Table 2 Logistic regression for behavioural characteristics associated with undiagnosed infection by sex
From: Epidemiological and viral characteristics of undiagnosed HIV infections in Botswana
Variable | Category | Women (n = 383 newly diagnosed, n = 2252 known cases) | Men (n = 218 newly diagnosed, n = 743 known cases) | ||
|---|---|---|---|---|---|
OR (95% CI)a | aOR (95% CI)b | OR (95% CI) | aOR (95% CI) | ||
Number of HIV tests | 1–2 | Ref | Ref | ||
3–4 | 3.74*** (3.28–4.27) | 4.81*** (3.72–6.23) | 0.76 (0.58–1.0) | 0.74 (0.49–1.1) | |
4–9 | 6.41*** (5.43–7.61) | 10.9*** (7.82– 15.2) | 0.73 (0.51–1.07) | 0.49* (0.28–0.85) | |
10 + | 9.8*** (6.77–14.74) | 18.8*** (8.41–42.1) | 1.1 (0.48–3.03) | 1.0 (0.36–3.0) | |
Number partners in 1 year | 1 partner | Ref | Ref | ||
2 partners | 1.15 (1.0–1.32) | 0.88 (0.15–5.1) | 1.32*** (1.0–1.68) | 0.67 (0.02– 20.0) | |
3 partners | 2.54*** (1.43–4.93) | 4.6 (0.25– 84.6) | 1.17 (0.5–2.68) | 0.19 (0.004–9.8) | |
4 partners | 1.34 (0.66–3.0) | 0.52 (0.09–3.0) | 1.87 (0.73–4.61) | 1.0 (0.03–35.1) | |
None | 0.71*** (0.62–0.82) | – | 1.36 (1.0–1.86) | – | |
Concurrency in past year | No concurrent partners | Ref | Ref | ||
Concurrent partners | 1.17* (1.0–1.34) | 1.2 (0.21–6.9) | 1.42*** (1.12–1.79) | 1.68 (0.06–46.8) | |
Partner’s HIV status | HIV negative | Ref | Ref | ||
HIV positive | 0.06*** (0.05–0.07) | 0.09*** (0.07–0.12) | 0.8 (0.6–1.07) | 0.8 (0.6–1.06) | |
Condom use in past year | No | Ref | Ref | ||
Yes | 2.37*** (2.11–2.66) | – | 0.8 (0.65–1.0) | – | |
Condom frequency | Always | Ref | Ref | ||
Sometimes | 1.98*** (1.75–2.25) | 1.64*** (1.32–2.03) | 0.83 (0.66–1.05) | 1.56* (1.07–2.25) | |
Never | 3.07*** (2.53–3.75) | 2.9*** (2.15–3.89) | 0.77 (0.53–1.14) | 2.17** (1.25–3.76) | |
Nights away from home | Zero | Ref | Ref | ||
< 1 week–< 1 month | 1.24*** (1.09–1.42) | 0.88 (0.67–1.15) | 0.81 (0.64–1.03) | 1.0 (0.65–1.68) | |
> 1 month | 1.54*** (1.38–1.73) | 0.96 (0.77–1.20) | 0.85 (0.69–1.06) | 0.95 (0.56–1.59) | |