Table 1.
Cohort characteristics
| Characteristic | Whole cohort1 | NW (n = 25)1 | OW/Ob (n = 16)1 | P1,2 |
|---|---|---|---|---|
| Maternal age (years) | 30.8 ±3.1 | 30.6 ± 2.6 | 31.0 ± 3.9 | 0.78 |
| Pre-pregnancy BMI (kg/m2) | 24.6 ±5.1 | 21.2 ± 1.9 | 29.9 ± 3.8 | <0.0001 |
| Maternal gestational weight gain (lb) | 31.1 ±11.2 | 32.5 ± 9.2 | 28.8 ± 13.9 | 0.31 |
| Gestational age (weeks) | 39.9 ± 0.9 | 39.9 ± 0.7 | 39.9 ± 1.0 | 0.79 |
| Delivery type (% vaginal) | 78% | 84% | 69% | 0.25 |
| Infant sex (%male) | 56.1% | 44% | 75% | 0.051 |
| Total breastfeeding exposure | 98 ± 7% | 97 ± 8% | 99 ± 2% | 0.288 |
NW, normal weight pre-pregnant maternal BMI.
OW/Ob, overweight/obese pre-pregnant maternal BMI.
1
Mean ± SD.
2
P-value for comparison between BMI groups.