TABLE 1—
Sample Characteristics: South African National Youth Risk Behaviour Survey, 2002 and 2008
| Characteristic | 2002 | 2008 |
| Sex, no. (%) | ||
| Adolescent boys | 4757 (46.6) | 4870** (49.1) |
| Adolescent girls | 5458 (53.4) | 5058** (50.9) |
| Race, no. (%) | ||
| Black | 7740 (75.8) | 7961** (80.2) |
| Coloreda | 1571 (15.4) | 1440** (14.5) |
| White | 904 (8.8) | 527** (5.3) |
| Age, y, no. (mean age) | 9701 (16.7) | 9672** (16.2) |
| Grade, no. (%) | ||
| 8 | 2774 (27.2) | 2327** (23.4) |
| 9 | 3451 (33.8) | 2364** (23.8) |
| 10 | 2300 (22.5) | 2846** (28.7) |
| 11 | 1690 (16.5) | 2391** (24.1) |
| Location, no. (%) | ||
| Urban | 5483 (53.7) | 5703** (57.4) |
| Rural | 4732 (46.3) | 4225** (42.6) |
| School-level poverty quintile, no. (%) | ||
| 1–2 | 4045 (41.6) | 3391** (35.5) |
| 3–4 | 3967 (40.8) | 4902** (51.3) |
| 5 | 1712 (17.6) | 1259** (13.2) |
Note. Numbers of respondents are unweighted.
a
Mixed Black and White descent.
**P < .01 (proportions or mean significantly different between 2002 and 2008).