Seroadaptive and conventional risk reduction strategies (n, %) among HIV-negative men* stratified by awareness of PrEP, San Francisco, 2011
| Aware of PrEP N=204 | Not aware of PrEP N=153 | ||||
|---|---|---|---|---|---|
| n | % | n | % | p Value | |
| Seroadaptive and other harm reduction behaviours | 0.418 | ||||
| No sex | 28 | 13.7 | 29 | 19.0 | |
| No anal sex | 6 | 2.9 | 4 | 2.6 | |
| 100% condom | 59 | 28.9 | 55 | 35.9 | |
| Pure serosorting | 67 | 32.8 | 43 | 28.1 | |
| Condom serosorting | 18 | 8.8 | 10 | 6.5 | |
| Seropositioning | 18 | 8.8 | 9 | 5.9 | |
| No strategy | 8 | 3.9 | 3 | 2.0 | |
| Behaviour categories† | 0.069 | ||||
| Conventional risk reduction (no UAI) | 93 | 45.6 | 88 | 57.5 | |
| Any seroadaptive behaviour | 103 | 50.5 | 62 | 40.5 | |
*HIV serostatus based on self-reported result of most recent HIV test.
†Behavioural category p-value compares the frequency of behaviour categories (ie, conventional risk reduction behaviours vs seroadaptive behaviours vs no strategy) rather than specific strategies.
PrEP, pre-exposure HIV prophylaxis; UAI, unprotected anal intercourse.