Table 1.
Participant characteristics by prepregnancy BMI category (N = 144); data are mean ± standard deviation or n (%).
| Characteristic | Under/normal weight | Overweight | Obese | P |
|---|---|---|---|---|
| n | 50 (34.7%) | 35 (24.3%) | 59 (41.0%) | |
| Age at menarche (years) | 12.7 ± 1.6 | 12.2 ± 2.0 | 12.0 ± 1.7 | 0.111 |
| Time since menarche (years) | 10.9 ± 5.0 | 13.9 ± 5.9 | 17.4 ± 5.5 | <0.001 |
| Age at study visit (years) | 23.6 ± 4.7 | 26.1 ± 5.8 | 29.4 ± 5.6 | <0.001 |
| Married/living as married | 8 (16.0%) | 8 (22.9%) | 23 (39.0%) | 0.022 |
| Maternal education (years) | 12.6 ± 1.4 | 13.3 ± 1.9 | 13.0 ± 1.7 | 0.128 |
| Parity | 0.4 ± 0.6 | 0.9 ± 1.2 | 1.3 ± 1.2 | <0.001 |
| Nulliparous | 32 (64.0%) | 19 (54.3%) | 17 (28.8%) | 0.001 |
| Grandmother's education (years)a | 13.3 ± 2.0 | 12.7 ± 2.4 | 13.2 ± 2.1 | 0.700 |
| Neighborhood-level poverty at menarche (%) | 24 ± 13 | 26 ± 14 | 30 ± 13 | 0.054 |
| Quartiles of neighborhood-level poverty at menarcheb | 0.320 | |||
| Quartile 1 | 16 (32.0%) | 9 (26.5%) | 10 (17.0%) | |
| Quartile 2 | 12 (24.0%) | 11 (32.4%) | 13 (22.0%) | |
| Quartile 3 | 13 (26.0%) | 7 (20.6%) | 16 (27.1%) | |
| Quartile 4 | 9 (18.0%) | 7 (20.6%) | 20 (33.9%) | |
| Current neighborhood-level poverty (%) | 27 ± 14 | 25 ± 15 | 31 ± 15 | 0.170 |
| Quartiles of current neighborhood-level povertyc | 0.639 | |||
| Quartile 1 | 12 (24.0%) | 11 (32.4%) | 12 (20.7%) | |
| Quartile 2 | 16 (32.0%) | 8 (23.5%) | 12 (20.7%) | |
| Quartile 3 | 12 (24.0%) | 7 (20.6%) | 18 (31.0%) | |
| Quartile 4 | 10 (20.0%) | 8 (23.5%) | 16 (27.6%) |
a8 women missing grandmother's education.
bQuartile 1: 3.4–14%; Quartile 2: ≥14–29%; Quartile 3: ≥29–38%; Quartile 4: ≥38%.
cQuartile 1: 0.8–14%; Quartile 2: ≥14–29%; Quartile 3: ≥29–40%; Quartile 4: ≥40%.