Research Article

Neighborhood-Level Poverty at Menarche and Prepregnancy Obesity in African-American Women

Table 1

Participant characteristics by prepregnancy BMI category (); data are mean ± standard deviation or (%).

CharacteristicUnder/normal weightOverweightObeseP

50 (34.7%)35 (24.3%)59 (41.0%)
Age at menarche (years) 12.7 ± 1.612.2 ± 2.012.0 ± 1.70.111
Time since menarche (years) 10.9 ± 5.013.9 ± 5.917.4 ± 5.5<0.001
Age at study visit (years)23.6 ± 4.726.1 ± 5.829.4 ± 5.6<0.001
Married/living as married8 (16.0%)8 (22.9%)23 (39.0%)0.022
Maternal education (years)12.6 ± 1.413.3 ± 1.913.0 ± 1.70.128
Parity0.4 ± 0.60.9 ± 1.21.3 ± 1.2<0.001
Nulliparous32 (64.0%)19 (54.3%)17 (28.8%)0.001
Grandmother’s education (years)13.3 ± 2.012.7 ± 2.413.2 ± 2.10.700
Neighborhood-level poverty at menarche (%) 24 ± 1326 ± 1430 ± 130.054
Quartiles of neighborhood-level poverty at menarche0.320
 Quartile 116 (32.0%)9 (26.5%)10 (17.0%)
 Quartile 212 (24.0%)11 (32.4%)13 (22.0%)
 Quartile 313 (26.0%)7 (20.6%)16 (27.1%)
 Quartile 49 (18.0%)7 (20.6%)20 (33.9%)
Current neighborhood-level poverty (%)27 ± 1425 ± 1531 ± 150.170
Quartiles of current neighborhood-level poverty0.639
 Quartile 112 (24.0%)11 (32.4%)12 (20.7%)
 Quartile 216 (32.0%)8 (23.5%)12 (20.7%)
 Quartile 312 (24.0%)7 (20.6%)18 (31.0%)
 Quartile 410 (20.0%)8 (23.5%)16 (27.6%)

8 women missing grandmother’s education.
Quartile 1: 3.4–14%; Quartile 2: ≥14–29%; Quartile 3: ≥29–38%; Quartile 4: ≥38%.
Quartile 1: 0.8–14%; Quartile 2: ≥14–29%; Quartile 3: ≥29–40%; Quartile 4: ≥40%.