Table 2.
Comparison of risky behaviors among MSM in Beijing by poppers using status in the past three months.
| Variable | Total (n, %) | Popper users (n, %) | Non-users (n, %) | P value | OR (0.95% CI) |
|---|---|---|---|---|---|
| Total | 3588 (100.0) | 961 (26.8) | 2627 (73.2) | ||
| Drinking alcohol before sex | |||||
| No | 2850 (79.4) | 725 (75.4) | 2125 (80.9) | ||
| Yes | 738 (21.6) | 236 (24.6) | 502 (19.1) | <0.001 | 1.38 (1.16–1.64) |
| Number of male sex partners | |||||
| ≤1 | 1879 (52.4) | 372 (38.7) | 1507 (57.4) | ||
| ≥2 | 1709 (47.6) | 589 (61.3) | 1120 (42.6) | <0.001 | 2.13 (1.83–2.48) |
| Any unprotected anal intercourse | |||||
| No | 2181 (60.8) | 530 (55.2) | 1651 (62.9) | ||
| Yes | 1407 (39.2) | 431 (44.9) | 976 (37.2) | <0.001 | 1.38 (1.18–1.60) |
| Unprotected receptive anal intercourse | |||||
| No | 2743 (76.4) | 663 (69.0) | 2080 (79.2) | ||
| Yes | 845 (23.6) | 298 (31.0) | 547 (20.8) | <0.001 | 1.71 (1.45–2.02) |
| Unprotected insertive anal intercourse | |||||
| No | 2706 (75.4) | 722 (75.1) | 1984 (75.5) | ||
| Yes | 882 (24.6) | 239 (24.9) | 643 (24.5) | 0.809 | 1.02 (0.86–1.21) |
| Male commercial sex | |||||
| No | 3488 (97.2) | 930 (96.8) | 2558 (97.4) | ||
| Yes | 100 (2.8) | 31 (3.2) | 69 (2.5) | 0.334 | 1.24 (0.80–1.90) |
| Oral sex with any HIV positive male sex partner | |||||
| No | 3500 (97.5) | 940 (97.8) | 2560 (97.5) | ||
| Yes | 88 (2.5) | 21 (2.2) | 67 (2.6) | 0.531 | 0.85 (0.52–1.40) |
| Receptive anal sex with any HIV positive male sex partner | |||||
| No | 3539 (98.6) | 947 (98.5) | 2592 (98.7) | ||
| Yes | 49 (1.4) | 14 (1.5) | 35 (1.3) | 0.776 | 1.10 (0.59–2.04) |
| Insertive anal sex with any HIV positive male sex partner | |||||
| No | 3521 (98.1) | 944 (98.2) | 2577 (98.1) | ||
| Yes | 67 (1.9) | 17 (1.8) | 50 (1.9) | 0.792 | 0.93 (0.53–1.62) |
| Sex with female sex partners | |||||
| No | 3213 (89.5) | 899 (93.6) | 2314 (88.1) | ||
| Yes | 375 (10.5) | 62 (6.5) | 313 (11.9) | <.0001 | 0.51 (0.38–0.68) |