Authors (Years) | Country | Type of Study (Cohort or Case Control) | Study Population | Duration of follow-up (month) | Sampling | Exposure assessment | Age (Median) | Total number of male partners | Effect size (OR with % 95 CI) or (RR with % 95 CI) | Outcomes | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Piyaraj et al. (2018) [19] | Thailand | Cohort | 1372 MSM | 60 | Volunteered Self−selected men | Self-reported | Total:26 | 1–5 | 786 (57%) | HR: 2.7 (95% CI: 0.6–11) | Increase | |
18–21 | 264 (19%) | |||||||||||
22–29 | 724 (53%) | ≥ 6 | 522 (38%) | HR: 9.7 (95% CI: 2.4–39.7) | Increase | |||||||
≥ 30 | 384 (28%) | |||||||||||
Planky et al. (2007) [20] | USA | Cohort | 4003 MSM | 84 | Volunteered Self−selected men | Self-reported | Total:33.4 | 1 | HR: 2.71 (95% CI: 1.81–4.04) | Increase | ||
18–25 | 672 (17%) | |||||||||||
26–35 | 1795 (45%) | 2–4 | HR: 7.79 (95% CI: 5.17–11.74) | Increase | ||||||||
36–45 | 1148 (28%) | |||||||||||
46–55 | 323 (8%) | ≥ 5 | HR: 13.57(95% CI: 8.43–21.84) | Increase | ||||||||
56 + | 65 (2%) | |||||||||||
Hirshfield et al. (2004) [21] | USA | A Nested Case–Control | 2643 MSM | - | Volunteered Self−selected men | Self-reported | Total: 33 | 2–5 | 1103(%44) | OR: 1.6 (95% CI: 0.6 -3. 9) | Increase | |
18–29 | 1218(46.08) | |||||||||||
30–39 | 728(27.54) | ≥ 6 | 888 (%36) | OR: 3.3 (95% CI: 1.4- 7.8) | Increase | |||||||
40 + | 697(26.37) | |||||||||||
Drumright et al. (2009) [22] | USA | Case–Control | 145 MSM | - | Volunteered Self−selected men | Self-reported | Total:32.4 | 3 | OR: 2.77 (95% CI: 1.2–6.6) | Increase | ||
Brown et al. (2017) [23] | USA | Case–Control | 75 MSM | - | Volunteered Self−selected men | Self-reported | Total: 42.8 | 1 | OR: 5.7 (95% CI: 1.7– 19.3) | Increase | ||
Total: 40.7 | > 1 | OR: 10.5 (95% CI: 2.2– 50.6) | Increase | |||||||||
Hoenigl et al. (2015) [17] | USA | Cohort | 6676 MSM | 12 | Random | Rapid Test | Total: 32 | > 5 | OR: 3.19 (95% CI: 2.52– 4.02) | Increase | ||
Prestage et al. (2009) [18] | Australia | Cohort | 746 MSM | 12 | Volunteered | Self-reported | Total: 39.8 | > 4 | OR: 1.98 (95% CI: 1.23- 3.19) | Increase | ||
Fernandez et al. (2007) [24] | USA | Case–Control | 566 MSM | - | Random | Self-reported | Total: 30.86 | > 1 | OR: 1.038 (95% CI 1.017–1.06) | Increase |