Table 3 Joint Effect of HIV Knowledge and HIV Risk Perception Among Male Tajik MWID
HIV Knowledge | HIV Risk Perception | N | % Reporting Outcome | Prevalence Ratio aPR (95% CI)a | Relative Excess Risk due to Interaction (95% CI) |
|---|---|---|---|---|---|
Model 1: Multiple Sex Partners, N = 410 | |||||
Moderate/High | Moderate/High | 26 | 16.4 | ref | – |
Low | Moderate/High | 14 | 22.6 | 0.94 (0.34, 1.45) | – |
Moderate/High | Low | 52 | 44.1 | 1.82 (1.21, 2.76)* | – |
Low | Low | 30 | 42.3 | 1.65 (1.01, 2.74)* | -0.11 (-0.70, 0.60) |
Model 2: Sex with FSW, N = 410 | |||||
Moderate/High | Moderate/High | 52 | 32.7 | ref | – |
Low | Moderate/High | 23 | 37.1 | 0.89 (0.55, 1.28) | – |
Moderate/High | Low | 59 | 50.0 | 1.19 (0.87, 1.49) | – |
Low | Low | 38 | 53.5 | 1.21 (0.89, 1.70) | 0.13 (-0.27, 0.64) |
Model 3: Condomless Sex, N = 250 | |||||
Moderate/High | Moderate/High | 61 | 70.9 | ref | – |
Low | Moderate/High | 31 | 75.6 | 1.06 (0.88, 1.26) | – |
Moderate/High | Low | 53 | 68.8 | 1.01 (0.90, 1.30) | – |
Low | Low | 30 | 65.2 | 0.96 (0.72, 1.24) | -0.10 (-0.58, 0.15) |
Model 4: Condomless Sex with FSW, N = 172 | |||||
Moderate/High | Moderate/High | 14 | 26.9 | ref | – |
Low | Moderate/High | 7 | 30.4 | 1.14 (0.40, 2.29) | – |
Moderate/High | Low | 24 | 40.7 | 1.68 (0.80, 3.61) | – |
Low | Low | 15 | 39.5 | 1.63 (0.79, 2.93) | -0.19 (-2.22, 1.05) |