Table 1.
Demographics and behavioral characteristics of students in rural KwaZulu-Natal, South Africa.
| Characteristic | Males (N=1252) | Females (N=1423) | Adjusted# P-value |
||
|---|---|---|---|---|---|
| Unadjusted % (n/N) |
Adjusted# % |
Unadjusted % (n/N) |
Adjusted# % |
||
| Demographic Characteristics | |||||
| Age Median (IQR) | 17 (16–18) years | – | 16 (15–17) years | – | <0.001 |
| Age Range | 12–28 years | – | 13–24 years | – | |
| Age category | |||||
| ≤ 15 years | 23.7(297) | 25.6 | 41.5(591) | 41.6 | 0.002 |
| 16–17 years | 40.3(505) | 40.4 | 37.7(537) | 37.5 | 0.383 |
| 18–19 years | 27.5(344) | 26.0 | 14.9(212) | 14.8 | 0.005 |
| ≥20 years | 8.5(106) | 8.0 | 5.8(83) | 6.1 | 0.518 |
| Head of household | |||||
| Both parents | 16.9 (210/1240) | 16.9 | 20.1 (283/1411) | 20.1 | 0.210 |
| Father only | 16.9 (210/1240) | 17.2 | 15.7 (222/1411) | 15.6 | 0.241 |
| Mother only | 33.1 (410/1240) | 33.2 | 32.4 (457/1411) | 32.1 | 0.613 |
| Other | 33.1 (410/1240) | 32.7 | 31.8 (449/1411) | 32.1 | 0.838 |
| Adult deaths in household in last year | |||||
| 0 | 57.5 (709/1234) | 57.0 | 53.4 (751/1406) | 53.0 | 0.137 |
| 1 | 18.3 (226/1234) | 18.6 | 20.3 (285/1406) | 20.2 | 0.311 |
| >1 | 24.2 (299/1234) | 24.4 | 26.3 (370/1406) | 26.9 | 0.399 |
| Grade | |||||
| Grade 9 | 45.9(572) | 45.6 | 49.2(699) | 47.9 | 0.575 |
| Grade 10 | 54.1(675) | 54.4 | 50.8(722) | 52.1 | 0.575 |
| Behavioral Characteristics | |||||
| Experience of penovaginal sex | 34.8(429/1232) | 33.1 | 21.9(307/1399) | 21.6 | 0.009 |
| Age at coital debut (Median, IQR); (N) | 15 (14–17) years; (423) | – | 16 (15–17) years; (293) | – | <0.001 |
| Threat of violence for sex | 6.7 (83/1234) | 6.7 | 6.8 (95/1406) | 6.9 | 0.924 |
| Partner Characteristics | |||||
| Younger partner | 24.4 (119/487) | 26.8 | 9.0 (28/311) | 10.8 | <0.001 |
| Same age partner | 22.2 (108/487) | 22.4 | 9.0 (28/311) | 9.7 | <0.001 |
| <4 years older | 39.2 (191/487) | 38.0 | 43.4 (135/311) | 43.1 | 0.177 |
| 4–7 years older | 11.3 (55/487) | 10.0 | 32.8 (102/311) | 31.5 | <0.001 |
| ≥8 years older | 2.9 (14/487) | 2.9 | 5.8 (18/311) | 4.9 | 0.304 |
#
Adjusted measures were calculated based on cluster(school)-level summaries appropriate for school-based sampling; for those variables where there were missing observations, the total number of observations (N) is shown.