Table 5a.
Frequency of sero-adaptive strategies by and association with having sex at a group sex event (GSE) in the six months prior to survey for HIV-negative participants (n=520)
| No sex at GSE | Yes, had sex at GSE | Univariate OR | Multivariate AOR | |||
|---|---|---|---|---|---|---|
| n | %(95% CI) | n | %(95% CI) | (95% CI) | (95% CI) | |
| Age (n=719) | 33(25, 46) | 34(27, 49) | 1.01(0.99, 1.02) | Not selected | ||
| Sero-adaptive strategies used (n=520)* | ||||||
| Always using condoms | 275 | 69.1(63.0, 75.2) | 60 | 54.7(40.9, 68.5) | 0.54(0.35, 0.84) | Not selected |
| Being the top for anal sex | 99 | 21.2(16.1, 26.3) | 39 | 28.7(17.8, 39.6) | 1.50(0.92, 2.44) | Not selected |
| Not having anal sex | 200 | 42.4(35.9, 48.8) | 58 | 43.8(30.3, 57.2) | 1.06(0.68, 1.64) | Not selected |
| Only have condomless sex with HIV− men | 147 | 32.7(26.7, 38.8) | 35 | 22.4(13.2, 31.5) | 0.59(0.36, 0.99) | 0.53(0.31, 0.91) |
| Only have condomless sex with HIV+ men with low viral load / on HIV treatment | 24 | 5.2(2.1, 8.3) | 27 | 19.7(10.2, 29.2) | 4.49(2.36, 8.54) | 4.92(2.49, 9.74) |
| Withdrawal | 104 | 22.2(16.6, 27.7) | 42 | 28.3(17.8, 38.7) | 1.38(0.85, 2.28) | Not selected |
| Ask partner their HIV serostatus before sex | 260 | 59.8(53.0, 66.5) | 66 | 58.9(45.0, 72.7) | 0.96(0.62, 1.50) | Not selected |
| Assumption of anal sex partner's HIV status if not disclosed (n=521) | ||||||
| Assume positive | 74 | 21.4(15.3, 27.6) | 27 | 24.4(12.7, 36.2) | Referent | Referent |
| Assume negative | 142 | 32.0(25.9, 38.0) | 24 | 18.5(7.9, 29.2) | 0.51(0.27, 0.98) | 0.68(0.34, 1.35) |
| Look for other signs | 33 | 6.6(3.7, 9.5) | 16 | 18.6(5.7, 31.4) | 2.45(1.19, 5.07) | 3.10(1.45, 6.67) |
| Make no assumptions | 158 | 40.0(33.3, 46.6) | 47 | 38.5(25.3, 51.7) | 0.84(0.48, 1.48) | 1.05(0.58, 1.90) |
| Seek HIV− partners to avoid using condoms (n=509) | ||||||
| No | 287 | 68.9(62.4, 75.3) | 83 | 73.8(61.3, 86.3) | Referent | Not selected |
| Yes | 112 | 31.1(24.7, 37.6) | 27 | 26.2(13.7, 38.7) | 0.78(0.48, 1.29) | |
OR = odds ratio, AOR = adjusted odds ratio, 95% CI = 95% Confidence Interval, P6M = past six months
*
referent is not having done that specific sexual behaviour
NB: All statistics are RDS-adjusted (except raw sample size, n)