Table 1.
Demographic characteristics of the women included in the study.
| Characteristics | Median (IQR) or % (n) |
|---|---|
| Age (years) | 25 (21–28) |
| Prepregnant BMI (kg/m2) | 25.8 (22.5–30.9) |
| Nulliparity (%) | 32.7% (16) |
| Race (%) | |
| African American | 91.8% (45) |
| White | 4.1% (2) |
| Other | 4.1% (2) |
| Gestational age at delivery (weeks) | 39.3 (38.6–39.9) |
| Route of delivery | |
| Vaginal delivery | 53.1%(26) |
| Cesarean delivery | 46.9% (23) |
| Birth weight (grams) | 3,285 (3,050–3,495) |
Continuous data are presented as median [Interquartile Range (IQR)] and categorical data as percentage (number). BMI, body mass index.