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Independent risk factors for low-frequency heroin injection among heroin injectors: San Francisco 2000–2005
| Characteristic | Adjusted odds ratio | 95 % CI |
|---|---|---|
| Race | ||
| White | Reference | Reference |
| African American | 2.0 | (1.5, 2.6) |
| Hispanic | 0.78 | (0.43, 1.40) |
| Other | 1.4 | (0.9, 2.1) |
| Currently homeless | 0.63 | (0.49, 0.82) |
| Men who had sex with men (past 6 months) | 3.0 | (2.0, 4.3) |
| HIV antibody positive | 1.5 | (1.1, 2.2) |
| Methamphetamine use (past 30 days) | ||
| Injected | 2.0 | (1.5, 2.7) |
| Noninjected | 1.8 | (1.2, 2.5) |
