Demographic Characteristics of Study Sample
| Characteristic | N (%) |
|---|---|
| Gender | |
| Female | 768 (48.3) |
| Male | 823 (51.7) |
| Race | |
| White | 1087 (68.3) |
| Hispanic | 312 (19.6) |
| African-American | 103 (6.5) |
| Other | 89 (5.6) |
| Mother's age at time of birth (yr) | |
| <20 | 307 (19.3) |
| 20–24 | 606 (38.1) |
| 25–34 | 545 (34.3) |
| 35+ | 133 (8.4) |
| Residence | |
| Urban | 1075 (67.6) |
| Rural | 516 (32.4) |