Summary of results for studies assessing number of partners before and after testing for HIV
| Study | Outcome measure | Sample size | Baseline value of outcome | Change after testing | Follow-up time (months) | p Value |
|---|---|---|---|---|---|---|
| Multiple partnerships and concurrency | ||||||
| Gray et al19 | 2+ partners in last year | 2474 (circumcised) | 34.5% | 1.0% increase | 24 | NR |
| 2522 (uncircumcised) | 34.1% | 1.3% increase | ||||
| Wawer et al22 | 2+ partners in last year | 648 (with circumcised partners) | 3.5% | 0.1% decrease | 24 | NR |
| 597 (with uncircumcised partners) | 3.7% | 0.9% increase | ||||
| Ramjee et al28 | 2+ partners in last 3 months | 958 | 1.7% | 1.0% decrease | 12 | NR |
| Djomand et al31 | 2+ partners in last 6 months | 33 (females) | 66.7% | 58.0% decrease | 12 | NR |
| 4+ partners in last 6 months | 64 (males) | 21.9% | 16.9% decrease | |||
| Ndase et al23 | Concurrency in last month | 2284 (males) | 4.1% | 2.6% increase | 24 | NR |
| 1097 (females) | 0.5% | No change | NR | |||
| Sex with outside partner in last month | 2284 (males) | 4.3% | 14.8% increase | <0.001 | ||
| 1097 (females) | 0.5% | 3.5% increase | <0.001 | |||
| Ruzagira et al21 | Extramarital sex in last year | 495 | 35.7% | 8.3% increase | 24 | NR |
| Monogamy or no partners | ||||||
| Ndase et al23 | Sex with HIV+ primary partner only | 2284 (males) | 90.1% | 23.8% decrease | 24 | NR |
| 1097 (females) | 91.6% | 18.1% decrease | NR | |||
| Gray et al19 | No partners in last year | 2474 (circumcised) | 18.9% | 5.5% decrease | 24 | NR |
| 2522 (uncircumcised) | 19.6% | 5.0% decrease | ||||
| Wawer et al22 | No partners in last year | 648 (with circumcised partners) | 0.0% | 0.5% increase | 24 | NR |
| 597 (with uncircumcised partners) | 0.3% | 0.1% decrease | ||||
| Ramjee et al28 | No partners in last 3 months | 958 | 0.0% | 5.9% increase | 12 | <0.01 |
| Number of partners | ||||||
| Kalichman et al27 | Mean number of partners in last 30 days | 29 (seroconverters) | 2.2 | Relative decrease by 59.1% | 12 | <0.01 |
| 77 (persistently HIV-negative) | 1.7 | Relative decrease by 23.5% | ||||
| Van Damme et al30 | Number of partners in past week | 2120 | 1.0 | Relative decrease of 14% | 12 | <0.001 |
Baseline percentages are calculated as the percentage of people reporting a given outcome. Changes after testing represent absolute changes unless explicitly reported as relative.
NR, not reported.