TABLE 1.
Characteristics of the mothers and infants at baseline1
| Choline group(n = 49) | Control group(n = 50) | |
| Maternal characteristics | ||
| Age at conception (y) | 30.2 ± 3.8 | 30.8 ± 4.9 |
| Weight at conception (kg) | 59.5 ± 11.8 | 65.3 ± 15.1* |
| BMI at conception (kg/m2) | 22.1 ± 2.2 | 24.0 ± 4.1* |
| Weight gain during pregnancy (kg) | 15.3 ± 4.9 | 15.6 ± 4.6 |
| Maternal education (y) | 17.3 ± 1.7 | 17.0 ± 1.6 |
| Paternal education (y) | 17.0 ± 2.2 | 16.7 ± 2.2 |
| Annual income ($ thousands) | 62.6 ± 31.4 | 68.2 ± 42.7 |
| Infant characteristics | ||
| Length of gestation (wk) | 39.5 ± 1.6 | 39.3 ± 1.4 |
| Weight at birth (kg) | 3.4 ± 0.5 | 3.5 ± 0.5 |
| Length at birth (cm) | 51.6 ± 2.5 | 51.8 ± 2.5 |
| Occipitofrontal circumference (cm) | 34.6 ± 1.4 | 34.4 ± 1.6 |
All values are means ± SDs. *Significantly different from the supplemented group, P < 0.05.