Table 4. Substance use by participant characteristics (N = 3224).
| Variable | Total (%) | Lifetime use | P-value | Current use * | P-value |
|---|---|---|---|---|---|
| n (%) | n (%) | ||||
| Age | |||||
| 10–14 | 1726 (53.5) | 319 (18.5) | 0.07 | 213 (12.3) | 0.392 |
| 15–19 | 1498 (46.5) | 315 (21.0) | 200 (13.4) | ||
| Sex | |||||
| Male | 1515 (47.0) | 395 (26.1) | <0.001 | 261 (17.2) | <0.001 |
| Female | 1709 (53.0) | 239 (14.0) | 152 (8.9) | ||
| District | |||||
| Moshi MC | 667 (20.7) | 142 (21.3) | <0.001 | 93 (13.9) | 0.001 |
| Moshi DC | 1342 (41.6) | 310 (23.1) | 201 (15.0) | ||
| Hai | 533 (16.5) | 89 (16.9) | 50 (9.4) | ||
| Siha | 682 (21.2) | 93 (13.6) | 69 (10.1) | ||
| Days missed class | |||||
| Did not miss class | 2609 (80.9) | 473 (18.1) | <0.001 | 307 (11.8) | 0.001 |
| 1–3 days | 512 (15.9) | 131 (25.6) | 86 (16.8) | ||
| ≥ 4 days | 103 (3.2) | 30 (29.1) | 20 (19.4) | ||
| Ever had sex | |||||
| No | 2924 (90.7) | 467 (16.0) | <0.001 | 292 (10.0) | <0.001 |
| Yes | 300 (9.3) | 167 (55.7) | 121 (40.3) | ||
| Ever been bullied | |||||
| No | 2785 (86.4) | 493 (17.7) | <0.001 | 311(11.2) | <0.001 |
| Yes | 439 (13.6) | 141(32.1) | 102(23.2) | ||
| Seen alcohol advertisement ** | |||||
| Never | 1690 (52.4) | 246 (14.6) | <0.001 | 152 (9.0) | <0.001 |
| Rarely | 1034 (32.0) | 241 (23.3) | 165 (16.0) | ||
| Always | 493 (15.3) | 147 (29.9) | 94 (19.1) | ||
| Ever engaged in a physical fight | |||||
| No | 2486 (77.1) | 392 (15.8) | <0.001 | 239 (9.6) | <0.001 |
| Yes | 738 (22.9) | 242 (32.8) | 174 (23.6) | ||
| Parents/guardians understood your problems * | |||||
| Never | 822 (25.5) | 246 (21.0%) | <0.001 | 152 (12.5) | <0.001 |
| Rarely | 864 (26.8) | 241 (25.0%) | 165 (17.6) | ||
| Always | 1536 (47.6) | 147 (16.0%) | 94 (10.8) | ||
| Classmate social support ** | |||||
| Never | 755 (23.4) | 174 (23.1) | <0.001 | 113 (15.0) | 0.001 |
| Rarely | 1279 (39.7) | 272 (21.3) | 182 (14.2) | ||
| Always | 1189 (36.9) | 188 (15.8) | 118 (9.9) |
* Current use is within 30 days before the survey.
** Frequencies and percentages do not add up due to missing values.