Table 4. Incidence of HIV, STIs, and pregnancy in study participants who report sex during study participation (n = 135) and overall (n = 223) comparing males vs. females.
| Male | Female | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total cases | PYAR | Incidence* | 95% CI | Cases | MYAR | Incidence | 95% CI | Cases | FYAR | Incidence | 95% CI | p-value** | |
| Incident HIV | |||||||||||||
| Reporting sex | 2 | 133.4 | 1.5 | 0.4–6.0 | 0 | 48.8 | 0 | -- | 2 | 83.9 | 2.4 | 0.6–9.5 | 0.94 |
| Everyone | 2 | 223.4 | 0.9 | 0.2–3.6 | 0 | 81.8 | 0 | -- | 2 | 141.6 | 1.4 | 0.4–5.6 | 0.95 |
| Incident Gonorrhea | |||||||||||||
| Reporting sex | 6 | 131.7 | 4.6 | 2.0–10.1 | 0 | 48.8 | 0 | -- | 6 | 82.9 | 7.2 | 3.3–16.1 | 0.06 |
| Everyone | 7 | 222.4 | 3.1 | 1.5–6.6 | 0 | 81.8 | 0 | -- | 7 | 140.6 | 5.0 | 2.4–10.4 | 0.04 |
| Incident Chlamydia | |||||||||||||
| Reporting sex | 20 | 134.1 | 14.9 | 9.6–23.1 | 3 | 48.8 | 6.1 | 2.0–19.1 | 17 | 85.3 | 19.9 | 12.4–32.0 | 0.04 |
| Everyone | 22 | 224.8 | 9.8 | 6.4–14.9 | 3 | 81.9 | 3.7 | 1.2–11.4 | 19 | 143.0 | 13.3 | 8.5–20.8 | 0.02 |
| Incident HSV | |||||||||||||
| Reporting sex | 8 | 133.3 | 6.0 | 3.0–12.0 | 0 | 48.8 | 0 | -- | 8 | 84.5 | 9.5 | 4.7–18.9 | 0.03 |
| Everyone | 10 | 224.1 | 4.5 | 2.4–8.3 | 0 | 81.8 | 0 | -- | 10 | 142.3 | 7.0 | 3.8–13.1 | 0.01 |
| Incident Pregnancy | |||||||||||||
| Reporting sex | NA | -- | -- | -- | NA | -- | -- | -- | 12 | 84.7 | 14.2 | 8.0–25.0 | NA |
| Everyone | NA | -- | -- | -- | NA | -- | -- | -- | 14 | 142.6 | 9.8 | 5.8–16.6 | NA |
PYAR: Person years at risk, MYAR: Male years at risk, FYAR: Female years at risk
*Incidence reported as cases per 100 years at risk and 95% confidence interval (CI)
**Incidence rate ratio comparing males to females within each row
NA: Not applicable