Table 5.
Generalized estimating equation analyses for primary and secondary outcomes (categorical variables).
| Outcomes | Group | OR | 95%CI |
Group effect |
Time × group interaction |
|||
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | Wald Chi-square | P-value | Wald Chi-square | P-value | |||
| Urine analysis | EBC | 0.423 | 0.100 | 1.791 | 1.365 | 0.243 | 18.179 | 0.253 |
| TAU | – | |||||||
| Injection frequency | EBC | 0.725 | 0.318 | 1.652 | 0.585 | 0.444 | 12.339 | 0.015* |
| TAU | – | |||||||
| Needles Sharing or not | EBC | 0.444 | 0.100 | 1.976 | 1.136 | 0.287 | 7.431 | 0.115 |
| TAU | – | |||||||
TAU, treatment as usual; EAU, educational and behavioral counseling.
*P < 0.05.