Characteristics of sexual behavior and current status of HIV infection among MSM looking for sexual partner in different places in Mianyang City
WANG Yi*, LI Liu-lin, FAN Jing, ZHAO Xi-he, WANG Xiao-li, DU Chan-juan, LIU Jiang,YANG Gan-jin, LI Wei, JIA Xiu-wei, WANG Hong-ming, REN Yan-fei, LIAO Ping
*Mianyang Municipal Center for Disease Control and Prevention, Mianyang, Sichuan 621000, China
Abstract:Objective To investigate the places for MSM to look for sexual partners, and to explore the characteristics of their sexual behavior and status quo of HIV infection. Methods With informed consent, a snowball sampling method was used to recruit MSM in Mianyang City, Sichuan Province from February to November in 2016. Their related behavior was surveyed, and the HIV and syphilis antibodies were tested. Results A total of 1,132 MSM were investigated. The MSM looking for sexual partners in 1, 2, and ≥3 kinds of places accounted for 74.8%, 20.0% and 5.2% respectively. MSM of network type (68.1%), network + family type (12.5%), and park + network + family type (2.1%) accounted for the most respectively in MSM with 1, 2, and ≥3 kinds of places looking for sexual partners. The awareness rates of HIV/AIDS-related knowledge in MSM of bar type, family type and park + family type were 90.5%, 94.1% and 66.7% respectively. The proportion of MSM accepting peer education was lower in bar type (66.7% vs. 85.6%) and family type (73.5% vs. 85.8%) than in other types (both P<0.05). 18.2% MSM of bar type and 33.3% of park type had commercial sexual behavior. 63.6% MSM of bar type and 78.6% of bar + network type had unprotected anal sex in the last six months. 82.8% MSM of park + network type, 80.2% of network + family type and 87.5% of park + network + family type had multiple sex partners. 57.9% MSM of bar + family type and 42.4% of network + family type had high-frequency anal sex. The HIV infection rate was both higher in MSM of bar + bathroom type (66.7% vs. 6.2%) and bathroom + family type (100.0% vs. 6.2%) than in other types (both P<0.05). Conclusions MSM searches for sexual partners mainly in single-type venue, but also in multi-type places. MSM with multi-type hunting places are more easily to have multiple sexual partners and high-frequency anal intercourse, which play important roles in HIV transmission.
王毅, 李六林, 樊静, 赵西和, 王晓丽, 杜婵娟, 刘江, 杨干金, 李伟, 贾秀伟, 王洪明, 任延飞, 廖平. 绵阳市不同寻找性伴场所MSM的性行为特征及HIV感染现状[J]. 实用预防医学, 2018, 25(9): 1029-1034.
WANG Yi, LI Liu-lin, FAN Jing, ZHAO Xi-he, WANG Xiao-li, DU Chan-juan, LIU Jiang,YANG Gan-jin, LI Wei, JIA Xiu-wei, WANG Hong-ming, REN Yan-fei, LIAO Ping. Characteristics of sexual behavior and current status of HIV infection among MSM looking for sexual partner in different places in Mianyang City. , 2018, 25(9): 1029-1034.
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