Table 5.
Logistic regression predicting recidivism at 12-month follow-up for the overall sample and stratified by COD severity
| Odds ratio (95%CI) |
|||
|---|---|---|---|
| Total | Mild COD | Severe COD | |
| Severe COD (Versus mild-COD) | 1.2 (0.9-1.5) | NA | NA |
|
|
|||
| Number of prior arrests | 1.2 (1.1-1.3) *** | 1.2(1.1-1.4) *** | 1.2 (1.1-1.4) *** |
|
|
|||
| Age (per 10 years; centered) | 0.9 (0.8-1.0) † | 1.0 (0.8-1.3) | 0.8 (0.6-0.9) ** |
|
|
|||
| Female (vs. male) | 0.8 (0.6-1.2) | 0.9 (0.5-1.7) | 0.7 (0.5-1.2) |
|
|
|||
| Education (per year; centered) | 0.9 (0.8-0.9) *** | 0.8(0.7-0.9) *** | 0.9 (0.8-0.9) ** |
|
|
|||
| Primary drug | |||
|
|
|||
| Cocaine | 2.0 (1.3-3.2) ** | 1.5 (0.7-3.4) | 2.5 (1.4-4.5) ** |
|
|
|||
| Meth | 1.0 (0.7-1.4) | 1.2 (0.7-2.1) | 0.9 (0.6-1.4) |
|
|
|||
| ASI Drug Composite (per 0.1) | 1.2 (1.1-1.4) ** | 1.4 (1.1-1.8) ** | 2.5 (0.5-13.3) |
|
|
|||
| Modality(vs. Outpatient) | |||
|
|
|||
| Residential | 0.6 (0.4-0.8) *** | 0.5 (0.3-0.9) * | 0.6 (0.4-0.9) *** |
|
|
|||
| Methadone Maintenance | 4.4 (1.9-10.2) *** | NA1 | 3.8 (1.6-9.3) *** |
|
|
|||
| Retention (per week) | 0.97 (0.96-0.98) *** | 0.95 (0.92-0.97) *** | 0.98 (0.96-0.99) *** |
|
|
|||
| Money spent on alcohol in past 30 days (per $10) |
1.1 (1.0-1.2) ** | 1.1 (0.9-1.2) | 1.1 (1.0-1.2) * |
|
|
|||
| Meth*Female | 0.57 (0.3-1.0) * | 0.4 (0.2-0.9) * | 0.7 (0.4-1.4) |
All models controlled for: Race and all ASI composites (other than Drug which is included as a predictor)
*
p <0.05
**
p <0.01.
***
p <0.001
1
NA – Variable was not used in specific analysis due to small sample size of mild-COD treated in MMT (n=8)