Table 3.
Predictors of Any Alcohol Consumption, the Number of Alcohol Drinks, and Having Any Binge Drinking Days in the Past Week
| Variables | 95% Confidence Interval | p | |
|---|---|---|---|
| Logistic Regression for Any Alcohol Consumption in the Past Week1 | |||
| Adjusted Odds Ratio | |||
| Male gender | 1.45 | 1.02–2.07 | .04 |
| Used any illicit drug in the past month | 2.11 | 1.26–3.55 | .005 |
| Network size | .96 | .93–.99 | .01 |
| Used any injected drug in the past month | 2.54 | 1.42–4.54 | .002 |
| Poisson Regression for the Number of Alcohol Drinks in the Past Week2 | |||
| Incidence Rate Ratio | |||
| Male gender | 2.38 | 1.63–3.48 | <.0001 |
| Used any illicit drug in the past month | 2.66 | 1.79–3.95 | <.0001 |
| Network size | .97 | .96–.98 | <.0001 |
| Social Provisions Scale (SPS) | .97 | .95–.99 | .007 |
| Married | .48 | .30–.76 | .002 |
| Logistic Regression for Having Any Binge Drinking Days in the Past Week1 | |||
| Adjusted Odds Ratio | |||
| Male gender | 1.85 | 1.11–3.07 | .02 |
| Used any illicit drug in the past month | 3.01 | 1.76–5.17 | .0001 |
| Network size | .96 | .94–.98 | .0001 |
| Condomless intercourse with a non-main partner in the past 3 months | 2.49 | 1.25–4.98 | .01 |
All p-values were calculated using logistic regression fitted by GEE to account for clustering within social networks. Stepwise backward variable selection was used to find the final parsimonious model
All p-values were calculated using multiple Poisson regression fitted by GEE to account for clustering within social networks. Stepwise backward variable selection was used to find the final parsimonious model