Table 1.
Sociodemographic Distributions of the Unweighted and Final Weighted Sample Data
| % (SE) |
||
|---|---|---|
| Sociodemographic Variable | Unweighted | Weighted |
| Age, y | ||
| 13 | 16.3 (1.3) | 15.2 (1.4) |
| 14 | 21.9 (1.1) | 21.0 (1.1) |
| 15 | 18.6 (0.6) | 20.5 (0.8) |
| 16 | 19.9 (0.9) | 21.0 (1.2) |
| 17-18 | 23.3 (1.2) | 22.3 (1.0) |
| Sex | ||
| Male | 48.9 (0.5) | 51.3 (0.9) |
| Female | 51.1 (0.5) | 48.8 (0.9) |
| Race | ||
| Hispanic | 18.9 (1.0) | 14.4 (1.2) |
| Non-Hispanic black | 19.3 (1.1) | 15.1 (1.0) |
| Other | 6.1 (0.4) | 5.0 (0.6) |
| Non-Hispanic white | 55.7 (1.4) | 65.6 (1.6) |
| Parents’ education | ||
| >High school | 16.6 (0.7) | 15.5 (1.0) |
| High school graduate | 30.4 (0.7) | 29.7 (1.3) |
| Some college | 19.7 (0.6) | 19.4 (0.7) |
| College graduate | 33.2 (1.0) | 35.3 (1.6) |
| Family income | ||
| Low | 17.0 (0.7) | 14.7 (0.8) |
| Low average | 20.0 (0.4) | 19.1 (0.5) |
| High average | 30.6 (0.6) | 31.9 (0.8) |
| High | 32.4 (0.9) | 34.3 (1.2) |
| Census region | ||
| Northeast | 18.5 (1.0) | 18.1 (2.4) |
| Midwest | 27.4 (1.0) | 23.3 (2.2) |
| South | 33.9 (0.7) | 36.0 (2.7) |
| West | 20.2 (0.5) | 22.6 (2.3) |
| Urbanicity | ||
| Census major metropolitan area | 44.5 (0.9) | 47.5 (2.4) |
| Other urbanized county | 32.6 (1.4) | 37.6 (3.0) |
| Rural county | 22.8 (1.4) | 14.9 (2.0) |
| Biological parents living with adolescent, No. |
||
| 0 | 9.6 (0.4) | 9.3 (0.7) |
| 1 | 37.5 (0.7) | 35.7 (1.1) |
| 2 | 52.9 (1.0) | 55.0 (1.3) |
| Birth order | ||
| Oldest | 30.3 (0.5) | 33.6 (0.8) |
| Middle | 37.4 (0.6) | 33.0 (0.8) |
| Youngest | 27.5 (0.5) | 27.9 (0.9) |
| Only | 4.8 (0.3) | 5.5 (0.3) |
| Siblings, No. | ||
| ≤3 | 43.8 (0.8) | 39.6 (0.9) |
| 2 | 26.0 (0.5) | 26.5 (0.7) |
| 1 | 25.4 (0.6) | 28.4 (0.8) |
| 0 | 4.8 (0.3) | 5.5 (0.3) |