Association between cord blood PAEs levels and gestational age and preterm delivery.

aConcentrations were converted into categorical variables as detectable and non-detectable.bConcentrations below the level of detection (LOD) were replaced by LOD/√2 and transformed into Ln- transformation.cUnadjusted regression coefficients for linear regression analyses.dRegression coefficients for linear regression analyses adjusted for maternal age, BMI, frequency of prenatal examination, history of intravenous infusions therapy and pregnancy history.eUnadjusted odds ratios from binary logistic regression analyses.fOdds ratios from binary logistic regression analyses adjusted for maternal age, BMI, frequency of prenatal examination and pregnancy history.gOdds ratio from binary logistic regression analyses adjusted for maternal age, BMI, frequency of prenatal examination and pregnancy history in the group with no history of intravenous infusions therapy.hOdds ratio from binary logistic regression analyses adjusted for maternal age, BMI, frequency of prenatal examination and pregnancy history in the group with a history of intravenous infusions therapy.*p**p