Table 2. Multivariate analysis of factors associated with delayed HIV testing at methadone clinics (N = 10,046).
| Characteristic | N (%) patients with delayed HIV testing | Adjusted odds ratio (95%confidence interval) | p-value |
| Overall | 1882 (18.7) | NA | |
| Sex | |||
| Male | 1750 (18.6) | – | – |
| Female | 132 (20.4) | – | – |
| Age | |||
| ≤29 years old | 526 (22.2) | – | – |
| 30–39 years old | 1081 (18.3) | – | – |
| ≥40 years old | 275 (15.6) | – | – |
| Marital status | |||
| Married | 884 (17.2) | – | – |
| Unmarried | 998 (20.3) | – | – |
| Education | |||
| None/primary school | 382 (18.6) | 1.00 | |
| Middle school | 1147 (18.2) | 1.17 (0.96–1.44) | 0.122 |
| High school and above | 353 (20.8) | 1.32 (1.02–1.72) | 0.036 |
| Employment status | |||
| Unemployed | 1200 (19.1) | – | – |
| Employed | 682 (18.2) | – | – |
| Ever injected drugs | |||
| Yes | 1474 (17.7) | – | – |
| No | 408 (24.0) | – | – |
| HIV | |||
| Infected | 64 (10.7) | – | – |
| Non-infected | 1818 (19.2) | – | – |
| HCV* | |||
| Infected | 1219 (19.4) | – | – |
| Non-infected | 560 (19.3) | – | – |
| Years of heroin use | |||
| ≤5 | 501 (26.7) | – | – |
| 5 to 10 | 561 (20.8) | – | – |
| >10 | 820 (15.0) | – | – |
| Total number of clients (for each increase in 100) ** | - | 1.41 (1.05–1.91) | 0.024 |
*
103 individuals who had delayed HIV testing did not undergo HCV testing.
**
Total number of clients is the only clinic-level variable associated with delayed HIV testing in the multivariate analysis. Other non-significant clinic-level variables are not presented in the table. The complete results of the univariate analysis of clinic-level variables are presented in Table S1.