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["variable","mean","standard deviation","min","median","max","Type","dimension","Collection timepoint","Description"]
["PSscore",12.3869814020029,5.71049046347724,0,12.5,28.5,"Numeric","Parental psychosocial","18 and 36th week of pregnancy","Perceived Stress Scale. Score ranges from 0 to 40."]
["CES_Dscore",8.71816881258941,6.1647021,0,7,40,"Numeric","Parental psychosocial","18 and 36th week of pregnancy","Center  for Epidemiological Studies – Depression. Score ranges from 0 to 60, with higher scores indicating more depressive symptoms"]
["average_csr",-0.05986373855696,0.596667514126088,-0.837284928542571,-0.172784845522789,2.94415006839468,"Numeric","Parental psychosocial","18th week of pregnancy","Chronic Stress Response - standardized average stress across different dimensions (general stress, work, unemployement, etc.)"]
["das_10_score",38.8912732474964,3.44496991532473,17,39,48,"Numeric","Parental psychosocial","18th week of pregnancy","Dyadic Adjustment Scale - distress in traditional couples. Ranges from 0 to 50. Higher scores indicate a more positive dyadic adjustment and a lower level of couple distress"]
["isel_12_score",43.4048640915594,4.76773171487219,20,45,48,"Numeric","Parental psychosocial","18th week of pregnancy","Perception of social support. Ranges from 0 to 48. "]
["rle_score",1.05579399141631,1.27984375967936,0,1,8.5,"Numeric","Parental psychosocial","18th week of pregnancy","Negative event checklist based on Turner et al.’s inventory in 1995. Score ranges from 0 to 32"]
["mom_ed18wk",2.8898426323319,0.812260881886428,1,3,4,"Categorical","Parental psychosocial","18th week of pregnancy","Maternal education encoded as: 1 (secondary graduation or less), 2 (some post-secondary), 3 (post-secondary graduation), 4 (higher than post-secondary). "]
["dad_ed18wk",2.74391988555079,0.883761221230755,1,3,4,"Categorical","Parental psychosocial","18th week of pregnancy","Paternal education encoded as: 1 (secondary graduation or less), 2 (some post-secondary), 3 (post-secondary graduation), 4 (higher than post-secondary). "]
["income18wk",2.64663805436338,0.969240094203537,1,3,4,"Categorical","Parental psychosocial","18th week of pregnancy","Household income. Levels: 1 ($0-$49,999), 2 ($50,000 - $99,999), 3 ($100,000 – $149,999), 4 ($150,000+). "]
["ses_composite",-0.00858936681003216,1.36352412913087,-3.60065116779792,0.289487025321576,2.47610905299427,"Numeric","Parental psychosocial","18th week of pregnancy","Composed SES. First component of a Principal Component Analysis (PCA) using singular value decomposition of mom_ed18wk, dad_ed18wk and income18wk"]
["alcohol_g",0.207142234059943,1.38044482841738,0,0.020127671,29.59771068,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["betaine_mg",197.043287111316,88.6710213887003,25.04017443,181.5105198,602.5845945,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["caffeine_mg",64.4795627462661,72.9079020441452,0,40.49927534,692.4552244,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["choline_mg",378.233920658655,142.410268385224,110.1565643,353.5816622,1405.451122,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["natural_folate_mcg",300.819330289485,116.224245414381,76.84526831,288.6098908,1116.934179,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["synthetic_folate_mcg",161.722092948813,100.995882835662,10.64093829,141.6583329,904.5495515,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["methionine_g",1.88962930501144,0.714100890603592,0.498552914,1.780815731,6.823025064,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["vit_b2_mg",2.53644700592418,1.0372259583878,0.711580391,2.39879526,8.349935367,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["tot_folate_mcg",462.520196374821,170.243941794372,113.9547805,441.4765433,1531.898441,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["vit_b12_mcg",6.88662629541059,4.05439595561774,1.447987507,6.090150784,44.39087658,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["vit_b6_mg",2.19276920958941,0.800304379636326,0.629805624,2.119651548,7.099527891,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["zinc_mg_food",13.1014445409986,5.26086446879482,3.715070936,12.11451559,46.32216073,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["diet_pat_pb_score",-0.0324006304563662,0.990278485774294,-1.786691495,-0.202429662,9.194563794,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["diet_pat_ws_score",-0.0605135777668097,0.919507454775855,-1.943771454,-0.209468788,4.265696825,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["diet_pat_ba_score",-0.0253001261373391,1.00588377538233,-4.718701149,-0.136439914,4.571312591,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire."]
["hei_tot_fruit",4.48904439479957,0.984175941961044,0.5938570319,5,5,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: total fruits. "]
["hei_whole_fruit",4.58877786015508,0.957682823951502,0.4027052496,5,5,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: whole fruits. "]
["hei_tot_veg",4.26354613996166,0.947945801256551,0.3865178738,4.8485155155,5,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: total vegetables. "]
["hei_greens_beans",3.49545909573605,1.5697718578467,0.0011268351,3.9136619273,5,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: green beans. "]
["hei_whole_grains",5.93060878616381,2.61422105992114,0,5.8735731003,10,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: whole grains. "]
["hei_dairy",8.43627975579385,2.11507922252587,0.7433054191,9.9604799096,10,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: dairy. "]
["hei_tot_prot",4.58722233253147,0.689936551993274,1.7784777068,5,5,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: total protein. "]
["hei_seaf_plant_prot",3.98705877887639,1.37846056623524,0.0671898221,5,5,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: seafood and plant proteins . "]
["hei_fatty_acids",3.83784116174807,2.52462709259249,0,3.5623388948,10,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: fatty acids. "]
["hei_regined_grains",9.39796137353791,1.29944143141256,0,10,10,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: refined grains. "]
["hei_sodium",3.96666548605236,2.49371178726194,0,4.076455274,10,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: sodim. "]
["hei_empty_cal",16.0658825873777,3.02178582754909,1.2167132069,16.416577092,20,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index subscale: empty calories. "]
["hei_score_2010",73.0463477527396,8.47634575253919,44.398954146,73.966969784,91.651708963,"Numeric","Maternal nutrition","18th week of pregnancy","Derived from the analysis of the Food Frequency Questionnaire. Healthy Eating Index total score. "]
["zn_supplement",0.0171673819742489,0.129987829584097,0,0,1,"Binary","Maternal nutrition","18th week of pregnancy","Self reported intake of Zn supplements during pregnancy. 0 =No, 1=Yes. "]
["no2_ppb_ann_ave",13.9603004291845,4.88237588907495,3.7,14.15,31.9,"Numeric","Built environment","18th week of pregnancy","Annual average concentration at postal code (ppb) for timepoint's year."]
["o3_ppb_ann_ave_highest_8h",30.4974463519313,4.90345142125413,19.57,31.77,43.84,"Numeric","Built environment","18th week of pregnancy","Annual average (ppb) of highest rolling 8-hour average per day "]
["pm2_5_mg_m3_ann_ave",7.22396281144138,1.63681725143393,3.90000009536743,7.29999995231629,15.1999998092651,"Numeric","Built environment","18th week of pregnancy","Annual average PM2.5 concentration in micrograms per cubic meter."]
["so2_ppb_3yave",0.339363376251788,0.20670803469645,0.01,0.32,1.23,"Numeric","Built environment","18th week of pregnancy","3-year annual average SO2 concentration, in parts per billion."]
["temp_ave_ann",6.88210300429185,3.06328034525337,2.725,4.78,11.12,"Numeric","Built environment","18th week of pregnancy","Annual average temperature (celsius)."]
["rain_number_of_days_ann",107.913447782546,53.47813753541,50,77,205,"Numeric","Built environment","18th week of pregnancy","Annual number of days with rain (precipitation on all days with minimum temperature  > = 0)."]
["snow_number_of_days_ann",37.2567954220315,17.9976580465374,4,45,72,"Numeric","Built environment","18th week of pregnancy","Annual number of days with snow (precipitation on all days with minimum temperature < 0)."]
["NDVI_mean_ann_mean_100",0.319628040057225,0.0957634329300818,0.04,0.32,0.59,"Numeric","Built environment","18th week of pregnancy","Mean of annual mean NDVI within 100 m (range 1- to +1)"]
["NDVI_max_ann_mean_1000",0.716258941344778,0.0496368204274218,0.56,0.715,1,"Numeric","Built environment","18th week of pregnancy","Maximum of annual mean NDVI within 1000 m (range 1- to +1)"]
["prenatal_smoke",0.163090128755365,0.369712436308876,0,0,1,"Binary","Maternal health","18th week of pregnancy","Smoke exposure during pregnancy is defined as positive if having either maternal smoke or second hand smoke. If both maternal smoke and second hand smoke is missing, prenatal smoke exposure will be coded as missing. Otherwise, prenatal smoke exposure will be negative. "]
["depression",0.0429184549356223,0.202818416224432,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported diagnosed epression in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["depression_medication",0.0343347639484979,0.182217971685587,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported depression medication intake during pregnancy in maternal health questionnaire. 0=No, 1=Yes.  Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["high_blood_press",0.0286123032904149,0.166833624783617,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported high blood pressure in maternal health questionnaire. 0=No, 1=Yes.  Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["urinary_infec",0.0872675250357654,0.282428784980744,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported urinary infection during pregnancy in maternal health questionnaire. 0=No, 1=Yes.  Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["severe_morning_sickness",0.0886981402002861,0.284511130775613,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported severe morning sickness during pregnancy after the first trimester in maternal health questionnaire. 0=No, 1=Yes.  Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["diarrhea",0.195994277539342,0.397248386742475,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported diarrhea during pregnancy in maternal health questionnaire. 0=No, 1=Yes.  Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["diabetes",0.0371959942775393,0.18937729411278,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported diagnosed diabetes during pregnancy in maternal health questionnaire. 0=No, 1=Yes.  Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["fever",0.0643776824034335,0.245600265450719,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported fever during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["cold_flu",0.502145922746781,0.500353429694729,0,1,1,"Binary","Maternal health","18th week of pregnancy","Self reported cold or flu during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["cold_sores",0.0915593705293276,0.288609452171438,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported cold sores during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["chest_infection_pneumonia",0.011444921316166,0.106443149935992,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported chest infection during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["yeast_infection",0.118741058655222,0.323715208177159,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported yeast infection during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_f_egg_recent",0.011444921316166,0.106443149935992,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported egg allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_f_milk_recent",0.0329041487839771,0.178513459630628,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported milk allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_f_nut_recent",0.0185979971387697,0.135197118306105,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported nut allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_f_peanut_recent",0.0143061516452074,0.118834710298991,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported peanut allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_f_shellfish_recent",0.0314735336194564,0.174718694333291,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported shellfish allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_food_recent",0.13447782546495,0.341409274691966,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported food allergies (any) during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_nf_cat_recent",0.234620886981402,0.42406508416628,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported cat allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_nf_dog_recent",0.108726752503577,0.311518985816219,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported dog allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_nf_dust_recent",0.0486409155937053,0.215270233549498,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported dust allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_nf_horse_recent",0.0200286123032904,0.140198382917612,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported horse allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_nf_mold_recent",0.0143061516452074,0.118834710298991,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported mold allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_nf_plant_recent",0.246065808297568,0.431025765543983,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported pollens/grasses/weeds/trees allergiesin the last 12 months. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_nf_rabbit_recent",0.0171673819742489,0.129987829584097,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported rabbit allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["allergy_nf_recent",0.361945636623748,0.480907323477106,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported non-food/non-gastrointestinal related allergies during pregnancy in maternal health questionnaire. 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["asthma_ever",0.224606580829757,0.417621809023551,0,0,1,"Binary","Maternal health","18th week of pregnancy","Self reported. Have you ever had asthma? 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["gravida",2.22174535050072,1.27496809931011,1,2,8,"Numeric","Maternal health","Birth","Total number of pregnancies, including present pregnancy (Gravida)"]
["term_deliveries_mom",0.703862660944206,0.846109900615153,0,1,5,"Numeric","Maternal health","Birth","Term Deliveries"]
["preterm_deliveries_mom",0.0357653791130186,0.207681516982018,0,0,3,"Numeric","Maternal health","Birth","Preterm deliveries"]
["abortions",0.496423462088698,0.841901465910714,0,0,5,"Numeric","Maternal health","Birth","Abortions (both surgical and miscarriage)"]
["living_children",0.718168812589413,0.839121569685088,0,1,5,"Numeric","Maternal health","Birth","Number of living children"]
["birth_mother_bleeding",0.0658082975679542,0.248124247667619,0,0,1,"Binary","Maternal health","Birth","At birth, what conditions did the mother have? Bleeding: 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["birth_mother_nausea",0.25035765379113,0.433529214283068,0,0,1,"Binary","Maternal health","Birth","At birth, what conditions did the mother have? Nausea: 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["birth_mother_infections",0.0329041487839771,0.178513459630628,0,0,1,"Binary","Maternal health","Birth","At birth, what conditions did the mother have? Infections: 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["birth_mother_preclapsia",0.0329041487839771,0.178513459630628,0,0,1,"Binary","Maternal health","Birth","At birth, what conditions did the mother have? Pregnancy induced hypertension (preeclampsia): 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["birth_mother_gest_diabetes",0.0844062947067239,0.278195239238749,0,0,1,"Binary","Maternal health","Birth","At birth, what conditions did the mother have? Gestational diabetes: 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["birth_mother_hypertension",0.0185979971387697,0.135197118306105,0,0,1,"Binary","Maternal health","Birth","At birth, what conditions did the mother have? Hypertension: 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["caesarean_fetal_distress",0.0329041487839771,0.178513459630628,0,0,1,"Binary","Maternal health","Birth","If Caesarean section, were any of the following reasons noted? Fetal distress: 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["caesarean_failure_progress",0.0643776824034335,0.245600265450719,0,0,1,"Binary","Maternal health","Birth","If Caesarean section, were any of the following reasons noted?  Failure to progress: 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["caesarean_cephalopelvic_disproportion",0.011444921316166,0.106443149935992,0,0,1,"Binary","Maternal health","Birth","If Caesarean section, were any of the following reasons noted?  CPD (cephalopelvic disproportion): 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["birth_vaginal_assisted",0.108726752503577,0.311518985816219,0,0,1,"Binary","Maternal health","Birth","Method of delivery: Vaginal/assisted (includes Vaginal Forceps assisted, Vaginal Vacuum Extracted, and Assested Breech (normal delivery often with forceps)). 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["birth_caesarean",0.223175965665236,0.416673532743048,0,0,1,"Binary","Maternal health","Birth","Method of delivery: caesarean (includes -Elective Caesarean section, Caesarean section (during labour), Emergency Caesarean section (During labour) and Emergency Caesarean section (Without labour)). 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["birth_caesarean_emergency",0.0743919885550787,0.262595641179876,0,0,1,"Binary","Maternal health","Birth","Method of delivery: urgent caesarean (includes Emergency Caesarean section (During labour) and Emergency Caesarean section (Without labour)). 0=No, 1=Yes. Prevalence can be obtained by multiplying the mean by 699 (sample size). "]
["maternal_age",33.2961373390558,4.63722628086713,20,33,45,"Numeric","Maternal health","Birth","Maternal age."]