Table 2. Bivariate and multivariable logistic regression models of predictors of weekly alcohol use (n = 210).
| Odds ratio (unadjusted bivariate models) |
P value |
Odds ratio (adjusted multivariable model) |
P value |
|
|---|---|---|---|---|
|
Unprotected anal (insertive or receptive) sex in the 3 months prior to
enrolment | ||||
| Yes | 2.00 | 0.05 | 1.83 | 0.11 |
| No | 1.00 | - | 1 | - |
| 12 or more male sexual partners in the 3 months prior to enrolment | ||||
| Yes | 2 | 0.05 | ||
| No | 1 | - | - | - |
| Unprotected vaginal sex in the 3 months prior to enrolment | ||||
| Yes | 2.91 | 0.009 | 2.82 | 0.01 |
| No | 1 | - | 1 | - |
| Number of female sexual partners in the 3 months prior to enrolment (continuous) |
1.23 | 0.006 | - | - |
| Age (continuous) | 1.04 | 0.05 | 1.02 | 0.43 |
| MSM subpopulation identity | ||||
| Panthis | 1.57 | 0.05 | ||
| Double decker | 0.74 | 0.13 | ||
| Kothi | 1.00 | - | - | - |
| Weekly smoking/tobacco use | ||||
| Yes | 6.01 | 0.0001 | - | - |
| No | 1 | - | ||
| Married | ||||
| Yes | 3.11 | 0.001 | 2.98 | 0.005 |
| No | 1.00 | - | 1.00 | - |
The final multivariable model was constructed in alignment with convergence criteria in SAS
Due to significant multicollinearity of sexual risk variables, only unprotected anal (male partners) and unprotected vaginal (female partners) sex in the three months prior to enrolment were retained in the final multivariable model