Table 2.
Cox regression–factors associated with treatment initiation at 24 months post-diagnosis (n = 317).
| Characteristic | Person-Years Observation | Incidence Rate | Unadjusted Hazard Ratio (95% CI) | Adjusted Hazard Ratio (95%CI) | |
|---|---|---|---|---|---|
| Age at enrolment | Year | 1.30 (0.95–1.78) | 1.00 (0.98–1.01) | ||
| Gender | Male | 199 | 0.48 | Ref | |
| Female | 104 | 0.54 | 1.12 (0.80–1.55) | ||
| Transgender | 1 | 2.00 | 2.88 (0.71–11.73) | ||
| Aboriginal or Torres Strait Islander | No | 226 | 0.55 | Ref | Ref |
| Yes | 79 | 0.37 | 0.67 (0.45–1.00) | 0.66 (0.44–0.99) | |
| Homeless | No | 247 | 0.57 | Ref | Ref |
| Yes | 57 | 0.23 | 0.41 (0.23–0.72) | 0.40 (0.23–0.71) | |
| Currently receiving OAT | No | 94 | 0.41 | Ref | |
| Yes | 211 | 0.54 | 1.29 (0.90–1.86) | ||
| Incarceration history | Never | 64 | 0.70 | Ref | Ref |
| More than 12 months ago | 164 | 0.52 | 0.77 (0.54–1.10) | 0.83 (0.58–1.19) | |
| In last 12 months | 77 | 0.30 | 0.44 (0.27–0.73) | 0.46 (0.28–0.76) | |
| Recency of injecting | More than a month ago | 98 | 0.58 | Ref | |
| Within last month | 206 | 0.47 | 0.84 (0.61–1.17) | ||
| Hazardous alcohol consumption † | No | 183 | 0.49 | Ref | |
| Yes | 120 | 0.52 | 1.07 (0.78–1.48) | ||
| Fibrosis-Fibroscan result (kpa) | <7.0 | 171 | 0.54 | Ref | |
| >7.0 | 116 | 0.46 | 0.84 (0.60–1.17) | ||
| Unknown | 18 | 0.44 | 0.82 (0.40–1.69) | ||
† Excluding people who did not identify as men or women (n = 2). Acronyms–OAT: opioid agonist treatment, HCV: hepatitis C virus, CI: confidence interval.