| Characteristics | |
| Age, y, n (%) | |
| 13–17 | 517 (23.0) |
| 18–25 | 1,137 (50.7) |
| 26–35 | 440 (19.6) |
| 36–54 | 150 (6.7) |
| Age, y, mean (SD) | 22.7 (7.4) |
| Ethnic group, n (%) | |
| Luo | 2,191 (97.6) |
| Other | 53 (2.4) |
| Religion, n (%) | |
| Christian | 2,151 (95.9) |
| Muslim | 18 (0.8) |
| Other | 75 (3.3) |
| Marital status, n (%) | |
| Single | 1,618 (72.1) |
| Married or living with partner | 606 (27.0) |
| Unknown | 20 (0.9) |
| Education, n (%) | |
| No secondary education | 656 (29.2) |
| At least some secondary education | 1,588 (70.8) |
| Employment status, n (%) | |
| Unemployed | 401 (17.8) |
| Student | 950 (42.4) |
| Employed | 883 (39.3) |
| Unknown | 10 (0.4) |
| Distance to clinic, km, mean (SD) | 5.5 (6.5) |
| Mode of transportation to clinic, n (%) | |
| Walking | 1,274 (57.7) |
| Car or bus | 389 (17.6) |
| Motorcycle or bicycle | 482 (21.8) |
| Other/unknown | 99 (4.4) |
| HIV positive,a n (%) | |
| Self | 131 (5.8) |
| Partner (primary or other) | 57 (2.5) |
Abbreviations: SD, standard deviation.
↵a Self-reported by participants.