Odds ratio (OR) of experiencing diabetes at 21 years post-partum by weight gain per week per 0.1 kg (N = 3386).

Model 1- adjusted for IOM categories and maternal age at first clinic visit.Model 2- adjusted for model 1 plus maternal smoking during pregnancy, parity, maternal educational attainment, race, TV watching and exercise before pregnancy.Model 3- adjusted for model 2 plus breastfeeding duration.Model 4- adjusted for model 3 plus BMI at 21 years.Model 5- model 3 results are repeated stratifying by the maternal pre-pregnancy BMI>25 kg/m2 and BMI≥25 kg/m2.Model 6- model 5 is repeated further adjusting for maternal BMI at 21 yr. At 21 yr we have measured BMI only for a sub-sample of women.