Characteristics of the children included in the analysis and those not included due to missing data.

aSubjects were included if they had data for maternal adducts and/or cord adducts, as well as data on CBCL, CPRS outcome and all covariates of interest.bSubjects not included are those that had available data on cord and/or maternal adducts but were missing data on the CBCL, CPRS outcomes and/or any covariates included in the final model.cAdduct levels were dichotomized as detectable/non-detectable (“high/low”).dPAH metabolites in child urine at ages 3 or 5 were dichotomized at the respective medians (“high/low”).eChildren with urinary PAH metabolite measurement at ages 3 or 5.fBased on T score. Borderline or clinical defined as percentile ≥93rd.gBased on T score. Moderately to markedly atypical defined as T-score >65.hPercent African American; the remainder are Dominican.iBased on medical record data.jNonverbal intelligence measured by the TONI-2.kMeasure of maternal ADHD.lAge at administration.mHOME Inventory as a measure of the home caretaking environment.nThird trimester in heating season.oBased on CBCL Anxious/Depressed Syndrome Scale measured at age 9.*p-value Characteristics of the children included in the analysis and those not included due to missing data.