Table 2 Logistic Regression model examining factors associated with prevalent STI at enrollment visit among all AFRICOS participants
| Unadjusted OR | 95% CI |
Adjusted OR | 95% CI | |
|---|---|---|---|---|
| HIV status | ||||
| HIV-uninfected | Ref | |||
| HIV-uninfected | 1.20 | 0.85–1.69 | ||
| Study site | ||||
| Kayunga, Uganda | 15.24 | 8.15–28.49 | 16.26 | 8.65–30.55 |
| South Rift Valley, Kenya | 2.68 | 1.40–5.16 | 3.03 | 1.56–5.88 |
| Kisumu West, Kenya | – | – | ||
| Mbeya, Tanzania | 3.81 | 1.94–7.47 | 3.70 | 1.88–7.29 |
| Abuja & Lagos Nigeria | 4.50 | 2.21–9.14 | 5.84 | 2.78–12.28 |
| Age at enrollment (years) | ||||
| 18–29 | 2.78 | 1.68–4.58 | 2.29 | 1.35–3.87 |
| 30–39 | 2.43 | 1.50–3.93 | 2.06 | 1.25–3.39 |
| 40–49 | 1.96 | 1.19–3.21 | 1.76 | 1.05–2.93 |
| 50+ | Ref | – | ||
| Sex | ||||
| Male | Ref | – | ||
| Female | 2.80 | 2.08–3.77 | 2.64 | 1.94–3.59 |
| Education | ||||
| Primary or below | 1.51 | 1.16–1.95 | 1.41 | 1.05–1.90 |
| Secondary or above | Ref | – | ||
| Used condom at last sex with regular partner | ||||
| No regular partner | 1.60 | 1.17–2.18 | ||
| Used a condom | ||||
| Did not use a condom | 1.33 | 0.98–1.80 | ||
| Used condom at last sex with casual partner | ||||
| No casual partner | 1.74 | 0.98–3.08 | ||
| Used a condom | Ref | |||
| Did not use a condom | 2.98 | 1.37–6.48 | ||
| Current number of sexual partners | ||||
| No sexual partners | 1.27 | 0.95–1.69 | ||
| One sexual partner | Ref | |||
| Two or more sexual partners | 1.17 | 0.81–1.68 | ||
| Early sexual debut | ||||
| > 16 years at first sex | Ref | |||
| ≤ 16 years at first sex | 1.30 | 1.01–1.66 | ||
| Consume alcohol | ||||
| No | Ref | |||
| Yes | 1.05 | 0.77–1.42 | ||
| Recreational drug use | ||||
| No | Ref | |||
| Yes | 0.23 | 0.06–0.93 | ||
| Depression | ||||
| No | Ref | – | ||
| Yes | 1.88 | 1.42–2.47 | 1.78 | 1.32–2.38 |