Additional file 1: Table S1. of Associations among maternal pre-pregnancy body mass index, gestational weight gain and risk of autism in the Han Chinese population

Difference between the Chinese and WHO BMI standards and between the Chinese and IOM recommended GWG standards. Table S2. Odds ratios and 95% confidence intervals for the association between the IOM GWG standards and autism using different WHO’s pre-pregnancy BMI classifications. (DOCX 19 kb)