| Mean | SDa | Minimun | Maximum |
---|---|---|---|---|
Age (years) | 24.2 | 5.2 | 19 | 35 |
Raceb | Â | Â | Â | Â |
African American | 19 (86%) | Â | Â | Â |
White | 2 (9%) | Â | Â | Â |
Hispanic | 1 (5%) | Â | Â | Â |
Body Mass Index (BMI; kg/m2) | 29.8 | 4.9 | 20.2 | 39.9 |
Nulliparity | 10 (45%) | Â | Â | Â |
Cesarean delivery | 2/22 (9%) | Â | Â | Â |
Gestational age at delivery (weeks) | 39.8 | 1.0 | 38.1 | 42.1 |
Birthweight (grams) | 3320 | 290 | 2645 | 4090 |
Apgar at 1 minute (median) | 9.0 | Â | 7 | 9 |
Apgar at 5 minutes (median) | 9.0 | Â | 5 | 9 |
Nugent score >=7c | 2 (9%) | Â | Â | Â |