Table 4.
Logistic Portion of Model (Abstinence vs. Non- Abstinence) | Model-based average predicted probabilities of abstinence for stimulant substance use within each 30-day window | ||||
---|---|---|---|---|---|
Assessment Time Points | Odds Ratio | 95% CI for Odds Ratio | TAU | STAGE-12 | Total |
Mid-Treatment (30-day) | 3.34** | 1.20, 9.28 | 0.57 | 0.71 | 0.64 |
End-of-Treatment (60-day) | 2.44* | 1.01, 5.86 | 0.61 | 0.72 | 0.66 |
1st Follow-up (90-day) | 1.78 | 0.81, 3.90 | 0.66 | 0.72 | 0.69 |
2nd Follow-up (120-day) | 1.30 | 0.60, 2.79 | 0.70 | 0.72 | 0.71 |
3rd Follow-up (150-day) | 0.95 | 0.42, 2.15 | 0.73 | 0.73 | 0.73 |
Last Follow-up (180-day) | 0.69 | 0.27, 1.77 | 0.77 | 0.73 | 0.75 |
Negative Binomial Portion of Model (Count of Non-zero Use) | Model-based average predicted values of number of days of stimulant substance use within each 30-day window | ||||
Assessment Time Points | Rate Ratio | 95% CI for Rate Ratio | TAU | STAGE-12 | Total |
Mid-Treatment (30-day) | 1.66* | 1.05, 2.60 | 1.08 | 1.19 | 1.13 |
End-of-Treatment (60-day) | 1.50* | 1.01, 2.24 | 1.28 | 1.34 | 1.31 |
1st Follow-up (90-day) | 1.36 | 0.93, 1.98 | 1.51 | 1.50 | 1.51 |
2nd Follow-up (120-day) | 1.23 | 0.84, 1.79 | 1.77 | 1.69 | 1.73 |
3rd Follow-up (150-day) | 1.11 | 0.74, 1.66 | 2.05 | 1. 90 | 1.98 |
Last Follow-up (180-day) | 1.00 | 0.64, 1.57 | 2.35 | 2.13 | 2.25 |
p<.05;
p<.025