| HIV (n = 1031)a | HSV-2 (n = 961) | Syphilis (n = 970) | |||
---|---|---|---|---|---|---|
Factors | HR (95Â % CI)b | AHR (95Â % CI) | HR (95Â % CI) | AHR (95Â % CI) | HR (95Â % CI) | AHR (95Â % CI) |
Age | 0.92, 0.89–0.95 | 0.94, 0.91–0.97 | 0.97, 0.94–1.01 |  | 0.96, 0.90–1.01 |  |
Current living situation | ||||||
With family | Reference | Â | Reference | Â | Reference | Â |
With partner | 1.25, 0.77–2.05 |  | 1.23, 0.72–2.12 |  | 1.86, 0.95–3.66 |  |
Alone/with roommate | 1.52, 1.09–2.13 |  | 1.26, 0.87–1.84 |  | 1.20, 0.70–2.07 |  |
Sexual debut ≥18 years | ||||||
Yes | 0.62, 0.45–0.85 |  | 0.63, 0.44–0.90 |  | 0.69, 0.41–1.14 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Usual sexual position | ||||||
Insertive | Reference | Â | Reference | Â | Reference | Â |
Receptive/versatile | 1.72, 1.23–2.40 |  | 0.94, 0.66–1.33 |  | 1.01, 0.62–1.67 |  |
Ever coerced into sex | ||||||
Yes | 0.67, 0.47–0.97 |  | 0.89, 0.58–1.38 |  | 0.63, 0.36–1.12 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Risk behaviors in the last 12Â months: | ||||||
Used Ecstasy | ||||||
Yes | 2.00, 1.11–3.61 |  | 1.87, 0.97–3.60 |  | 1.83, 0.66–5.08 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Used nitrate inhalants (poppers)Â | ||||||
Yes | 2.32, 1.48–3.62 |  | 1.72, 0.99–2.99 |  | 2.36, 1.16–4.80 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Used methamphetamine-type stimulants | ||||||
Yes | 1.71, 1.08–2.72 |  | 1.73, 1.04–2.89 |  | 2.26, 1.18–4.33 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Used drugs to enhance sex | ||||||
Yes | 1.68, 1.14–2.47 |  | 1.54, 0.99–2.40 |  | 2.27, 1.28–4.03 | 1.85, 1.03–3.33 |
No | Reference | Â | Reference | Â | Reference | Â |
Receptive anal intercourse | ||||||
Yes | 5.70, 3.09–10.5 | 3.10, 1.66–5.79 | 1.99, 1.24–3.20 |  | 1.99, 1.04–3.82 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Cleansing after anal intercourse | ||||||
Yes | 0.77, 0.70–0.85 | 0.88, 0.79–0.97 | 0.95, 0.87–1.03 |  | 0.94, 0.84–1.05 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Had >1 steady partner | ||||||
Yes | 1.38, 0.94–2.04 |  | 2.32, 1.35–3.99 |  | 2.74, 1.31–5.71 | 2.10, 1.00–4.41 |
No | Reference | Â | Reference | Â | Reference | Â |
Casual partner: | ||||||
0 partner | Reference | Â | Reference | Â | Reference | Â |
1 partner | 1.42, 0.64–3.18 |  | 1.95, 0.92–4.16 |  | 1.44, 0.57–3.64 |  |
2–4 partners | 2.48, 1.41–4.34 |  | 1.31, 0.69–2.47 |  | 1.33, 0.64–2.77 |  |
5–7 partners | 2.56, 1.42–4.64 |  | 1.58, 0.83–3.02 |  | 1.06, 0.45–2.47 |  |
8–14 partners | 2.62, 1.48–4.64 |  | 1.84, 1.01–3.33 |  | 1.46, 0.70–3.03 |  |
Had transgender partner | ||||||
Yes | 0.76, 0.34–1.71 |  | 2.11, 1.16–3.83 | 2.07, 1.13–3.77 | 0.32, 0.04–2.32 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Had group sex | ||||||
Yes | 1.87, 1.36–2.57 | 1.51, 1.08–2.10 | 1.38, 0.95–2.00 |  | 1.20, 0.70–2.07 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Was paid for sex | ||||||
Yes | 1.20, 0.78–1.82 |  | 1.71, 1.12–2.63 |  | 1.83, 0.96–3.51 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Consistent condom use: | ||||||
With steady partner(s) | ||||||
Yes | 0.79, 0.57–1.10 |  | 1.00, 0.70–1.44 |  | 1.37, 1.04–1.82 |  |
No | Reference | Â | Reference | Â | Reference | Â |
With casual partner(s) | ||||||
Yes | 1.11, 0.94–1.31 |  | 1.19, 0.96–1.48 |  | 0.85, 0.66–1.11 |  |
No | Reference | Â | Reference | Â | Reference | Â |
With paid partner (s) | ||||||
Yes | 0.79, 0.61–1.03 |  | 1.04, 0.81–1.33 |  | 0.38, 0.17–0.88 | 0.40, 0.17–0.96 |
No | Reference | Â | Reference | Â | Reference | Â |
With client partner(s) | ||||||
Yes | 1.04, 0.83–1.32 |  | 1.31, 1.04–1.65 |  | 1.34, 0.94–1.89 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Places meet partners: | ||||||
On the internet | ||||||
Yes | 1.80, 1.27–2.56 | 1.56, 1.11–2.19 | 1.68, 1.13–2.52 |  | 0.93, 0.54–1.62 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Sauna | ||||||
Yes | 1.79, 1.35–2.38 |  | 1.32, 0.90–1.95 |  | 0.78, 0.46–1.36 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Disco | ||||||
Yes | 1.95, 1.47–2.57 |  | 1.50, 1.03–2.20 |  | 1.02, 0.57–1.82 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Places for casual sex: | ||||||
Sauna | ||||||
Yes | 1.66, 1.22–2.26 |  | 1.58, 1.12–2.23 | 1.64, 1.14–2.34 | 0.80, 0.48–1.32 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Hotel | ||||||
Yes | 1.18, 0.85–1.64 |  | 1.51, 1.05–2.16 |  | 1.45, 0.87–2.39 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Own home | ||||||
Yes | 1.83, 1.34–2.50 |  | 1.77, 1.24–2.53 | 1.48, 1.05–2.10 | 0.89, 0.53–1.47 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Partner’s home | ||||||
Yes | 1.87, 1.34–2.61 |  | 1.39, 0.97–1.98 |  | 1.13, 0.69–1.83 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Anal discharge | ||||||
Yes | 5.66, 2.31–13.9 | 4.05, 1.65–9.95 | 4.57, 1.67–12.5 |  | 3.53, 0.49–25.3 |  |
No | Reference | Â | Reference | Â | Reference | Â |
Diagnosed with STI | ||||||
Yes | 1.39, 0.83–2.33 |  | 2.32, 1.47–3.64 | 1.72, 1.09–2.70 | 4.16, 2.31–7.49 | 2.73, 1.43–5.22 |
No | Reference | Â | Reference | Â | Reference | Â |
Incident syphilis | ||||||
Yes | 3.54, 1.97–6.36 | 3.16, 1.73–5.76 | 4.86, 2.69–8.78 | 3.49, 1.89–6.42 | N/A |  |
No | Reference | Â | Reference | Â | Reference | Â |
Incident HSV-2 | ||||||
Yes | 1.84, 1.18–2.88 |  | N/A |  | 3.05, 1.80–5.18 | 1.93, 1.11–3.36 |
No | Reference | Â | Reference | Â | Reference | Â |
Incident HIV | ||||||
Yes | N/A |  | 2.59, 1.69–3.95 | 2.26, 1.47–3.48 | 6.03, 3.75–9.69 | 4.41, 2.65–7.35 |
No | Reference | Â | Reference | Â | Reference | Â |
Prevalent HSV-1 | ||||||
Yes | 0.70, 0.51–0.96 | 0.73, 0.53–0.99 | 1.49, 1.06–2.08 | 1.69, 1.20–2.39 | 0.74, 0.46–1.20 |  |
No | Reference | Â | Reference | Â | Reference | Â |