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Interaction between study site and intervention group
| Predictor | Adjusted Relative Risk |
95% CI | p-value |
|---|---|---|---|
| Study Site (Tijuana vs. Ciudad Juarez) | 1.02 | 0.41, 2.53 | 0.01 |
| Intervention Group (Short Term vs. Future) | 0.56 | 0.21, 1.53 | 0.26 |
| Injected or used heavy drugs (past month) | 2.47 | 1.23, 4.97 | 0.01 |
| Interaction between Study Site & Intervention | 3.51 | 0.99, 12.53 | 0.05 |
