [18] climate-disengaged\n(low peb, low impairment)
## [19] climate-disengaged\n(low peb, low impairment)
## [20] climate-disengaged\n(low peb, low impairment)
## [21] climate-disengaged\n(low peb, low impairment)
## [22] climate-disengaged\n(low peb, low impairment)
## [23] climate-disengaged\n(low peb, low impairment)
## [24] climate-disengaged\n(low peb, low impairment)
## [25] climate-disengaged\n(low peb, low impairment)
## [26] climate-disengaged\n(low peb, low impairment)
## [27] climate-disengaged\n(low peb, low impairment)
## [28] climate-disengaged\n(low peb, low impairment)
## [29] climate-disengaged\n(low peb, low impairment)
## [30] climate-disengaged\n(low peb, low impairment)
## 3 Levels: climate-resilient\n(high peb, low impairment) ...

8.7.7 Likelihood ratio tests

Examine significance of predictors to the model

8.7.7.1 Climate emotions

library(lmtest)
lrtest(test, "data.lpa_out.data.emo.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 401.075925
## iter  20 value 391.460478
## final  value 391.459975 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)    
## 1  18 -343.30                         
## 2  16 -391.46 -2 96.317  < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.7.7.2 Climate indifference

lrtest(test, "data.lpa_out.data.indif.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.021915
## iter  20 value 345.536251
## final  value 345.381013 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -343.30                     
## 2  16 -345.38 -2 4.1587      0.125

-> not significant predictor

8.7.7.3 Empathy - perspective taking

library(lmtest)
lrtest(test, "data.lpa_out.data.emp.pt.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.029618
## iter  20 value 346.001136
## final  value 345.035560 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -343.30                     
## 2  16 -345.04 -2 3.4678     0.1766

-> not significant predictor

8.7.7.4 Empathy - empathic concern

lrtest(test, "data.lpa_out.data.emp.ec.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 353.976443
## iter  20 value 346.146268
## final  value 346.125711 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -343.30                       
## 2  16 -346.13 -2 5.6481    0.05936 .
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> trend

8.7.7.5 Emotion-focused coping - emotional suppression

lrtest(test, "data.lpa_out.data.emoreg.ed.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.126013
## iter  20 value 343.614564
## final  value 343.494264 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -343.30                     
## 2  16 -343.49 -2 0.3852     0.8248

-> not significant predictor

8.7.7.6 Climate emotions * Emotion-focused coping - emotional suppression

# Reduced model without interaction
test_no_int <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emo.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.649244
## iter  20 value 344.479611
## final  value 344.028777 
## converged
# Likelihood ratio test
lrtest(test, test_no_int)
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -343.30                     
## 2  16 -344.03 -2 1.4543     0.4833

-> not significant predictor

8.7.7.7 Emotion-focused coping - emotional integration

lrtest(test, "data.lpa_out.data.emoreg.ier.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 355.684369
## iter  20 value 346.987550
## final  value 346.742711 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -343.30                       
## 2  16 -346.74 -2 6.8821    0.03203 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.7.7.8 Nature connectedness

lrtest(test, "data.lpa_out.data.natcon.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.833323
## iter  20 value 347.778835
## final  value 347.624063 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ed.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -343.30                       
## 2  16 -347.62 -2 8.6448    0.01327 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.7.8 Visualizing interactions

# Simplified variable names
df <- data.frame(
  class.rel=data.lpa$class.rel,
  emo=data.lpa$data.lpa_out.data.emo.z,
  indif=data.lpa$data.lpa_out.data.indif.z,
  emp.pt=data.lpa$data.lpa_out.data.emp.pt.z,
  emp.ec=data.lpa$data.lpa_out.data.emp.ec.z,
  emoreg.ed=data.lpa$data.lpa_out.data.emoreg.ed.z,
  emoreg.ier=data.lpa$data.lpa_out.data.emoreg.ier.z,
  natcon=data.lpa$data.lpa_out.data.natcon.z
)

test <- multinom(class.rel ~ indif + emp.pt + emp.ec +
                   emoreg.ier + emo*emoreg.ed + natcon,
                 data = df, model = TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 358.480230
## iter  20 value 344.504790
## final  value 343.301648 
## converged
# Predicted probabilities for interaction
preds <- ggpredict(test,
                   terms = c("emo [-2:2 by=.5]", "emoreg.ed [-1,1]"))

df_preds <- as.data.frame(preds)

# Relabeling legend 
df_preds$group <- factor(df_preds$group,
                         levels = c(-1, 1),
                         labels = c("-1 SD", "+1 SD"))

# Plotting with ggplot
step3.int.emoreg.ed <- ggplot(df_preds, aes(x = x, y = predicted,
                                  group = group, color = group)) +
  geom_line(lwd =.3) +
  geom_point() +
  facet_wrap(~ response.level) +  
  labs(x = "Climate emotions (z-standardized)",
       y = "Predicted probability of profile membership",
       color = NULL) +
  theme(
    plot.title.position = "plot",  
    plot.title = element_text(hjust = 0, size = 14)
  ) +
  scale_color_manual(values = c("#fed789", "#476F84"),
                     labels = c("climate-resilient\n(high peb, low impairment)" = "Climate-resilient\n(16.9%)\n", #\nadds a line break
               "climate-disengaged\n(low peb, low impairment)" = "Climate-disengaged\n(72.8%)\n", 
               "climate-vulnerable\n(high peb, high impairment)"="Climate-vulnerable\n(10.3%)\n") 
  ) +
  coord_cartesian(clip = "off")

print(step3.int.emoreg.ed)

# Plotting with plot function
step3.int.emoreg.ed.simp <- plot(preds) +
  scale_color_manual(values = c("#D73027", "#FDAE61", "#4575B4")) +
  labs(x = "Climate emotions (z-standardized)", 
       y = "Predicted probability of profile membership",
       color = "Emotional suppression (z-standardized)")
## Scale for colour is already present.
## Adding another scale for colour, which will replace the existing scale.
print(step3.int.emoreg.ed.simp)
## Ignoring unknown labels:
## • linetype : "emoreg.ed"
## • shape : "emoreg.ed"

# Save the plot as a PNG file
ggsave("Figure-step3.int.emoreg.ed.png", plot = step3.int.emoreg.ed, width = 9, height = 5, dpi = 300)
ggsave("Figure-step3.int.emoreg.ed.simp.png", plot = step3.int.emoreg.ed, width = 9, height = 5, dpi = 300)

# Save the plot as a PDF file
ggsave("Figure-step3.int.emoreg.ed.pdf", plot = step3.int.emoreg.ed, width = 9, height = 5)
ggsave("Figure-step3.int.emoreg.ed.simp.pdf", plot = step3.int.emoreg.ed, width = 9, height = 5)

8.8 Step 3d: Climate emotions, resilience factors, and interactions of climate emotions and emotional integration as predictors

8.8.1 Run multinomial logistic regression model

Calculate logit coefficients relative to the reference category

test <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emo.z*data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 355.305760
## iter  20 value 343.561714
## final  value 341.781270 
## converged
summary(test)
## Call:
## multinom(formula = class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z, data = data.lpa, model = TRUE)
## 
## Coefficients:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     2.0198634
## climate-vulnerable\n(high peb, high impairment)  -0.6069498
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.29423225
## climate-vulnerable\n(high peb, high impairment)                0.04387099
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                  -0.06714162
## climate-vulnerable\n(high peb, high impairment)                -0.34579669
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   -0.2741528
## climate-vulnerable\n(high peb, high impairment)                 -0.4732855
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                      0.08401336
## climate-vulnerable\n(high peb, high impairment)                    0.03625241
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                -1.1288148
## climate-vulnerable\n(high peb, high impairment)               0.4991939
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                      -0.26350391
## climate-vulnerable\n(high peb, high impairment)                    -0.07615673
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                   -0.5114060
## climate-vulnerable\n(high peb, high impairment)                 -0.3854224
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                                              -0.04828564
## climate-vulnerable\n(high peb, high impairment)                                             0.33526049
## 
## Std. Errors:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     0.1696419
## climate-vulnerable\n(high peb, high impairment)   0.2580589
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.1658494
## climate-vulnerable\n(high peb, high impairment)                 0.2189663
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.1615093
## climate-vulnerable\n(high peb, high impairment)                  0.1980193
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.1589077
## climate-vulnerable\n(high peb, high impairment)                  0.2000497
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.1294022
## climate-vulnerable\n(high peb, high impairment)                     0.1618233
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.1788542
## climate-vulnerable\n(high peb, high impairment)               0.2391892
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1781512
## climate-vulnerable\n(high peb, high impairment)                      0.2659955
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.1727832
## climate-vulnerable\n(high peb, high impairment)                  0.2282213
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                                                0.1631169
## climate-vulnerable\n(high peb, high impairment)                                              0.1905729
## 
## Residual Deviance: 683.5625 
## AIC: 719.5625

Calculate 95% confidence intervals

ci <- confint(test)
ci
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                              2.5 %      97.5 %
## (Intercept)                                             1.68737137  2.35235544
## data.lpa_out.data.indif.z                              -0.03082655  0.61929104
## data.lpa_out.data.emp.pt.z                             -0.38369411  0.24941088
## data.lpa_out.data.emp.ec.z                             -0.58560626  0.03730060
## data.lpa_out.data.emoreg.ed.z                          -0.16961021  0.33763694
## data.lpa_out.data.emo.z                                -1.47936257 -0.77826694
## data.lpa_out.data.emoreg.ier.z                         -0.61267382  0.08566599
## data.lpa_out.data.natcon.z                             -0.85005472 -0.17275719
## data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z -0.36798880  0.27141752
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                              2.5 %      97.5 %
## (Intercept)                                            -1.11273592 -0.10116367
## data.lpa_out.data.indif.z                              -0.38529500  0.47303698
## data.lpa_out.data.emp.pt.z                             -0.73390740  0.04231402
## data.lpa_out.data.emp.ec.z                             -0.86537584 -0.08119524
## data.lpa_out.data.emoreg.ed.z                          -0.28091546  0.35342028
## data.lpa_out.data.emo.z                                 0.03039159  0.96799615
## data.lpa_out.data.emoreg.ier.z                         -0.59749842  0.44518496
## data.lpa_out.data.natcon.z                             -0.83272793  0.06188323
## data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z -0.03825545  0.70877642

8.8.2 Odds Ratios

Extract the coefficients from the model and exponentiate -> show Odds ratios in relation to the impaired profile

odds <- exp(coef(test))
odds
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     7.5372953
## climate-vulnerable\n(high peb, high impairment)   0.5450107
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.342096
## climate-vulnerable\n(high peb, high impairment)                  1.044848
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.9350628
## climate-vulnerable\n(high peb, high impairment)                  0.7076563
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.7602159
## climate-vulnerable\n(high peb, high impairment)                  0.6229522
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                        1.087643
## climate-vulnerable\n(high peb, high impairment)                      1.036918
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.3234164
## climate-vulnerable\n(high peb, high impairment)               1.6473927
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.7683546
## climate-vulnerable\n(high peb, high impairment)                      0.9266710
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.5996519
## climate-vulnerable\n(high peb, high impairment)                  0.6801633
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                                                0.9528616
## climate-vulnerable\n(high peb, high impairment)                                              1.3983046

Calculate 95% confidence intervals for odds ratios

exp(ci)
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                            2.5 %     97.5 %
## (Intercept)                                            5.4052536 10.5102970
## data.lpa_out.data.indif.z                              0.9696437  1.8576106
## data.lpa_out.data.emp.pt.z                             0.6813398  1.2832692
## data.lpa_out.data.emp.ec.z                             0.5567682  1.0380050
## data.lpa_out.data.emoreg.ed.z                          0.8439937  1.4016315
## data.lpa_out.data.emo.z                                0.2277828  0.4592011
## data.lpa_out.data.emoreg.ier.z                         0.5419000  1.0894424
## data.lpa_out.data.natcon.z                             0.4273915  0.8413419
## data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z 0.6921249  1.3118227
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                            2.5 %    97.5 %
## (Intercept)                                            0.3286585 0.9037851
## data.lpa_out.data.indif.z                              0.6802499 1.6048607
## data.lpa_out.data.emp.pt.z                             0.4800297 1.0432220
## data.lpa_out.data.emp.ec.z                             0.4208933 0.9220137
## data.lpa_out.data.emoreg.ed.z                          0.7550922 1.4239295
## data.lpa_out.data.emo.z                                1.0308581 2.6326637
## data.lpa_out.data.emoreg.ier.z                         0.5501863 1.5607789
## data.lpa_out.data.natcon.z                             0.4348614 1.0638381
## data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z 0.9624670 2.0315040

8.8.3 Calculate p-values for regression coefficients, calculating Wald-z first

z <- summary(test)$coefficients/summary(test)$standard.errors
z
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     11.906630
## climate-vulnerable\n(high peb, high impairment)   -2.351982
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.774093
## climate-vulnerable\n(high peb, high impairment)                  0.200355
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   -0.4157135
## climate-vulnerable\n(high peb, high impairment)                 -1.7462777
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    -1.725233
## climate-vulnerable\n(high peb, high impairment)                  -2.365839
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.6492424
## climate-vulnerable\n(high peb, high impairment)                     0.2240246
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 -6.311368
## climate-vulnerable\n(high peb, high impairment)                2.087025
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                       -1.4791028
## climate-vulnerable\n(high peb, high impairment)                     -0.2863083
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    -2.959814
## climate-vulnerable\n(high peb, high impairment)                  -1.688810
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                                               -0.2960187
## climate-vulnerable\n(high peb, high impairment)                                              1.7592248
p <- (1 - pnorm(abs(z), 0, 1)) * 2
p
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)    0.00000000
## climate-vulnerable\n(high peb, high impairment)  0.01867369
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.07604773
## climate-vulnerable\n(high peb, high impairment)                0.84120294
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   0.67761965
## climate-vulnerable\n(high peb, high impairment)                 0.08076272
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   0.08448553
## climate-vulnerable\n(high peb, high impairment)                 0.01798926
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.5161817
## climate-vulnerable\n(high peb, high impairment)                     0.8227381
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)              2.765796e-10
## climate-vulnerable\n(high peb, high impairment)            3.688589e-02
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1391128
## climate-vulnerable\n(high peb, high impairment)                      0.7746420
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                  0.003078251
## climate-vulnerable\n(high peb, high impairment)                0.091255935
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                                               0.76721579
## climate-vulnerable\n(high peb, high impairment)                                             0.07853934

8.8.4 Calculate Pseudo-R

library(DescTools)
PseudoR2(test, c("CoxSnell","Nagelkerke","McFadden", "McFaddenAdj"))
##    CoxSnell  Nagelkerke    McFadden McFaddenAdj 
##   0.3280104   0.4185377   0.2596228   0.2206306

8.8.5 Predicted probabilities for each class/profile

head(test$fitted.values,30)
##    climate-resilient\n(high peb, low impairment)
## 1                                    0.014683323
## 2                                    0.006588405
## 3                                    0.037604551
## 4                                    0.009131344
## 5                                    0.004362151
## 6                                    0.053073690
## 7                                    0.023412843
## 8                                    0.024172919
## 9                                    0.020207275
## 10                                   0.017543866
## 11                                   0.011498286
## 12                                   0.046880522
## 13                                   0.051123662
## 14                                   0.034775338
## 15                                   0.009314835
## 16                                   0.017371625
## 17                                   0.025266203
## 18                                   0.039217424
## 19                                   0.022227384
## 20                                   0.005521780
## 21                                   0.008979736
## 22                                   0.002001259
## 23                                   0.006707320
## 24                                   0.004413609
## 25                                   0.008167832
## 26                                   0.047392676
## 27                                   0.034002019
## 28                                   0.010102060
## 29                                   0.006246235
## 30                                   0.008494376
##    climate-disengaged\n(low peb, low impairment)
## 1                                      0.9763140
## 2                                      0.9740124
## 3                                      0.9566279
## 4                                      0.9475536
## 5                                      0.9788484
## 6                                      0.9266748
## 7                                      0.9544428
## 8                                      0.9679326
## 9                                      0.9663120
## 10                                     0.9561624
## 11                                     0.9782783
## 12                                     0.9435260
## 13                                     0.9296768
## 14                                     0.9616693
## 15                                     0.9775118
## 16                                     0.9577941
## 17                                     0.9704678
## 18                                     0.9586066
## 19                                     0.9625820
## 20                                     0.9843403
## 21                                     0.9815908
## 22                                     0.9774915
## 23                                     0.9821328
## 24                                     0.9735213
## 25                                     0.9806685
## 26                                     0.9486293
## 27                                     0.9603485
## 28                                     0.9791274
## 29                                     0.9866631
## 30                                     0.9840935
##    climate-vulnerable\n(high peb, high impairment)
## 1                                      0.009002650
## 2                                      0.019399177
## 3                                      0.005767590
## 4                                      0.043315007
## 5                                      0.016789440
## 6                                      0.020251553
## 7                                      0.022144342
## 8                                      0.007894473
## 9                                      0.013480742
## 10                                     0.026293757
## 11                                     0.010223409
## 12                                     0.009593523
## 13                                     0.019199578
## 14                                     0.003555403
## 15                                     0.013173315
## 16                                     0.024834245
## 17                                     0.004266008
## 18                                     0.002175947
## 19                                     0.015190570
## 20                                     0.010137943
## 21                                     0.009429465
## 22                                     0.020507193
## 23                                     0.011159858
## 24                                     0.022065136
## 25                                     0.011163709
## 26                                     0.003978066
## 27                                     0.005649524
## 28                                     0.010770508
## 29                                     0.007090634
## 30                                     0.007412155

8.8.6 Predicted profiles

head(predict(test),30)
##  [1] climate-disengaged\n(low peb, low impairment)
##  [2] climate-disengaged\n(low peb, low impairment)
##  [3] climate-disengaged\n(low peb, low impairment)
##  [4] climate-disengaged\n(low peb, low impairment)
##  [5] climate-disengaged\n(low peb, low impairment)
##  [6] climate-disengaged\n(low peb, low impairment)
##  [7] climate-disengaged\n(low peb, low impairment)
##  [8] climate-disengaged\n(low peb, low impairment)
##  [9] climate-disengaged\n(low peb, low impairment)
## [10] climate-disengaged\n(low peb, low impairment)
## [11] climate-disengaged\n(low peb, low impairment)
## [12] climate-disengaged\n(low peb, low impairment)
## [13] climate-disengaged\n(low peb, low impairment)
## [14] climate-disengaged\n(low peb, low impairment)
## [15] climate-disengaged\n(low peb, low impairment)
## [16] climate-disengaged\n(low peb, low impairment)
## [17] climate-disengaged\n(low peb, low impairment)
## [18] climate-disengaged\n(low peb, low impairment)
## [19] climate-disengaged\n(low peb, low impairment)
## [20] climate-disengaged\n(low peb, low impairment)
## [21] climate-disengaged\n(low peb, low impairment)
## [22] climate-disengaged\n(low peb, low impairment)
## [23] climate-disengaged\n(low peb, low impairment)
## [24] climate-disengaged\n(low peb, low impairment)
## [25] climate-disengaged\n(low peb, low impairment)
## [26] climate-disengaged\n(low peb, low impairment)
## [27] climate-disengaged\n(low peb, low impairment)
## [28] climate-disengaged\n(low peb, low impairment)
## [29] climate-disengaged\n(low peb, low impairment)
## [30] climate-disengaged\n(low peb, low impairment)
## 3 Levels: climate-resilient\n(high peb, low impairment) ...

8.8.7 Likelihood ratio tests

Examine significance of predictors to the model

8.8.7.1 Climate emotions

library(lmtest)
lrtest(test, "data.lpa_out.data.emo.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 399.382190
## iter  20 value 388.456212
## final  value 388.137260 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)    
## 1  18 -341.78                         
## 2  16 -388.14 -2 92.712  < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.8.7.2 Climate indifference

lrtest(test, "data.lpa_out.data.indif.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 351.989565
## iter  20 value 343.948803
## final  value 343.715015 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -341.78                     
## 2  16 -343.72 -2 3.8675     0.1446

-> not significant predictor

8.8.7.3 Empathy - perspective taking

library(lmtest)
lrtest(test, "data.lpa_out.data.emp.pt.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.424459
## iter  20 value 343.824430
## final  value 343.412864 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -341.78                     
## 2  16 -343.41 -2 3.2632     0.1956

-> not significant predictor

8.8.7.4 Empathy - empathic concern

lrtest(test, "data.lpa_out.data.emp.ec.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 353.842335
## iter  20 value 346.444127
## final  value 344.834253 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
##   #Df  LogLik Df Chisq Pr(>Chisq)  
## 1  18 -341.78                      
## 2  16 -344.83 -2 6.106    0.04722 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.8.7.5 Emotion-focused coping - emotional suppression

lrtest(test, "data.lpa_out.data.emoreg.ed.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.845695
## iter  20 value 342.361781
## final  value 341.993571 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -341.78                     
## 2  16 -341.99 -2 0.4246     0.8087

-> not significant predictor

8.8.7.6 Emotion-focused coping - emotional integration

lrtest(test, "data.lpa_out.data.emoreg.ier.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.679879
## iter  20 value 343.627531
## final  value 343.104952 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -341.78                     
## 2  16 -343.10 -2 2.6474     0.2662

-> not significant predictor

8.8.7.7 Climate emotions * Emotion-focused coping - emotional integration

# Reduced model without interaction
test_no_int <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emo.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.649244
## iter  20 value 344.479611
## final  value 344.028777 
## converged
# Likelihood ratio test
lrtest(test, test_no_int)
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
##   #Df  LogLik Df Chisq Pr(>Chisq)
## 1  18 -341.78                    
## 2  16 -344.03 -2 4.495     0.1057

-> not significant predictor

8.8.7.8 Nature connectedness

lrtest(test, "data.lpa_out.data.natcon.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 352.292706
## iter  20 value 346.391220
## final  value 346.367149 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z * data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.emoreg.ier.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -341.78                       
## 2  16 -346.37 -2 9.1718    0.01019 *
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.8.8 Visualizing interactions

# Simplified variable names
df <- data.frame(
  class.rel=data.lpa$class.rel,
  emo=data.lpa$data.lpa_out.data.emo.z,
  indif=data.lpa$data.lpa_out.data.indif.z,
  emp.pt=data.lpa$data.lpa_out.data.emp.pt.z,
  emp.ec=data.lpa$data.lpa_out.data.emp.ec.z,
  emoreg.ed=data.lpa$data.lpa_out.data.emoreg.ed.z,
  emoreg.ier=data.lpa$data.lpa_out.data.emoreg.ier.z,
  natcon=data.lpa$data.lpa_out.data.natcon.z
)

test <- multinom(class.rel ~ indif + emp.pt + emp.ec +
                   emo*emoreg.ier + emoreg.ed + natcon,
                 data = df, model = TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 355.305760
## iter  20 value 343.561714
## final  value 341.781270 
## converged
# Predicted probabilities for interaction
preds <- ggpredict(test,
                   terms = c("emo [-2:2 by=.5]", "emoreg.ier [-1,1]"))

df_preds <- as.data.frame(preds)

# Relabeling legend 
df_preds$group <- factor(df_preds$group,
                         levels = c(-1, 1),
                         labels = c("-1 SD", "+1 SD"))

# Plotting with ggplot
step3.int.emoreg.ier <- ggplot(df_preds, aes(x = x, y = predicted,
                                  group = group, color = group)) +
  geom_line(lwd =.3) +
  geom_point() +
  facet_wrap(~ response.level) +   
  labs(x = "Climate emotions (z-standardized)",
       y = "Predicted probability of profile membership",
       color = NULL) +
  theme(
    plot.title.position = "plot",   
    plot.title = element_text(hjust = 0, size = 14)
  ) +
  scale_color_manual(values = c("#fed789", "#476F84"),
                     labels = c("climate-resilient\n(high peb, low impairment)" = "Climate-resilient\n(16.9%)\n", 
               "climate-disengaged\n(low peb, low impairment)" = "Climate-disengaged\n(72.8%)\n", 
               "climate-vulnerable\n(high peb, high impairment)"="Climate-vulnerable\n(10.3%)\n") 
  ) +
  coord_cartesian(clip = "off")

print(step3.int.emoreg.ier)

# Plotting with plot function
step3.int.emoreg.ier.simp <- plot(preds) +
  scale_color_manual(values = c("#D73027", "#FDAE61", "#4575B4")) +
  labs(x = "Climate emotions (z-standardized)", 
       y = "Predicted probability of profile membership",
       color = "Emotional integration (z-standardized)")
## Scale for colour is already present.
## Adding another scale for colour, which will replace the existing scale.
print(step3.int.emoreg.ier.simp)
## Ignoring unknown labels:
## • linetype : "emoreg.ier"
## • shape : "emoreg.ier"

# Save the plot as a PNG file
ggsave("Figure-step3.int.emoreg.ier.png", plot = step3.int.emoreg.ier, width = 9, height = 5, dpi = 300)
ggsave("Figure-step3.int.emoreg.ier.simp.png", plot = step3.int.emoreg.ier, width = 9, height = 5, dpi = 300)

# Save the plot as a PDF file
ggsave("Figure-step3.int.emoreg.ier.pdf", plot = step3.int.emoreg.ier, width = 9, height = 5)
ggsave("Figure-step3.int.emoreg.ier.simp.pdf", plot = step3.int.emoreg.ier, width = 9, height = 5)

8.9 Step 3e: Climate emotions, resilience factors, and interactions of climate emotions and nature connectedness as predictors

8.9.1 Run multinomial logistic regression model

Calculate logit coefficients relative to the reference category

test <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.emo.z*data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 350.513876
## iter  20 value 338.054974
## final  value 337.315164 
## converged
summary(test)
## Call:
## multinom(formula = class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z, data = data.lpa, model = TRUE)
## 
## Coefficients:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     2.1050632
## climate-vulnerable\n(high peb, high impairment)  -0.6134927
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.3150212
## climate-vulnerable\n(high peb, high impairment)                 0.1462384
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                  -0.07323928
## climate-vulnerable\n(high peb, high impairment)                -0.30904300
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                   -0.2606983
## climate-vulnerable\n(high peb, high impairment)                 -0.4322979
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                      0.08840698
## climate-vulnerable\n(high peb, high impairment)                    0.07284046
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                       -0.2470622
## climate-vulnerable\n(high peb, high impairment)                      0.1830354
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                -1.2934595
## climate-vulnerable\n(high peb, high impairment)               0.2883807
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                   -0.7050873
## climate-vulnerable\n(high peb, high impairment)                 -0.8747773
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                                            0.2359461
## climate-vulnerable\n(high peb, high impairment)                                          0.7223276
## 
## Std. Errors:
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     0.1865549
## climate-vulnerable\n(high peb, high impairment)   0.2752591
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   0.1678697
## climate-vulnerable\n(high peb, high impairment)                 0.2189193
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.1630873
## climate-vulnerable\n(high peb, high impairment)                  0.1999974
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.1599186
## climate-vulnerable\n(high peb, high impairment)                  0.2018747
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.1301174
## climate-vulnerable\n(high peb, high impairment)                     0.1626019
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1573864
## climate-vulnerable\n(high peb, high impairment)                      0.2089301
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.2051851
## climate-vulnerable\n(high peb, high impairment)               0.2660629
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.2065379
## climate-vulnerable\n(high peb, high impairment)                  0.2730351
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                                            0.2108158
## climate-vulnerable\n(high peb, high impairment)                                          0.2114934
## 
## Residual Deviance: 674.6303 
## AIC: 710.6303

Calculate 95% confidence intervals

ci <- confint(test)
ci
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                          2.5 %      97.5 %
## (Intercept)                                         1.73942236  2.47070413
## data.lpa_out.data.indif.z                          -0.01399744  0.64403984
## data.lpa_out.data.emp.pt.z                         -0.39288444  0.24640587
## data.lpa_out.data.emp.ec.z                         -0.57413298  0.05273634
## data.lpa_out.data.emoreg.ed.z                      -0.16661838  0.34343234
## data.lpa_out.data.emoreg.ier.z                     -0.55553393  0.06140946
## data.lpa_out.data.emo.z                            -1.69561483 -0.89130407
## data.lpa_out.data.natcon.z                         -1.10989417 -0.30028036
## data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z -0.17724527  0.64913757
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                         2.5 %      97.5 %
## (Intercept)                                        -1.1529906 -0.07399485
## data.lpa_out.data.indif.z                          -0.2828356  0.57531232
## data.lpa_out.data.emp.pt.z                         -0.7010307  0.08294465
## data.lpa_out.data.emp.ec.z                         -0.8279649 -0.03663082
## data.lpa_out.data.emoreg.ed.z                      -0.2458534  0.39153436
## data.lpa_out.data.emoreg.ier.z                     -0.2264601  0.59253093
## data.lpa_out.data.emo.z                            -0.2330930  0.80985446
## data.lpa_out.data.natcon.z                         -1.4099162 -0.33963843
## data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z  0.3078082  1.13684701

8.9.2 Odds Ratios

Extract the coefficients from the model and exponentiate -> show Odds ratios in relation to the impaired profile

odds <- exp(coef(test))
odds
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     8.2076221
## climate-vulnerable\n(high peb, high impairment)   0.5414564
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                    1.370288
## climate-vulnerable\n(high peb, high impairment)                  1.157472
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.9293784
## climate-vulnerable\n(high peb, high impairment)                  0.7341492
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.7705133
## climate-vulnerable\n(high peb, high impairment)                  0.6490160
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                        1.092433
## climate-vulnerable\n(high peb, high impairment)                      1.075559
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.7810921
## climate-vulnerable\n(high peb, high impairment)                      1.2008569
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 0.2743201
## climate-vulnerable\n(high peb, high impairment)               1.3342652
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    0.4940655
## climate-vulnerable\n(high peb, high impairment)                  0.4169548
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                                             1.266106
## climate-vulnerable\n(high peb, high impairment)                                           2.059221

Calculate 95% confidence intervals for odds ratios

exp(ci)
## , , climate-disengaged
## (low peb, low impairment)
## 
##                                                        2.5 %     97.5 %
## (Intercept)                                        5.6940534 11.8307743
## data.lpa_out.data.indif.z                          0.9861001  1.9041578
## data.lpa_out.data.emp.pt.z                         0.6751068  1.2794188
## data.lpa_out.data.emp.ec.z                         0.5631930  1.0541517
## data.lpa_out.data.emoreg.ed.z                      0.8465226  1.4097781
## data.lpa_out.data.emoreg.ier.z                     0.5737658  1.0633342
## data.lpa_out.data.emo.z                            0.1834864  0.4101206
## data.lpa_out.data.natcon.z                         0.3295938  0.7406106
## data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z 0.8375743  1.9138895
## 
## , , climate-vulnerable
## (high peb, high impairment)
## 
##                                                        2.5 %    97.5 %
## (Intercept)                                        0.3156913 0.9286765
## data.lpa_out.data.indif.z                          0.7536437 1.7776856
## data.lpa_out.data.emp.pt.z                         0.4960738 1.0864817
## data.lpa_out.data.emp.ec.z                         0.4369376 0.9640320
## data.lpa_out.data.emoreg.ed.z                      0.7820368 1.4792488
## data.lpa_out.data.emoreg.ier.z                     0.7973511 1.8085600
## data.lpa_out.data.emo.z                            0.7920799 2.2475809
## data.lpa_out.data.natcon.z                         0.2441637 0.7120277
## data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z 1.3604400 3.1169252

8.9.3 Calculate p-values for regression coefficients, calculating Wald-z first

z <- summary(test)$coefficients/summary(test)$standard.errors
z
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)     11.283881
## climate-vulnerable\n(high peb, high impairment)   -2.228783
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                   1.8765812
## climate-vulnerable\n(high peb, high impairment)                 0.6680012
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                   -0.4490803
## climate-vulnerable\n(high peb, high impairment)                 -1.5452353
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    -1.630194
## climate-vulnerable\n(high peb, high impairment)                  -2.141417
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.6794403
## climate-vulnerable\n(high peb, high impairment)                     0.4479680
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                       -1.5697812
## climate-vulnerable\n(high peb, high impairment)                      0.8760603
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)                 -6.303867
## climate-vulnerable\n(high peb, high impairment)                1.083882
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                    -3.413839
## climate-vulnerable\n(high peb, high impairment)                  -3.203901
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                                             1.119205
## climate-vulnerable\n(high peb, high impairment)                                           3.415367
p <- (1 - pnorm(abs(z), 0, 1)) * 2
p
##                                                 (Intercept)
## climate-disengaged\n(low peb, low impairment)    0.00000000
## climate-vulnerable\n(high peb, high impairment)  0.02582835
##                                                 data.lpa_out.data.indif.z
## climate-disengaged\n(low peb, low impairment)                  0.06057551
## climate-vulnerable\n(high peb, high impairment)                0.50413283
##                                                 data.lpa_out.data.emp.pt.z
## climate-disengaged\n(low peb, low impairment)                    0.6533737
## climate-vulnerable\n(high peb, high impairment)                  0.1222894
##                                                 data.lpa_out.data.emp.ec.z
## climate-disengaged\n(low peb, low impairment)                    0.1030605
## climate-vulnerable\n(high peb, high impairment)                  0.0322404
##                                                 data.lpa_out.data.emoreg.ed.z
## climate-disengaged\n(low peb, low impairment)                       0.4968589
## climate-vulnerable\n(high peb, high impairment)                     0.6541763
##                                                 data.lpa_out.data.emoreg.ier.z
## climate-disengaged\n(low peb, low impairment)                        0.1164660
## climate-vulnerable\n(high peb, high impairment)                      0.3809972
##                                                 data.lpa_out.data.emo.z
## climate-disengaged\n(low peb, low impairment)              2.903100e-10
## climate-vulnerable\n(high peb, high impairment)            2.784172e-01
##                                                 data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                 0.0006405439
## climate-vulnerable\n(high peb, high impairment)               0.0013557910
##                                                 data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
## climate-disengaged\n(low peb, low impairment)                                         0.2630526409
## climate-vulnerable\n(high peb, high impairment)                                       0.0006369607

8.9.4 Calculate Pseudo-R

library(DescTools)
PseudoR2(test, c("CoxSnell","Nagelkerke","McFadden", "McFaddenAdj"))
##    CoxSnell  Nagelkerke    McFadden McFaddenAdj 
##   0.3378912   0.4311455   0.2692974   0.2303052

8.9.5 Predicted probabilities for each class/profile

head(test$fitted.values,30)
##    climate-resilient\n(high peb, low impairment)
## 1                                   0.0038376315
## 2                                   0.0014203142
## 3                                   0.0184695339
## 4                                   0.0021056358
## 5                                   0.0006514754
## 6                                   0.0550588788
## 7                                   0.0105930028
## 8                                   0.0244711504
## 9                                   0.0160075650
## 10                                  0.0116605402
## 11                                  0.0029466181
## 12                                  0.0495933973
## 13                                  0.0384093208
## 14                                  0.0414182176
## 15                                  0.0057530055
## 16                                  0.0181758680
## 17                                  0.0135760081
## 18                                  0.0215870069
## 19                                  0.0133178940
## 20                                  0.0018305992
## 21                                  0.0051893370
## 22                                  0.0004204528
## 23                                  0.0033784998
## 24                                  0.0025220154
## 25                                  0.0033144020
## 26                                  0.0445317149
## 27                                  0.0303410789
## 28                                  0.0074746779
## 29                                  0.0029398527
## 30                                  0.0047215344
##    climate-disengaged\n(low peb, low impairment)
## 1                                      0.9496667
## 2                                      0.9039521
## 3                                      0.9680207
## 4                                      0.9355469
## 5                                      0.9356069
## 6                                      0.9400830
## 7                                      0.9602922
## 8                                      0.9694567
## 9                                      0.9795675
## 10                                     0.9782050
## 11                                     0.9657878
## 12                                     0.9444214
## 13                                     0.9129128
## 14                                     0.9526316
## 15                                     0.9884163
## 16                                     0.9730309
## 17                                     0.9629124
## 18                                     0.9569889
## 19                                     0.9595076
## 20                                     0.9741967
## 21                                     0.9861235
## 22                                     0.9736729
## 23                                     0.9894355
## 24                                     0.9886957
## 25                                     0.9806041
## 26                                     0.9487117
## 27                                     0.9644885
## 28                                     0.9875517
## 29                                     0.9872218
## 30                                     0.9918920
##    climate-vulnerable\n(high peb, high impairment)
## 1                                      0.046495624
## 2                                      0.094627617
## 3                                      0.013509745
## 4                                      0.062347447
## 5                                      0.063741672
## 6                                      0.004858095
## 7                                      0.029114841
## 8                                      0.006072135
## 9                                      0.004424926
## 10                                     0.010134505
## 11                                     0.031265581
## 12                                     0.005985179
## 13                                     0.048677895
## 14                                     0.005950185
## 15                                     0.005830734
## 16                                     0.008793248
## 17                                     0.023511631
## 18                                     0.021424122
## 19                                     0.027174547
## 20                                     0.023972673
## 21                                     0.008687146
## 22                                     0.025906679
## 23                                     0.007185979
## 24                                     0.008782252
## 25                                     0.016081515
## 26                                     0.006756633
## 27                                     0.005170425
## 28                                     0.004973617
## 29                                     0.009838366
## 30                                     0.003386471

8.9.6 Predicted profiles

head(predict(test),30)
##  [1] climate-disengaged\n(low peb, low impairment)
##  [2] climate-disengaged\n(low peb, low impairment)
##  [3] climate-disengaged\n(low peb, low impairment)
##  [4] climate-disengaged\n(low peb, low impairment)
##  [5] climate-disengaged\n(low peb, low impairment)
##  [6] climate-disengaged\n(low peb, low impairment)
##  [7] climate-disengaged\n(low peb, low impairment)
##  [8] climate-disengaged\n(low peb, low impairment)
##  [9] climate-disengaged\n(low peb, low impairment)
## [10] climate-disengaged\n(low peb, low impairment)
## [11] climate-disengaged\n(low peb, low impairment)
## [12] climate-disengaged\n(low peb, low impairment)
## [13] climate-disengaged\n(low peb, low impairment)
## [14] climate-disengaged\n(low peb, low impairment)
## [15] climate-disengaged\n(low peb, low impairment)
## [16] climate-disengaged\n(low peb, low impairment)
## [17] climate-disengaged\n(low peb, low impairment)
## [18] climate-disengaged\n(low peb, low impairment)
## [19] climate-disengaged\n(low peb, low impairment)
## [20] climate-disengaged\n(low peb, low impairment)
## [21] climate-disengaged\n(low peb, low impairment)
## [22] climate-disengaged\n(low peb, low impairment)
## [23] climate-disengaged\n(low peb, low impairment)
## [24] climate-disengaged\n(low peb, low impairment)
## [25] climate-disengaged\n(low peb, low impairment)
## [26] climate-disengaged\n(low peb, low impairment)
## [27] climate-disengaged\n(low peb, low impairment)
## [28] climate-disengaged\n(low peb, low impairment)
## [29] climate-disengaged\n(low peb, low impairment)
## [30] climate-disengaged\n(low peb, low impairment)
## 3 Levels: climate-resilient\n(high peb, low impairment) ...

8.9.7 Likelihood ratio tests

Examine significance of predictors to the model

8.9.7.1 Climate emotions

library(lmtest)
lrtest(test, "data.lpa_out.data.emo.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 400.976440
## iter  20 value 382.674834
## final  value 381.889751 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)    
## 1  18 -337.32                         
## 2  16 -381.89 -2 89.149  < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.9.7.2 Climate indifference

lrtest(test, "data.lpa_out.data.indif.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 347.773454
## iter  20 value 339.496437
## final  value 339.187662 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.emp.pt.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
##   #Df  LogLik Df Chisq Pr(>Chisq)
## 1  18 -337.32                    
## 2  16 -339.19 -2 3.745     0.1537

-> not significant predictor

8.9.7.3 Empathy - perspective taking

library(lmtest)
lrtest(test, "data.lpa_out.data.emp.pt.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 348.687150
## iter  20 value 339.860643
## final  value 338.564526 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.ec.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -337.32                     
## 2  16 -338.56 -2 2.4987     0.2867

-> not significant predictor

8.9.7.4 Empathy - empathic concern

lrtest(test, "data.lpa_out.data.emp.ec.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 349.990868
## iter  20 value 340.337389
## final  value 339.875275 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emoreg.ed.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -337.32                       
## 2  16 -339.88 -2 5.1202     0.0773 .
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> trend

8.9.7.5 Emotion-focused coping - emotional suppression

lrtest(test, "data.lpa_out.data.emoreg.ed.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 348.564151
## iter  20 value 338.613820
## final  value 337.560994 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ier.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)
## 1  18 -337.32                     
## 2  16 -337.56 -2 0.4917     0.7821

-> not significant predictor

8.9.7.6 Emotion-focused coping - emotional integration

lrtest(test, "data.lpa_out.data.emoreg.ier.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 351.396316
## iter  20 value 341.083396
## final  value 340.246724 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emo.z + data.lpa_out.data.natcon.z + data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)  
## 1  18 -337.32                       
## 2  16 -340.25 -2 5.8631    0.05331 .
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> trend

8.9.7.7 Nature connectedness

lrtest(test, "data.lpa_out.data.natcon.z")
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 353.384235
## iter  20 value 345.111622
## final  value 344.922789 
## converged
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z + 
##     data.lpa_out.data.emo.z:data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)    
## 1  18 -337.32                         
## 2  16 -344.92 -2 15.215  0.0004967 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.9.7.8 Climate emotions * Nature connectedness

# Reduced model without interaction
test_no_int <- multinom(class.rel ~ data.lpa_out.data.indif.z +
                             data.lpa_out.data.emp.pt.z + 
                             data.lpa_out.data.emp.ec.z + 
                             data.lpa_out.data.emo.z + 
                             data.lpa_out.data.emoreg.ed.z + 
                             data.lpa_out.data.emoreg.ier.z +
                             data.lpa_out.data.natcon.z, data = data.lpa, model=TRUE)
## # weights:  27 (16 variable)
## initial  value 662.463210 
## iter  10 value 354.649244
## iter  20 value 344.479611
## final  value 344.028777 
## converged
# Likelihood ratio test
lrtest(test, test_no_int)
## Likelihood ratio test
## 
## Model 1: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.emo.z * 
##     data.lpa_out.data.natcon.z
## Model 2: class.rel ~ data.lpa_out.data.indif.z + data.lpa_out.data.emp.pt.z + 
##     data.lpa_out.data.emp.ec.z + data.lpa_out.data.emo.z + data.lpa_out.data.emoreg.ed.z + 
##     data.lpa_out.data.emoreg.ier.z + data.lpa_out.data.natcon.z
##   #Df  LogLik Df  Chisq Pr(>Chisq)   
## 1  18 -337.32                        
## 2  16 -344.03 -2 13.427   0.001214 **
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

-> significant predictor

8.9.8 Visualizing interactions

# Simplified variable names
df <- data.frame(
  class.rel=data.lpa$class.rel,
  emo=data.lpa$data.lpa_out.data.emo.z,
  indif=data.lpa$data.lpa_out.data.indif.z,
  emp.pt=data.lpa$data.lpa_out.data.emp.pt.z,
  emp.ec=data.lpa$data.lpa_out.data.emp.ec.z,
  emoreg.ed=data.lpa$data.lpa_out.data.emoreg.ed.z,
  emoreg.ier=data.lpa$data.lpa_out.data.emoreg.ier.z,
  natcon=data.lpa$data.lpa_out.data.natcon.z
)

test <- multinom(class.rel ~ indif + emp.pt + emp.ec +
                   emoreg.ier + emoreg.ed + emo*natcon,
                 data = df, model = TRUE)
## # weights:  30 (18 variable)
## initial  value 662.463210 
## iter  10 value 350.513876
## iter  20 value 338.054974
## final  value 337.315164 
## converged
# Predicted probabilities for interaction
preds <- ggpredict(test,
                   terms = c("emo [-2:2 by=.5]", "natcon [-1,1]"))

df_preds <- as.data.frame(preds)

# Relabeling legend 
df_preds$group <- factor(df_preds$group,
                         levels = c(-1, 1),
                         labels = c("-1 SD", "+1 SD"))

# Plotting with ggplot
step3.int.natcon <- ggplot(df_preds, aes(x = x, y = predicted,
                                  group = group, color = group)) +
  geom_line(lwd =.3) +
  geom_point() +
  facet_wrap(~ response.level) +  
  labs(x = "Climate emotions (z-standardized)",
       y = "Predicted probability of profile membership",
       color = NULL) +
  theme(
    plot.title.position = "plot",  
    plot.title = element_text(hjust = 0, size = 14)
  ) +
  scale_color_manual(values = c("#fed789", "#476F84"),
                     labels = c("climate-resilient\n(high peb, low impairment)" = "Climate-resilient\n(16.9%)\n", 
               "climate-disengaged\n(low peb, low impairment)" = "Climate-disengaged\n(72.8%)\n", 
               "climate-vulnerable\n(high peb, high impairment)"="Climate-vulnerable\n(10.3%)\n") 
  ) +
  coord_cartesian(clip = "off")

print(step3.int.natcon)

# Plotting with plot function
step3.int.natcon.simp <- plot(preds) +
  scale_color_manual(values = c("#D73027", "#FDAE61", "#4575B4")) +
  labs(x = "Climate emotions (z-standardized)", 
       y = "Predicted probability of profile membership",
       color = "Nature connectedness (z-standardized)")
## Scale for colour is already present.
## Adding another scale for colour, which will replace the existing scale.
print(step3.int.natcon.simp)
## Ignoring unknown labels:
## • linetype : "natcon"
## • shape : "natcon"

# Save the plot as a PNG file
ggsave("Figure-step3.int.natcon.png", plot = step3.int.natcon, width = 9, height = 5, dpi = 300)
ggsave("Figure-step3.int.natcon.simp.png", plot = step3.int.natcon, width = 9, height = 5, dpi = 300)

# Save the plot as a PDF file
ggsave("Figure-step3.int.natcon.pdf", plot = step3.int.natcon, width = 9, height = 5)
ggsave("Figure-step3.int.natcon.simp.pdf", plot = step3.int.natcon, width = 9, height = 5)