Summary of results for studies assessing frequency of sex acts before and after testing for HIV
| Study | Outcome measure | Sample size | Baseline value of outcome | Change after testing | Follow-up time (months) | p Value |
|---|---|---|---|---|---|---|
| Had sex/was abstinent | ||||||
| Ramjee et al28 | Had vaginal sex in last week | 958 | 70.9% | 7.1% decrease | 12 | NR |
| Kiene et al20 | Became abstinent* | 131 (risky participants only) | NR | 7.6% increase | 3 | NR |
| Ndase et al23 | No sex in last month | 2284 (males) | 5.6% | 9.1% increase | 24 | NR |
| No sex in last month | 1097 (females) | 7.9% | 14.6% increase | |||
| Number of sex acts | ||||||
| Kiene et al20 | Mean number of sex acts in last 3 months | 213 (all participants) | 18.1 | Relative increase by 9.4% | 3 | NR |
| Van Damme et al30 | Number of vaginal sex acts in past week | 2120 | 3.7 | Relative decrease of 15.7% | 12 | <0.001 |
| Mugwanya et al25 | Average number of sex acts per month with HIV+ partner | 3024 | 4.14 | Relative decrease of 12.8% | 24 | 0.4 (over time) |
| Average of number of sex acts per month outside primary relationship | 0.67 | Relative increase of 25.4% | 0.006 (over time) | |||
Baseline percentages are calculated as the percentage of people reporting a given outcome. Changes after testing represent absolute changes unless explicitly reported as relative.
*No timescale specified for abstinence.
NR, not reported.