Table 2 Unadjusted and adjusted odds ratios related to positive HCV status at registration
Simple univariate regression, N = 450a | Multiple univariate regression, N = 391b | |||
|---|---|---|---|---|
Odds ratio (95% CI) | p value | Odds ratio (95% CI) | p value | |
Gender | ||||
Female | Reference | Reference | ||
Male | 1.045 (0.684–1.598) | 0.838 | 0.774 (0.463–1.293) | 0.327 |
Age at registration | 1.012 (0.995–1.028) | 0.165 | 1.025 (1.004–1.046) | 0.018 |
Age of debut of drug use | 0.927 (0.879–0.977) | 0.005 | 0.975 (0.916–1.037) | 0.423 |
Age of debut of injection drug use | 0.956 (0.931–0.982) | < 0.001 | 0.963 (0.932–0.996) | 0.026 |
Total number of NSP visits | 1.007 (1.003–1.011) | 0.001 | 1.005 (1.001–1.009) | 0.027 |
Level of education | ||||
Upper secondary/Vocational/University | Reference | Reference | ||
Partial elementary/Elementary | 2.216 (1.510–3.251) | < 0.001 | 1.829 (1.185–2.821) | 0.006 |
Living situation the past 3 months | ||||
All other | Reference | Reference | ||
Homeless/Shelter | 1.377 (0.948–2.000) | 0.093 | 1.348 (0.879–2.067) | 0.172 |
Employment the past 3 months | ||||
All other | Reference | Reference | ||
Unemployed/Sick/Activity compensation | 1.320 (0.873–1.996) | 0.188 | 1.337 (0.832–2.149) | 0.230 |
Primary drug used the past 12 months | ||||
Other | Reference | Reference | ||
Amphetamine | 0.998 (0.607–1.643) | 0.995 | 0.642 (0.870–0.484) | 0.642 |
Heroin | 0.996 (0.555–1.785) | 0.988 | 0.973 (0.503–1.882) | 0. 935 |
Shared needle, syringe or paraphernalia past month | ||||
No | Reference | Reference | ||
Yes | 1.425 (0.977–2.078) | 0.066 | 1.233 (0.798–1.904) | 0.345 |
HBV status at registration (anti-Hbc) | ||||
Negative | Reference | Reference | ||
Positive | 0.271 (0.030–2.442) | 0.244 | 0.199 (0.021–1.887) | 0.160 |