Individual items of HIV RISK Assessment Tool and their respective associations with HIV infection among men who have sex with men participants
| N (%)* | HIV positive, N (%)† | Crude OR (95% CI) | P value | Adjusted OR (95% CI)‡ | P value | Adjusted OR (95% CI)§ | P value | |
| Behaviours in the prior 6 months | ||||||||
| 1. No. of same sex partners | ||||||||
| 0–1 | 569 (42.8) | 15 (2.6) | 1 | 1 | 1 | |||
| 2–5 | 675 (50.8) | 65 (9.6) | 3.94 (2.22 to 6.98) | <0.001 | 3.90 (2.15 to 7.06) | <0.001 | 2.43 (1.28 to 4.64) | 0.007 |
| 6–9 | 72 (5.4) | 3 (4.2) | 1.61 (0.45 to 5.69) | 0.463 | 1.62 (0.45 to 5.69) | 0.468 | 1.62 (0.39 to 6.72) | 0.507 |
| ≥10 | 14 (1.1) | 0 | NA | NA | NA | |||
| 2. Had had HIV-positive same sex partners | ||||||||
| No | 540 (40.6) | 13 (2.4) | 1 | 1 | 1 | |||
| Unknown | 726 (54.3) | 64 (8.8) | 3.92 (2.14 to 7.19) | <0.001 | 3.56 (1.91 to 6.62) | <0.001 | 1.24 (0.31 to 4.94) | 0.302 |
| Yes and received cART | 42 (3.2) | 3 (7.1) | 3.12 (0.85 to 11.41) | 0.086 | 3.13 (0.83 to 11.72) | 0.091 | 1.44 (0.72 to 2.87) | 0.763 |
| Yes but not received cART | 22 (1.7) | 3 (13.64) | 6.40 (1.68 to 24.35) | 0.007 | 6.60 (1.68 to 25.95) | 0.007 | 1.51 (0.33 to 6.88) | 0.597 |
| 3. Had UAI with a man | ||||||||
| No | 670 (50.4) | 11 (1.6) | 1 | 1 | 1 | |||
| Sometimes | 630 (47.4) | 68 (10.8) | 7.25 (3.80 to 13.84) | <0.001 | 6.66 (3.44 to 12.89) | <0.001 | 4.25 (2.09 to 8.64) | <0.001 |
| Always | 30 (2.3) | 4 (13.3) | 9.22 (2.75 to 30.90) | <0.001 | 8.92 (2.58 to 30.79) | <0.001 | 5.93 (1.59 to 22.13) | 0.008 |
| 4. Had commercial sex with a man | ||||||||
| No | 1270 (95.5) | 81 (6.4) | 1 | 1 | 1 | |||
| Yes | 60 (4.5) | 2 (3.3) | 0.51 (0.12 to 2.11) | 0.35 | 0.50 (0.12 to 2.13) | 0.348 | 0.32 (0.07 to 1.50) | 0.148 |
| 5. Had had an STD | ||||||||
| No | 1222 (91.9) | 77 (6.3) | 1 | 1 | 1 | |||
| Yes | 108 (8.1) | 6 (5.6) | 0.88 (0.37 to 2.06) | 0.759 | 0.82 (0.33 to 2.04) | 0.669 | 0.55 (0.21 to 1.44) | 0.222 |
| 6. Sex role | ||||||||
| Only inserted | 617 (46.4) | 18 (2.9) | 1 | 1 | 1 | |||
| Only receptive | 213 (16.0) | 32 (6.4) | 2.28 (1.26 to 4.10) | 0.006 | 2.33 (1.27 to 4.27) | 0.006 | 2.26 (1.21 to 4.24) | 0.011 |
| Both | 500 (37.6) | 33 (15.5) | 6.10 (3.36 to 11.09) | <0.001 | 6.44 (3.43 to 12.09) | <0.001 | 4.95 (2.57 to 9.53) | <0.001 |
| 7. Use of recreational drugs | ||||||||
| No | 1301 (97.8) | 81 (6.2) | 1 | 1 | 1 | |||
| Yes | 29 (2.2) | 2 (6.9) | 1.12 (0.26 to 4.77) | 0.883 | 1.12 (0.25 to 5.09) | 0.885 | 1.01 (0.20 to 5.15) | 0.988 |
| 8. Had had group sex with men | ||||||||
| No | 1202 (90.4) | 74 (6.2) | 1 | 1 | 1 | |||
| Seldom/always | 128 (9.6) | 9 (7.0) | 1.15 (0.56 to 2.36) | 0.697 | 1.26 (0.59 to 2.69) | 0.554 | 0.98 (0.42 to 2.31) | 0.962 |
*The percentage of the total cohort.
†The percentage of each category which is HIV positive.
‡Adjusted for variables in table 1 except HIV RISK composite score.
§Adjusted for variables listed in table 2.
ART, antiretroviral treatment; STDs, sexually transmitted diseases; UAI, unprotected anal intercourse.