1. HIV Epidemic Status and Behavioral Surveillance among MSM in China Hua Xu, Chinese Preventive Medical Association Beichuan Zhang, Qingdao University Medical College Yi Zeng, Chinese Centers for Disease Prevention and Control Xiufang Li, Qingdao University Medical College

2. MSM (men who have sex with men) is one of high- risk groups for HIV/AIDS in China. According to domestic surveys concerned gays/bisexuals account for 2-3% of sexually mature population of China. It was estimated there are about 5-10 million gay/bisexuals in China. And high-risk behaviors, such as multi-sexual partners, unprotected sexual activities are very common in MSM. According to domestic surveys concerned 1-2% of MSMs were infected with HIV. 1 Background

3. 2 Materials and Methods Snow-ball sampling method was used in this research and 6 representative cities (Chongqing, Nanjing, Xi’an, Shenyang, Dalian and Qingdao) were selected. Resource of participants from 3 ways :  Making contact with the MSMs through some pivotal local MSMs, who have been in close ties with our program;  Selecting the MSMs willing to test HIV through local homosexual volunteer network, hotlines;  Disseminating HIV test information through homosexual journal “Friend Exchange” were used to contact MSMs. Data were analyzed using SPSS 11.0 software.

9. 3 Results

10. 1416 samples were investigated, and 1384 effective questionnaires were collected and used to analysis. Responding rate is 97.74%. Participants consisted of mainly young (72.58% participants belong to the age of no great than 30), Han nationalty (96.39%), unmarried (77.39%). The mean age of participants was 27.53 years, with an age range from 15 to 72. 54.32% participants had completed college and over education. 3.1 Sample characteristics

11. 3.2 Self-recognized sexual orientation and attraction 84.28% samples self-recognized gay/bisexual orientation. Among them, 51.17% and 33.11% recognized themselves gay and bisexual orientation respectively. In addition, 9.48% samples recognized pure man-attraction. 35.36% was often attracted by male. However 7.39% of participants still had female orientation.

12. 3.3 Sexual behavior 3.3.1 General sexual behavior

13. 3.3.2 Special sexual behavior among MSM N Percent （ % ） Buying sex1272 9.12 Selling sexs124413.42 Bleeding during intercourse130520.00 bleeding of partner during intercourse128913.11 Having had intercourse with mauler1308 4.89 Having had receptive intercourse with mauler1309 4.13 Having stimulated partner with sadistic intercourse causing bleeding 1307 4.06 Having had receptive sadistic intercourse causing bleeding1304 3.22 Having had group intercourse130411.66 Having taken addictive drug1262 3.33

14. 3.4 STI/AIDS infection

16. 3.5 Demographic and sexual behavior characteristic of 13 HIV cases Among HIV cases, 11 persons belong to Han nationality. 3, 4 and 3 persons graduated from junior high school, senior high school and college, respectively. 8 cases never married. 9, 2 and 1 cases recognized themselves sexual orientation and attraction as gay, homosexual, heterosexual, respectively. 1 case could not recognize his sexual orientation. 7 cases reported truly men attraction.

17. HIV cases had more sexual partners: 5 cases had sex with more than 10 partners in the last 6 months. 12 cases reported oral sex (including insertion and receptive oral sex); In average, the mean oral sexual partners were 8.75 persons. All of them practiced unsafe oral intercourse in the last 6 moths. 10 cases had anal sex in the last 6 months; they had anal sex with 5.30 partners in average. 9 cases practiced unsafe anal sex. In addition, 6 cases reported had sex with females. 9 cases traded for sex in the last 6 months; 4 cases reported group sex.

18. 3. 6 Using condom status among MSM Table 6 Using condom status among MSM Respondents （ n ） Percent （ % ） Using condom during intercourse with men131482.65 Using condom during Insertion intercourse in last time 113663.03 Using condom during anal intercourse in last time among men having had anal intercourse 116662.18 Using condom during oral intercourse in last time among men having had oral intercourse 115812.00 Condom was broken or surged during Insertion intercourse in last 6 months 1107 9.67 Condom was broken or surged into man ’ s anus or mouth during using condom in last time 1080 6.76

19. HIV prevalence was relative low in Chinese men who have sex with men High-risk sexual behaviors still existed in MSM MSM often had sex with females Some MSMs are drug abusers. High STI prevalence was detected in the MSM population 4 Conclusion

20. Thank you! xuhua20012001@yahoo.com