Adjusted association of log10 increase in DAPs and birth outcome, stratified by child PON1 genotype or tertiles of arylesterase activity, CHAMACOS Study, Salinas Valley, CA.

aGestational age models adjusted for timing of urine collection, timing of entry into prenatal care, maternal age, parity, country of birth, and household income. bModels of birth weight and head circumference adjusted for timing of urine collection, timing of entry into prenatal care, maternal age, parity, country of birth, household income, prepregnancy BMI, maternal weight gain, infant sex, gestational age, and (gestational age)2. *p-value on stratified association <0.05. †p-value for interaction <0.1.