Table 2.
Discrete-time hazard model for onset of one or more weeks cocaine abstinence.
| Model 1 | Model 2 | |||
|---|---|---|---|---|
| Predictor | Log-odds | Odds Ratio |
Log-odds | Odds Ratio |
| Week 1 | 3.30 | 27.07*** | 2.17* | 0.12 |
| Week 2 | 2.37 | 10.69** | 1.86 | 0.16 |
| Week 3 | 1.75 | 5.73 | 1.36 | 0.26 |
| Week 4 | 1.41 | 4.11 | 1.16 | 0.31 |
| Week 5 | 0.78 | 2.17 | 0.46 | 0.63 |
| Week 6 | 0.42 | 1.52 | 0.07 | 0.93 |
| Week 7 | 0.86 | 2.36 | 0.64 | 0.53 |
| Week 8 | −0.20 | 0.89 | −0.27 | 1.31 |
| Week 9 | −17.06 | 0.00 | −17.06 | 1.00 |
| Week 10 | 1.27 | 3.55 | 1.26 | 0.29 |
| Week 11 | 1.05 | 2.86 | 1.05 | 0.35 |
| Years of Cocaine Use | 0.04* | 1.04 | ||
| Past 30-Day Cocaine Use | −0.05*** | 0.95 | ||
| Baseline Cocaine Result | −1.91*** | 0.15 | ||
| Clinical Trial | ||||
| Petry et al. (2007) | 0.29 | 1.33 | ||
| Petry et al. (2002) | 0.48 | 1.62 | ||
| Treatment Condition | 0.94*** | 2.56 | ||
| −2LL | 559.52 | 472.49 | ||
Note. Reference categories: Baseline Cocaine Result, negative; Clinical Trial, Petry et al. (2005); Treatment Condition, Standard Treatment.
*
p < .05.
**
p < .01.
***
p < .001.