Table II.
Multivariable regression to identify the association between alcohol usage and sexual risk behavior
| Multiple logistic regression analysis | Linear regression analysis | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Sex without condom with recent partner (n=2740) | Sex without condom with someone HIV positive (n=4804) | Sex for Money (n=4872) | Number of sex partners in lifetime (n=4494) | Number of sex partners in the last 24 months (n=4882) | ||||||
| OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | Β (95% CI) | p-value | Β (95% CI) | p-value | |
| Alcohol usage | 1.38 (1.21–1.55) | <0.001** | 0.07 (0.06–0.09) | <0.001** | ||||||
| Does not currently drink | REF | REF | REF | - | - | - | - | |||
| Less than once a month. | 1.13 (0.68–1.87) | 0.64 | 1.15 (0.35–3.79) | 0.82 | 0.00 (0.00) | 1.00 | - | - | - | - |
| 1–3 days per month | 1.82 (1.13–2.94) | 0.01* | 2.52 (1.17–5.42) | 0.02* | 12.05 (2.93–49.62) | <0.001** | - | - | - | - |
| 1–4 days per week | 1.25 (0.82–1.91) | 0.30 | 3.21 (1.61–6.44) | <0.001** | 9.61 (1.97–46.97) | 0.04* | - | - | - | - |
| 5–6 days per week | 1.48 (0.75–2.92) | 0.25 | 1.16 (0.27–5.04) | 0.84 | 12.83 (2.08–79.10) | 0.01* | - | - | - | - |
| Daily drinking | 2.67 (1.27–5.58) | 0.01* | 1.72 (0.58–5.11) | 0.22 | 42.58 (10.48–173.02) | <0.001** | - | - | - | - |
| Sex | −6.06 (−6.52– −5.67) | <0.001** | −0.50 (−0.54– −0.47) | <0.001** | ||||||
| Male | REF | REF | REF | - | - | - | - | |||
| Female | 1.40 (1.08–1.80) | 0.01* | 0.80 (0.46–1.39) | 0.43 | 3.45 (1.15–10.30) | 0.03* | - | - | - | - |
| Age | −0.11 (−0.18–0.20) | 0.24 | −0.13 (−0.14– −0.11) | <0.001** | ||||||
| 40–49 | REF | REF | REF | - | - | - | - | |||
| 50–59 | 1.41 (1.07–1.86) | 0.01* | 1.14 (0.64–2.05) | 0.64 | 0.52 (0.15–1.77) | 0.29 | - | - | - | - |
| 60–69 | 1.98 (1.39– 2.83) | <0.001** | 0.52 (0.25–1.09) | 0.08 | 0.48 (0.12–1.87) | 0.29 | - | - | - | - |
| 70–79 | 3.37 (2.03–5.60) | <0.001** | 0.25 (0.10–0.73) | 0.01* | 1.33 (0.34–5.23) | 0.68 | - | - | - | - |
| ≥80 | 4.37 (1.91–9.99) | <0.001** | 0.18 (0.04–0.83) | 0.03* | 0.00 (0.00) | 0.99 | - | - | - | - |
| Education | 0.58 (0.35–0.82) | <0.001** | 0.12 (0.10–0.14) | <0.001** | ||||||
| No formal education | REF | REF | REF | - | - | - | - | |||
| Some primary | 1.00 (0.75–1.33) | 0.98 | 1.46 (0.83–2.56) | 0.19 | 1.30 (0.47–3.60) | 0.62 | - | - | - | - |
| Some secondary | 0.79 (0.56–1.14) | 0.21 | 1.42 (0.66–3.10) | 0.37 | 0.92 (0.18–4.79) | 0.92 | - | - | - | - |
| Secondary or more | 0.94 (0.62–1.43) | 0.76 | 1.31 (0.51–3.40) | 0.57 | 0.91 (0.09–0.17) | 0.94 | - | - | - | - |
| Marital status | 0.17 (−0.09–0.43) | 0.21 | 0.30 (0.28–0.32) | <0.001** | ||||||
| Never married | REF | REF | REF | - | - | - | - | |||
| Separated/ divorced | 0.73 (0.45–1.20) | 0.21 | 2.19 (0.72–6.69) | 0.17 | 0.50 (0.14–1.79) | 0.29 | - | - | - | - |
| Widowed | 0.81 (0.47–1.39) | 0.44 | 1.94 (0.61–6.15) | 0.26 | 0.08 (0.01–0.48) | 0.01* | - | - | - | - |
| Currently Married | 3.44 (2.22–5.32) | <0.001** | 1.43 (0.49–4.15) | 0.51 | 0.25 (0.07–0.85) | 0.03* | - | - | - | - |
| Wealth index status | 0.05 (−0.11–0.22) | 0.51 | 0.04 (0.02–0.05) | <0.001** | ||||||
| Quantile 1 | REF | REF | REF | - | - | - | - | |||
| Quantile 2 | 0.65 (0.45–0.93) | 0.02* | 0.89 (0.46–1.71) | 0.71 | 0.63 (0.21–1.92) | 0.42 | - | - | - | - |
| Quantile 3 | 0.73 (0.49–1.07) | 0.10 | 0.78 (0.39–1.55) | 0.47 | 0.32 (0.07–1.52) | 0.15 | - | - | - | - |
| Quantile 4 | 0.86 (0.58–1.26) | 0.42 | 0.56 (0.26–1.21) | 0.14 | 0.40 (0.08–1.95) | 0.26 | - | - | - | - |
| Quantile 5 | 0.88 (0.59–1.33) | 0.55 | 0.66 (0.30–1.46) | 0.31 | 0.23 (0.03–2.00) | 0.18 | - | - | - | - |
*
p < .05.
**
p < .01.