Adriëtte Oostvogels

3 97 pBMI, lipids and offspring’s body composition Study population n=1728 Lost to follow- up n=1378 SD Maternal characteristics Age (years) 31.9 (4.3) 30.1 (5.1) c pBMI (kg/m 2 ) 22.8 (3.6) 22.9 (3.7) Ethnicity (%) c Dutch 77.4 67.9 Turkish 2.1 4.2 Moroccan 4.1 6.5 Other non-Western 9.8 13.7 Other Western 6.7 7.6 Primiparous (% yes) 56.7 58.0 Education after primary school (years) 10.1 (3.5) 8.7 (3.9) c Height (cm) 169.7 (7.0) 168.8 (7.1) c Hypertension (%) Pre-existing 2.4 3.2 pregnancy induced 8.5 9.1 Smoking (yes, %) 10.6 8.4 a Alcohol (yes, %) 30.0 21.3 c Lipids Total cholesterol (mmol/L) 5.12 0.93 5.14 0.94 Tryglyceride (mmol/L) 1.40 0.55 1.43 0.59 Child characteristics Gestational age (days) 281 (8.0) 281 (8.4) Sex (%) Boy 48.4 48.8 Girl 51.6 51.2 Birth weight (g) 3542 (487) 3513 (482) Standardized birth weight 1.01 (0.12) 1.00 (0.12) Breastfeeding (%) No breastfeeding 14.5 18.9 c < 1 month 6.3 9.2 1-3 months 26.7 29.9 >3 months 52.4 42.0 Supplementary Table. Maternal and child characteristics of the study population and the group lost to follow-up.