TABLE 1.
Characteristics of pregnant adolescents1
| Maternal characteristic | Value |
| Total subjects, n | 158 |
| Maternal age at enrollment, y | 17.1 ± 1.1 [158]1 |
| Race | |
| African American, % | 64.6 |
| Caucasian, % | 35.4 |
| Ethnicity | |
| Hispanic, % | 24.7 |
| Non-Hispanic, % | 75.3 |
| Prepregnancy BMI, kg/m2 | 24.7 ± 5.4 [156] |
| Gestational weight gain, kg | 17.0 ± 7.9 [150] |
| Parity >0, n (%) | 158 (8.9) |
| Dietary vitamin D intake,2 IU/d | 203.6 ± 120.9 [156] |
| Dietary iron intake,2 mg/d | 18.6 ± 9.7 [156] |
| Neonatal birth weight, g | 3204 ± 582 [149] |
| Preterm birth, n (%) | 152 (8.6) |
1
Mean ± SD; n in brackets (all such values).
2
Intake was calculated from the mean of all 24-h dietary recalls administered (≤3 recalls/participant).