Table 2.
Comparison of high-risk behaviors between Chinese men who have sex with men seeking male sexual partners via Internet and non-Internet venues (N=3,588)
| High-risk behaviors | Total N=3,588 n (%) | Partner-seeking route | χ2 or z-statistics† | p-value | |
|---|---|---|---|---|---|
| Internet N=2,838 n (%) | non-Internet N=750 n (%) | ||||
| Age of sex debut, year | −1.728 | 0.084 | |||
| Median, IQR | 20, (18–23) | 20, (18–23) | 20, (18–23) | ||
| Year of sexual activity | −11.342 | <0.001 | |||
| Median, IQR | 7, (4–12) | 7, (4–11) | 10, (5–19) | ||
| Lifetime number of male sexual partners | 0.212 | 0.645 | |||
| <10 | 1,815 (50.6) | 1,430 (50.4) | 385 (51.3) | ||
| ≥10 | 1,773 (49.4) | 1,408 (49.6) | 365 (48.7) | ||
| Lifetime number of female sexual partners | 190.534 | <0.001 | |||
| 0 | 2,169 (60.5) | 1,880 (66.2) | 289 (38.5) | ||
| ≥1 | 1,419 (39.5) | 958 (33.8) | 461 (61.5) | ||
| Alcohol consumption in the past 3 month | 42.714 | <0.001 | |||
| Never | 1,574 (43.9) | 1,259 (44.4) | 315 (42) | ||
| Once a month | 1,108 (30.9) | 922 (32.5) | 186 (24.8) | ||
| 2–4 times a month | 594 (16.5) | 446 (15.7) | 148 (19.7) | ||
| ≥ twice a week | 312 (8.7) | 211 (7.4) | 101 (13.5) | ||
| Alcohol use before sex in the past 3 month | 13.176 | <0.001 | |||
| No | 2,850 (79.4) | 2,290 (80.7) | 560 (74.7) | ||
| Yes | 738 (20.6) | 548 (19.3) | 190 (25.3) | ||
| Drug use in the past 3 month | 40.831 | <0.001 | |||
| No | 2,600 (72.5) | 1,987 (70.0) | 613 (81.7) | ||
| Yes | 988 (27.5) | 851 (30.0) | 137 (18.3) | ||
| Had insertive anal sex with men in the past 3 month | 0.139 | 0.710 | |||
| No | 1,414 (39.4) | 1,114 (39.3) | 300 (40.0) | ||
| Yes | 2,174 (60.6) | 1,724 (60.7) | 450 (60.0) | ||
| Had condomless insertive anal sex with men in the past 3 month | 1.301 | 0.254 | |||
| No | 2,801 (78.1) | 2,227 (78.5) | 574 (76.5) | ||
| Yes | 787 (21.9) | 611 (21.5) | 176 (23.5) | ||
| Had receptive anal sex with men in the past 3 month | 9.721 | 0.002 | |||
| No | 1,713 (47.7) | 1,317 (46.4) | 396 (52.8) | ||
| Yes | 1,875 (52.3) | 1,521 (53.6) | 354 (47.2) | ||
| Had condomless receptive anal sex with men in the past 3 month | 4.239 | 0.039 | |||
| No | 2,855 (79.6) | 2,238 (78.9) | 617 (82.3) | ||
| Yes | 733 (20.4) | 600 (21.1) | 133 (17.7) | ||
| Had sex with women in the past 3 month | 90.868 | <0.001 | |||
| No | 3,211 (89.5) | 2,611 (92.0) | 600 (80.0) | ||
| Yes | 377 (10.5) | 227 (8.0) | 150 (20.0) | ||
| Had condomless vaginal sex with women in the past 3 month | 61.548 | <0.001 | |||
| No | 3,351 (93.4) | 2,698 (95.1) | 653 (87.1) | ||
| Yes | 237 (6.6) | 140 (4.9) | 97 (12.9) | ||
| Had anal sex with HIV-positive men in the past 3 month | 0.004 | 0.952 | |||
| No | 3,946 (97.4) | 2,765 (97.4) | 731 (97.4) | ||
| Yes | 92 (2.6) | 73 (2.6) | 19 (2.5) | ||
| Had oral sex with HIV-positive men in the past 3 month | 0.812 | 0.368 | |||
| No | 3,500 (97.5) | 2,765 (97.4) | 735 (98.0) | ||
| Yes | 88 (2.5) | 73 (2.6) | 15 (2.9) | ||
| Had anal sex with male commercial sex worker in the past 3 month | 2.313 | 0.128 | |||
| No | 3,488 (97.2) | 2,765 (97.4) | 723 (96.4) | ||
| Yes | 100 (2.3) | 73 (2.6) | 27 (3.6) | ||
| Perception of HIV risk prior to HIV diagnosis | 4.941 | 0.026 | |||
| Low or very low | 2,126 (59.3) | 1,655 (58.3) | 471 (62.8) | ||
| High or very high | 1,462 (40.7) | 1,183 (41.7) | 279 (37.2) | ||
| Ever tested for HIV | 1.666 | 0.197 | |||
| No | 1,054 (29.4) | 848 (29.9) | 206 (27.5) | ||
| Yes | 2,534 (70.6) | 1,990 (70.1) | 544 (72.5) | ||
| Newly diagnosed as HIV-positive | 6.156 | 0.013 | |||
| No | 3,133 (87.3) | 2,458 (86.6) | 675 (90.0) | ||
| Yes | 455 (12.7) | 380 (13.4) | 75 (10.0) | ||
| Newly diagnosed as syphilis seropositive | 6.046 | 0.014 | |||
| No | 3,319 (92.5) | 2,641 (93.1) | 678 (90.4) | ||
| Yes | 269 (7.5) | 197 (6.9) | 72 (9.6) | ||
Note: IQR, interquartile range; Drug use, intake of any of these drugs: methamphetamine, MDMA, rush, magu, ketamine, cannabis/marijuana, cocaine, opium, heroin, morphine in past 3 months prior to the survey
†
χ2 statistics from Pearson Chi square test for categorical variables; z-statistics from Wilcoxon rank-sum tests for continuous variables