Sample description of adolescent reporting data for a social class gradient
| Baltimore, Maryland 1992 | Western Maryland 1992 | Rural Maine 1999 | Total | |
|---|---|---|---|---|
| Total sample, N (%) | 826 (25.0) | 1649 (49.8) | 834 (25.2) | 3309 (100) |
| Male, N (%) | 382 (46.2) | 836 (50.9) | 403 (48.4) | 1621 (49.1) |
| Female, N (%) | 444 (53.8) | 805 (49.1) | 430 (51.6) | 1679 (50.9) |
| Mean age (SD) | 14.3 (1.76) | 14.6 (1.78) | 14.4 (2.04) | 14.5 (1.85) |
| <14, N (%) | 258 (31.2) | 519 (31.6) | 305 (36.7) | 1082 (32.8) |
| 14–15, N (%) | 310 (37.5) | 546 (33.3) | 251 (30.2) | 1107 (33.6) |
| ≥16, N (%) | 258 (31.2) | 576 (35.1) | 274 (33.0) | 1108 (33.6) |
| Race/ethnicity | ||||
| White, N (%) | 98 (12.0) | 1584 (97.0) | 733 (88.6) | 2415 (73.8) |
| Black, N (%) | 689 (84.6) | 9 (0.6) | 13 (1.6) | 711 (22.7) |
| Other, N (%) | 27 (3.3) | 40 (2.4) | 81 (9.8) | 148 (4.5) |
| Social class gradient | ||||
| Highest, N (%) | 471 (57.0) | 578 (35.1) | 434 (52.0) | 1483 (44.8) |
| Middle, N (%) | 212 (25.7) | 577 (35.0) | 212 (25.4) | 1001 (30.3) |
| Lowest, N (%) | 143 (17.3) | 494 (30.0) | 188 (22.5) | 825 (24.9) |