Table 2. Logistic Regression Predicting Adherence Based on Site and TIP Intervention.
| Adherence at Follow-up, wk | AIC | TIP | Treatment as Usual | ||||
|---|---|---|---|---|---|---|---|
| OR (95%CI) | χ2 | P Value | OR (95%CI) | χ2 | P Value | ||
| 6 | 204.76 | 5.54 (2.57-11.96) | 19.05 | <.001 | 3.48 (1.70-7.13) | 11.60 | .001 |
| 12 | 231.28 | 2.84 (1.47-5.50) | 9.60 | .002 | 2.82 (1.47-5.41) | 9.78 | .002 |
| 24 | 228.06 | 1.49 (0.78-2.85) | 1.48 | .22 | 2.71 (1.41-5.24) | 8.85 | .003 |
| 6 and 12 | 244.18 | 3.27 (1.73-6.17) | 13.34 | <.001 | 3.30 (1.76-6.19) | 13.80 | <.001 |
| 6, 12, and 24 | 248.38 | 2.79 (1.50-5.19) | 10.50 | .001 | 3.90 (2.10-7.25) | 18.58 | <.001 |
Abbreviations: AIC, Akaike information criterion; OR, odds ratio; TIP, Treatment Initiation and Participation Program.