Table 1.
Socio-demographic characteristics of study participants stratified by Sex
| Socio–demographic Characteristics | Total N = 3302 | Male N = 2336 (71%) | Female N = 966 (29%) | |
|---|---|---|---|---|
| Age years (Median, IQR) | ||||
| 33 (27–39) | 34 (28–40) | 30 (25–36) | ||
| Region | ||||
| Nairobi | 1714 (52%) | 1088 (47%) | 626 (65%) | |
| Coast | 1588 (48%) | 1248 (53%) | 340 (35%) | |
| Marital status | ||||
| Single | 1368 (41%) | 898 (38%) | 470 (49%) | |
| Married | 857 (26%) | 669 (29%) | 188 (19%) | |
| Partnered | 221 (7%) | 114 (5%) | 107 (11%) | |
| Divorced/ Separated/ Widowed | 854 (26%) | 654 (28%) | 200 (21%) | |
| Missing data | 2 | |||
| Employment | ||||
| Formal | 176 (5%) | 133 (6%) | 43 (4%) | |
| Self–employ | 391 (12%) | 252 (11%) | 139 (14%) | |
| Informal | 511 (15%) | 465 (20%) | 46 (5%) | |
| Illegal | 491 (15%) | 167 (7%) | 324 (34%) | |
| No income or partner family support | 256 (8%) | 76 (3%) | 180 (19%) | |
| Others unspecified and missing data | 1477 (45%) | |||
| Housing | ||||
| Stable | 2888 (87%) | 2027 (87%) | 861 (89%) | |
| Unstable | 410 (12%) | 307 (13%) | 103 (11%) | |
| Missing data | 4 | |||
| Partner types | ||||
| Sexual | 590 (18%) | 367 (16%) | 223 (23%) | |
| Injecting | 2326 (70%) | 1685 (72%) | 641 (66%) | |
| Both injecting and sexual | 380 (12%) | 279 (12%) | 101 (10%) | |
| Missing data | 6 | |||
| HIV status | ||||
| Negative | 2697 (82%) | 2046 (88%) | 651 (67%) | |
| Positive | 594 (18%) | 280 (12%) | 314 (33%) | |
| Missing data | 11 | |||
| ART status | ||||
| On ART | 461 (14%) | 221 (9%) | 240 (25%) | |
| Not on ART | 133 (4%) | 59 (3%) | 74 (8%) | |
| Not living with HIV | 2708 (82%) | |||
| Injection drug use status | ||||
| Non–active | 126 (4%) | 74 (3%) | 52 (5%) | |
| Active (injected ≥ 1time last month) | 2622 (79%) | 1909 (82%) | 713 (74%) | |
| Incomplete and missing data | 554 (17%) | |||
| Methadone treatment status | ||||
| Taking Methadone | 676 (20%) | 530 (23%) | 146 (15%) | |
| Not taking Methadone | 2289 (69%) | 1633 (70%) | 656 (68%) | |
| Never injected drugs | 337 (10%) | |||
| Male participants’ sexual partners | ||||
| Only women | 2138 (65%) | 2138 (91.6%) | – | |
| Men (or both men and women) | 190 (5.8%) | 190 (8.1%) | – | |
| NA | 8 (0.2%) | 8 (0.3%) | – | |
| Female participants’ sexual partners | ||||
| Only men | 892 (27%) | – | 892 (92.3%) | |
| Women (or both men and women) | 72 (2.2%) | – | 72 (7.5%) | |
| NA | 2 (0.06%) | – | 2 (0.2%) | |