Comparisons of Bayley III scores after adjusting for confounders among 4 dioxin groups.

a: pN: number of subjects, Mean: adjusted mean, SE: standard error, p: p-value.cs: composite score, ss: scale score, com: communication.Confounders: parity (primipara or not), maternal age, weight, educational period (years), alcohol drinking during pregnancy (yes/no), family income, family smoking (yes/no), gestational weeks, infant age (days) on the day of each examination, and location difference (TK or ST hospital).Note: Bayley III test could not be performed for 1 girl.