Table 4.
Crude and respondent-driven sampling (RDS)-adjusted prevalence estimates from men who have sex with men (MSM) recruited using snowball sampling and RDS methods in Yaoundé, Cameroon.
| Characteristics | Snowball | RDS (N=306) | |||
| n (%) | n (%) | Adjusted % (95% CI) |
Equilibrium wavea | ||
| Age (years) | |||||
| 18-21 | 52 (20.1) | 99 (32.4) | 47.9 (35.7-57.5) | 9 | |
| 22-25 | 101 (39.0) | 106 (34.6) | 32.6 (23.6-43.6) | 6 | |
| 26+ | 106 (40.9) | 101 (33.0) | 19.5 (13.6-27.6) | 9 | |
| Education completed | |||||
| Primary school or lower | 37 (14.3) | 138 (45.1) | 46.2 (35.9-57.4) | 9 | |
| Secondary school/high school | 112 (43.2) | 29 (9.5) | 15.3 (6.9-24.8) | 8 | |
| More than high school | 110 (42.5) | 139 (45.4) | 38.5 (29.2-48.4) | 9 | |
| Employment status | |||||
| Unemployed | 31 (12.5) | 51 (16.8) | 12.9 (7.4-20.6) | 7 | |
| Student | 103 (41.5) | 159 (52.3) | 63.8 (53.3-73.3) | 8 | |
| Employed | 114 (46.0) | 94 (30.9) | 23.4 (15.0-32.5) | 7 | |
| Married | 4 | ||||
| Yes | 7 (2.7) | 9 (2.9) | 1.0 (0.3-2.2) | ||
| No | 251 (97.3) | 297 (97.1) | 99.0 (97.8-99.7) | ||
| Sexual orientation | |||||
| Heterosexual | 3 (1.2) | 1 (0.3) | 1.5 (0.0-4.1) | 4 | |
| Bisexual | 158 (62.0) | 187 (61.9) | 59.4 (50.1-70.5) | 11 | |
| Gay/homosexual | 94 (36.9) | 114 (37.8) | 39.2 (28.2-49.0) | 11 | |
| HIV test in past 12 months, among those not living with HIV | 11 | ||||
| Yes | 188 (88.7) | 152 (67.6) | 55.9 (42.3-73.3) | ||
| No | 24 (11.3) | 73 (32.4) | 44.1 (26.7-57.7) | ||
| Self-reported HIV status | |||||
| Negative | 212 (88.3) | 174 (59.8) | 60.6 (48.8-71.4) | 7 | |
| Positive | 14 (5.8) | 65 (22.3) | 15.1 (8.6-24.5) | 10 | |
| Not tested | 14 (5.8) | 52 (17.9) | 24.3 (14.2-34.7) | 11 | |
| Family knows he has sex with men | 7 | ||||
| Yes | 117 (45.5) | 182 (59.5) | 57.9 (48.1-67.7) | ||
| No | 140 (54.5) | 124 (40.5) | 42.1 (32.3-51.9) | ||
| Treated poorly in health care center because he has sex with men | 6 | ||||
| Yes | 10 (3.9) | 27 (8.8) | 7.4 (3.6-12.0) | ||
| No | 248 (96.1) | 279 (91.2) | 92.6 (88.0-96.4) | ||
| Felt like police refused to protect him because he has sex with men | 9 | ||||
| Yes | 39 (15.1) | 26 (8.5) | 7.1 (3.6-11.9) | ||
| No | 219 (84.9) | 280 (91.5) | 92.9 (88.1-96.4) | ||
| Blackmailed because he has sex with men | 7 | ||||
| Yes | 116 (45.3) | 113 (36.9) | 32.6 (24.0-42.3) | ||
| No | 140 (54.7) | 193 (63.1) | 67.4 (57.7-76.0) | ||
aRespondent-driven sampling (RDS) recruitment wave number at which equilibrium was reached for given variable.