HCV+ | % HCV+ | % total | Sig | Odds ratio | 95% CI odds ratio | |
Lower | Upper | |||||
Injection |  |  | < 0.0001 | 22.250 | 5.294 | 93.518 |
 Yes | 33.3 | 66.3 |  |  |  |  |
 No | 3.3 | 33.7 |  |  |  |  |
NSS |  |  | < 0.0001 | 15.579 | 7.205 | 33.688 |
 Yes | 48.1 | 40.3 |  |  |  |  |
 No | 5.6 | 59.7 |  |  |  |  |
Craving |  |  | < 0.0001 | 9.26 | 4.83 | 4.83–17.74 |
 Yes | 49.4 | 33.2 |  |  |  |  |
 No | 9.5 | 66.6 |  |  |  |  |
Police |  |  | < 0.0001 | 3.519 | 1.858 | 6.663 |
 Yes | 36.5 | 44.6 |  |  |  |  |
 No | 14.1 | 55.2 |  |  |  |  |
SDU or GP |  |  | < 0.0001 | 0.191 | 0.100 | 0.366 |
 Yes | 29.9 | 69.8 |  |  |  |  |
 No | 6.2 | 30.2 |  |  |  |  |
OST |  |  | < 0.0001 | 4.959 | 2.444 | 10.060 |
 Yes | 29.8 | 67.8 |  |  |  |  |
 No | 8.1 | 32.2 |  |  |  |  |
SDU |  |  | < 0.0001 | 3.420 | 1.814 | 6.450 |
 Yes | 42.1 | 21.3 |  |  |  |  |
 No | 17.5 | 78.7 |  |  |  |  |
Prison | Â | Â | 0.009 | 2.279 | 1.212 | 4.274 |
 Yes | 29.9 | 57.4 |  |  |  |  |
 No | 15.7 | 42.6 |  |  |  |  |
Logistic regression | B | Wald | Sig | Odds ratio | 95% CI odds ratio | |
Lower | Upper | |||||
 NSS | 0.108 | 17.440 | < 0.0001 | 1.115 | 1.080 | 1.174 |
 Drug use | − 2.623 | 33.403 | < 0.0001 | 0.73 | 0.30 | 0.177 |
 Police | − 1.190 | 8.310 | 0.004 | 0.323 | 0.150 | 0.697 |
 Constant | − 1.939 | 8.310 | 0.002 |  |  |  |