Table 1 CHAMACOS maternal and child characteristics

Sex (male/female)

221/223

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Gestational age (weeks)

444

38.9

33–42

38.7, 39.0

Parity

444

1.3

0–9

1.1, 1.4

Birth weight (kg)

444

3.46

1.93–4.89

3.41, 3.50

Weight gain in 1^st 6 months (kg)

229

0.73

0.34–1.22

0.71, 0.75

BMI at 9 years (kg/m²)

240

20.7

13.9–33.8

20.1, 21.3

BMI z-score

240

1.11

−1.57–2.70

0.98, 1.24

Maternal age at pregnancy (years)

444

25.6

18–43

25.1, 26.1

Maternal pre-pregnancy BMI (kg/m²)

444

27.0

17.7–57.3

26.5, 27.5