Table 1.
Characteristics of Pregnant Adolescents and their Neonates at Birth1
| Subject Characteristics | All Subjects | African American Adolescents |
Caucasian Adolescents |
|---|---|---|---|
| Total Recruitment | 168 | 66.1% (111) | 33.9% (57) |
| Age at Enrollment (years) | 17.1 ± 1.1 (167) | 17.1 ± 1.2 (110) | 17.2 ± 0.9 (57) |
| Hispanic Non-Hispanic |
24.1 % (39) 75.9% (123) |
6.6 % (7)2 93.4% (99) |
57.1 % (32) 42.9 % (24) |
| Ca Intake (mg/day) | 913 ± 414 (162) | 886 ± 421 (106) | 963 ± 400 (56) |
| Vitamin D Intake (μg/d) | 5.4 ± 3.4 (162) | 5.3 ± 3.4 (106) | 5.7 ± 3.3 (56) |
| Pre-Pregnancy BMI (kg/m2) |
24.7 ± 5.3 (163) | 24.4 ± 5.1 (106) | 25.2 ± 5.7 (57) |
| Parity ≥ 1 | 9.2% (167) | 9.1% (110) | 9.3% (57) |
| Gestational Age at Enrollment (weeks) |
22.1 ± 5.7 (165) | 22.6 ± 5.8 (110) | 21.1 ± 5.5 (57) |
| Gestational Age at Delivery (weeks) |
39.2 ± 2.9 (162) | 39.2 ± 2.8 (107) | 39.2 ± 3.1 (55) |
| Birth Weight (g) | 3236 ± 592 (159) | 3207 ± 607 (105) | 3293 ± 561 (54) |
| Preterm | 8.6% (162) | 8.4% (107) | 9.1% (55) |
| Birth Weight > 4500 | 8.8% (159) | 9.5% (105) | 7.4% (54) |
| Birth Weight < 2500 | 6.29% (159) | 5.71 (105) | 7.41% (54) |
1
Data are reported as the mean ± SD, or percentage, with the sample size in parentheses.
2
Significantly different than Caucasians: p<0.0001.