Table 2.
Multivariate binomial logistic regression models predicting days of substance use: drinking to intoxication, marijuana, crack, cocaine, methamphetamine/other amphetamines (weighted) + N = 438
| Substance use past 6 months # | |||||
|---|---|---|---|---|---|
| Binge drinking | Marijuana | Crack | Cocaine | Meth/Amphet. | |
| Predictor Variables | |||||
| Individual characteristics | |||||
| Age | 1.03 (1.001, 1.06)* | 0.96 (0.92, 1.005) | 1.04 (1.01, 1.08)* | 1.05 (1.004, 1.10)* | 0.94 (0.89, 0.98)** |
| African American (vs. other) | 0.65 (0.30, 1.41) | 1.96 (1.05, 3.67)* | 3.12 (1.37, 7.09)** | 2.16 (0.77, 6.06) | 0.18 (0.06, 0.53)** |
| Hispanic (vs. other) | 0.75 (0.35, 1.61) | 0.48 (0.18, 1.23) | 0.69 (0.20, 2.47) | 0.49 (0.10, 2.48) | 0.90 (0.47, 1.72) |
| At least high school (GED) | 0.90 (0.47, 1.70) | 1.39 (0.75, 2.58) | 1.16 (0.57, 2.36) | 1.52 (0.60, 3.90) | 0.74 (0.39, 1.40) |
| Married | 0.85 (0.30, 2.42) | 2.63 (1.17, 5.89)* | 0.32 (0.10, 1.01) | 0.62 (0.16, 2.31) | 1.86 (0.73, 4.79) |
| Depression past 12 months | 2.11 (1.02, 4.35)* | 1.36 (0.65, 2.84) | 1.61 (0.82, 3.13) | 1.48(0.66, 3.33) | 1.16 (0.60, 2.23) |
| Any time in jail or prison during lifetime | 1.56 (0.70, 3.49) | 2.37 (1.02, 5.48)* | 1.81 (0.75, 4.40) | 2.79 (0.91, 8.60) | 2.16 (0.95, 4.91) |
| Personal network characteristics | |||||
| How (non-relative) alter was met (percent): | |||||
| At employment or school | 1.00 (0.98, 1.01) | 0.98 (0.96, 0.998)* | 0.95 (0.91, 0.996)* | 0.95 (0.92, 0.98)** | 0.99 (0.96, 1.01) |
| On the street | 1.00 (0.97, 1.02) | 1.00 (0.98, 1.02) | 1.03 (0.998, 1.05) | 0.99 (0.97, 1.02) | 0.98 (0.95, 1.01) |
| In the criminal justice system | 0.63 (0.52, 0.75)** | 1.10 (0.99, 1.22) | 0.97 (0.89, 1.06) | 1.03 (0.90, 1.18) | 0.86 (0.70, 1.05) |
| Behavior of all alters past 6 months: | |||||
| Drank alcohol to Intoxication | 1.02 (1.004, 1.03)* | 1.00 (0.99, 1.02) | 0.98 (0.97, 0.997)* | 0.98 (0.97, 1.00) | 0.99 (0.97, 1.01) |
| Used drugs | 1.01 (0.996, 1.02) | 1.02 (1.01, 1.04)** | 1.04 (1.02, 1.05)** | 1.04 (1.02, 1.06)** | 1.05 (1.03, 1.06)** |
| Quality of relationship with alters past 6 months: | |||||
| Received any tangible or informational support from alter | 1.00 (0.99, 1.02) | 0.98 (0.96, 0.996)* | 1.01 (0.99, 1.02) | 0.99 (0.98, 1.01) | 1.00 (0.98, 1.01) |
| Emotional closeness to alter | 1.00 (0.98, 1.02) | 1.02 (0.995, 1.04) | 1.01 (0.9995, 1.03) | 1.03 (1.01, 1.05)** | 1.00 (0.98, 1.02) |
| Behavior of sex partner alters past 6 months: + | |||||
| Number of sex partner alters who perpetrated violence against respondent at any time | 1.46 (0.98, 2.18) | 1.55 (1.05, 2.29)* | 1.36 (0.84, 2.21) | 1.27 (0.66, 2.46) | 1.23 (0.83, 1.83) |
*
p < .05;
**
p < .01
#
Models predicting the odds of substance use on any given day during the past 6 months; odds ratios and 95% confidence intervals depicted.
+
Table depicts results from final, trimmed models. Personal network characteristics not associated with any outcome at p < .10 in bivariate or initial multivariate models are excluded from final, trimmed models.