Comparisons of body size in boys after adjusting for confounders among 4 dioxin groups.

<p>a: p<0.05, b: p<0.01 as compared with <25 percentile group, c: p<0.05, d: p<0.01 as compared with 25–50 percentile group, e: p<0.05, f: p<0.01 as compared with 50–75 percentile group.</p><p>Mean: adjusted mean, SE: standard error, p: p-value, abs. value: absolute value, age adj. Z: age adjusted z score.</p><p>Confounders for measurements of body size: 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).</p><p>Confounders for z scores of body size: parity (primipara or not), maternal age, weight, educational period (years), alcohol drinking during pregnancy (yes/no), family income, family smoking (yes/no), gestational weeks, and location difference (TK or ST hospital).</p><p>Note: Body size at 1 month was missing for 2 boys.