| Variable | Hepatitis B infection | Hepatitis C infection | HIV infection | Syphilis infection |
| | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | () | () | () | (7) |
| Age | () | | () | | () | | () | | Continuous | 1.00 (0.98, 1.01) | 1.0 (0.98, 1.02) | 1.03 (1.0, 1.06) | 1.00 (0.98, 1.02) | 0.96 (0.94, 0.99 | 0.97 (0.94, 1.005) | 1.03 (1.01, 1.05 | 1.02 (1.002, 1.05 |
| Location | () | | | | () | | () | | Urban | 1.4 (1.0, 2.1) | 1.4 (0.9, 2.1) | 0.6 (0.3, 1.4) | 1.4 (0.9, 2.1) | 1.4 (0.6, 2.8) | 1.3 (0.6, 2.8) | 1.2 (0.7, 2.1) | 1.2 (0.7, 2.0) | Suburban | 1.0 (0.7, 1.5) | 1.0 (0.6, 1.4) | 0.4 (0.2, 0.9 | 1.2 (0.8, 1.9) | 1.1 (0.5, 2.3) | 1.1 (0.5, 2.3) | 1.3 (0.8, 2.2) | 1.3 (0.7, 2.2) | Rural | REF | REF | REF | REF | REF | REF | REF | REF |
| Gender | () | | () | | () | | () | | M | REF | REF | REF | REF | REF | REF | REF | REF | F | 1.0 (0.7, 1.3) | 0.9 (0.6, 1.3) | 1.1 (0.6, 2.0) | 0.8 (0.6, 1.2) | 0.6 (0.3, 1.2) | 0.5 (0.2, 1.2) | 0.8 (0.5, 1.2) | 0.8 (0.5, 1.3) |
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