Table 1. Characteristics of the 13,814 Long-term Evaluation (2007/8) participants, by sex and trial arm.
| Variable | Male (n = 7300) | Female (n = 6514) | ||
| Intervention | Comparison | Intervention | Comparison | |
| N = 3807 | N = 3493 | N = 3276 | N = 3238 | |
| Age (years) | ||||
| <20 | 660 (17%) | 503 (14%) | 868 (27%) | 795 (25%) |
| 20-21 | 1005 (26%) | 906 (26%) | 953 (29%) | 1001 (31%) |
| 22-23 | 1017 (27%) | 1010 (29%) | 860 (26%) | 909 (28%) |
| > = 24 | 1124 (30%) | 1074 (31%) | 594 (18%) | 532 (16%) |
| Median Age (years) | 22 | 22 | 21 | 21 |
| Ethnic Group (Sukuma) | 2882 (76%) | 2834 (81%) | 2549 (78%) | 2747 (85%) |
| Religion | ||||
| Christian | 3099 (81%) | 2784 (80%) | 2860 (87%) | 2905 (90%) |
| Muslim | 143 (4%) | 187 (5%) | 142 (4%) | 136 (4%) |
| Other religion | 20 (0.5%) | 38 (1%) | 7 (0.2%) | 2 (0.1%) |
| None | 542 (14%) | 476 (14%) | 260 (8%) | 187 (6%) |
| Currently married | 1242 (33%) | 1202 (34%) | 1806 (55%) | 1858 (57%) |
| Ever married | 1346 (35%) | 1327 (38%) | 2121 (65%) | 2168 (67%) |
| Highest level of education | ||||
| 2° school or higher | 864 (23%) | 678 (19%) | 472 (14%) | 411 (13%) |
| Male circumcision (clinical examination) | 1596 (43%) | 1315 (38%) | NA | NA |
| Median reported age at sexual debut (years) | 18 | 17 | 17 | 17 |
| Years of exposure to in-school component of MEMA kwa Vijana between 1999 and 2004 (total intervention exposure) 1 | ||||
| 1 year | 629 (17%) | 576 (16%) | 515 (16%) | 517 (16%) |
| 2 years | 616 (16%) | 647 (19%) | 555 (17%) | 518 (16%) |
| 3 or more years | 2562 (67%) | 2270 (65%) | 2206 (67%) | 2203 (68%) |
| Years of exposure to in-school component of MEMA kwa Vijana between 1999 and 2002 (high quality intervention exposure) 1 | ||||
| 1 year | 1358 (36%) | 1136 (33%) | 1156 (35%) | 1157 (36%) |
| 2 years | 1241 (33%) | 1159 (33%) | 1065 (33%) | 980 (30%) |
| 3 or more years | 1208 (32%) | 1198 (34%) | 1055 (32%) | 1101 (34%) |
| Years since last exposure to in-school intervention 1 | ||||
| 3-4 yrs | 1426 (37%) | 1117 (32%) | 1208 (37%) | 1144 (35%) |
| 5-6 yrs | 1245 (33%) | 1234 (35%) | 1097 (33%) | 1129 (35%) |
| 7-8 yrs | 1136 (30%) | 1142 (33%) | 971 (30%) | 965 (30%) |
| Mean number of years | 5.4 | 5.5 | 5.4 | 5.4 |
1
or exposure to equivalent years in comparison school.