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. 2014 Jan 23;348:g14. doi: 10.1136/bmj.g14

Table 1.

 Maternal, fetal, and childhood characteristics (n=1184). Values are numbers (percentages) unless stated otherwise

Characteristics Value
Maternal
Median (90% range) age, years 31.3 (22.7-38.1)
Mean (SD) height, cm 168.8 (7.0)
Mean (SD) pre-pregnancy weight, kg 66.9 (11.8)
Mean (SD) pre-pregnancy body mass index, kg/m2 23.4 (3.9)
Median (90% range) gestational age at intake, weeks 12.4 (10.5-13.9)
Mean (SD) systolic blood pressure, mm Hg 116.7 (12.4)
Mean (SD) diastolic blood pressure, mm Hg 69.1 (9.4)
Nulliparous 717/1179
Education:
 Primary or secondary school 507/1155 (43.9)
 Higher education 648/1155 (56.1)
Race/ethnicity:
 Dutch, other European 855/1175 (72.8)
 Non-European 320/1175 (27.2)
Smoking habits:
 Non-smoker 820/1060 (77.4)
 Smoker 240/1060 (22.6)
Folic acid supplement use:
 None 119/949 (12.5)
 First 10 weeks 294/949 (31.0)
 Preconception 536/949 (56.5)
Fetal
Median (90% range) gestational age at fetal crown to rump length measurement, weeks 12.4 (11.0-13.9)
Mean (SD) first trimester fetal crown to rump length, cm 61 (11)
Birth and infant
Male sex 575 (48.6)
Median (90% range) gestational age at birth, weeks 40.1 (37.0-42.0)
Mean (SD) birth weight, g 3456 (551)
Ever breast feeding:
 No 80/1046 (7.6)
 Yes 966/1046 (92.4)
Mean (SD) breastfeeding duration, months 5.3 (3.8)
Childhood
Median (90% range) age at follow-up, years 6.0 (5.7-6.8)
Mean (SD) height, cm 119.0 (5.5)
Mean (SD) weight, kg 22.8 (3.7)
Mean (SD) body mass index, kg/m2 16.1 (1.7)
Mean (SD) total fat mass, % 24.6 (5.2)
Mean (SD) android fat mass, % 3.8 (0.9)
Mean (SD) gynoid fat mass, % 15.3 (1.6)
Mean (SD) android/gynoid fat mass ratio 0.25 (0.1)
Mean (SD) systolic blood pressure, mm Hg 102.6 (8.1)
Mean (SD) diastolic blood pressure, mm Hg 60.7 (6.8)
Mean (SD) cholesterol, mmol/L 4.2 (0.7)
Mean (SD) low density lipoprotein cholesterol, mmol/L 2.4 (0.6)
Mean (SD) high density lipoprotein cholesterol, mmol/L 1.3 (0.3)
Mean (SD) high density/low density lipoprotein cholesterol ratio 0.6 (0.2)
Median (90% range) triglycerides, mmol/L 1.0 (0.4-2.1)
Median (90% range) insulin, pmol/L 118.2 (25.9-342.4)
Median (90% range) C peptide, nmol/L 1.0 (0.4-1.9)
Cardiovascular risk factor clustering 81/745 (10.9)