Profiles of the study secondary schools
| Schools | Total | |||||
|---|---|---|---|---|---|---|
| Isamilo | Victoria | Lake | Thaqwaafa | Mwanza | ||
| No (%) | No (%) | No (%) | No (%) | No (%) | No (%) | |
| *Causing visual acuity of worse than 6/12 in one or both eyes. | ||||||
| Sex | ||||||
| Male | 32 (52.5) | 35 (66.0) | 318 (67.2) | 491 (62.9) | 605 (52.9) | 1481 (59.0) |
| Female | 29 (47.5) | 18 (34.0) | 155 (32.8) | 290 (37.1) | 538 (47.1) | 1030 (41.0) |
| Ethnicity | ||||||
| African | 6 (9.8) | 10 (18.9) | 402 (85.0) | 707 (90.5) | 1133 (99.1) | 2258 (89.9) |
| South Asian | 38 (62.3) | 35 (66.0) | 60 (12.7) | 6 (0.8) | 2 (0.2) | 141 (5.6) |
| Arab | 0 (0.0) | 5 (9.4) | 3 (0.6) | 30 (3.8) | 2 (0.2) | 40 (1.6) |
| White | 4 (6.6) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 4 (0.2) |
| Mixed | 13 (21.3) | 3 (5.7) | 8 (1.7) | 38 (4.9) | 6 (0.5) | 68 (2.7) |
| Age (years) | ||||||
| 11–13 | 44 (72.1) | 19 (35.9) | 21 (4.4) | 51 (6.5) | 50 (4.4) | 185 (7.4) |
| 14–16 | 17 (27.9) | 32 (60.4) | 199 (42.1) | 464 (59.4) | 524 (45.8) | 1236 (49.2) |
| 17–19 | 0 (0.0) | 2 (3.8) | 164 (34.7) | 242 (31.0) | 466 (40.8) | 874 (34.8) |
| 20+ | 0 (0.0) | 0 (0.0) | 89 (18.8) | 24 (3.1) | 103 (9.0) | 216 (8.6) |
| Significant myopia* | 9 (14.8) | 10 (18.9) | 28 (5.9) | 40 (5.1) | 54 (4.7) | 141 (5.6) |
| Missing or refused | 5 (7.6) | 2 (3.6) | 75 (13.7) | 95 (10.8) | 122 (9.6) | 299 (10.6) |
| Total | 61 (2.4) | 53 (2.1) | 473 (18.8) | 781 (31.1) | 1143 (45.5) | 2511 (100) |