Table 3.
Drug injection risk behaviors, by injection frequency category: San Francisco 2000–2005
| Characteristic | Total % (N = 2,198) | Low-FHI % (n = 354)a | High-FHI % (n = 1,844)b | Odds ratio | 95 % CI |
|---|---|---|---|---|---|
| Injection risk behaviors (past 30 days) | |||||
| Receptive syringe sharing | 20.8 | 15.1 | 21.9 | 0.63 | (0.46, 0.87) |
| Distributive syringe sharing | 21.4 | 12.0 | 23.2 | 0.45 | (0.32, 0.63) |
| Heroin overdose (past 12 months) | 13.5 | 7.0 | 14.8 | 0.44 | (0.27, 0.71) |
aLow-FHI reported injecting heroin and/or a heroin combination 1 to 10 times in the past 30 days
bHigh-FHI reported injecting heroin and/or a heroin combination 30 or more times in the past 30 days