Consistently High Unprotected Anal Intercourse (UAI) and factors correlated with UAI among men who have sex with men: implication of a serial cross-sectional study in Guangzhou, China

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• 作者：Weibin Cheng (1)
  Weiming Tang (2)
  Fei Zhong (1) (3)
  Giridhar R Babu (4)
  Zhigang Han (1)
  Faju Qin (1)
  Kai Gao (1)
  Huixia Mai (1)
  Yuteng Zhao (1)
  Caiyun Liang (1)
  Lirui Fan (1)
  Hao Wu (1)
  Huifang Xu (1)
  Ming Wang (1)
  
  1. Department of AIDS/STD Control and Prevention ; Guangzhou Center for Disease Control and Prevention ; No.1 ; Qide Road ; Jiahe ; Baiyun District ; Guangzhou ; Guangdong Province ; 510440 ; China
  2. University of North Carolina Project-China ; No.2 Lujing Road ; Yuexiu District ; Guangzhou ; Guangdong Province ; 510095 ; China
  3. School of Public Health ; Sun Yat-Sen University ; No.74 2nd Yat-Sen Road ; Yuexiu District ; Guangzhou ; Guangdong ; Province ; 510080 ; China
  4. Department of Epidemiology ; Public Health Foundation of India ; IIPH H ; Bangalore Campus ; SIHFW Premises ; 1st cross ; Magadi road ; Bangalore ; Karnataka ; 560023 ; India
  
• 关键词：Unprotected anal intercourse (UAI) ; Men who have sex with men (MSM) ; Human immunodeficiency virus (HIV) ; Trend ; Serial cross ; sectional study ; China
• 刊名：BMC Infectious Diseases
• 出版年：2014
• 出版时间：December 2014
• 年：2014
• 卷：14
• 期：1
• 全文大小：214 KB
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• 刊物主题：Infectious Diseases; Parasitology; Medical Microbiology; Tropical Medicine; Internal Medicine;
• 出版者：BioMed Central
• ISSN：1471-2334

文摘

Background China experiencing an increasing HIV epidemic among men who have sex with men (MSM), and unprotected anal intercourse (UAI) has played a key role in this process. The aims of this study were to examine the trend of UAI and to explore the factors correlated with UAI among MSM in Guangzhou, China. Methods Data from 2008 to 2013 were retrieved from the annual serological and behavioral surveys system. We collected information on demographic, HIV related sexual behavior with men and women, access to HIV prevention services, and symptoms of sexually transmitted infections. Chi-square test was used to examine the similarity of the participants during the study period. Univariate and multivariate logistic regression were conducted to test the factors associated with UAI. Trend test was used to check the change of UAI in different characteristic stratums during the study period. Results In total, 58.4% (range from 54.5% to 62.0%) of the participants reported that they engaged in UAI in the past six months. Participants who aged less than 20 [Adjusted Odds Ratio (AOR): 2.22, 95% Confidential Interval (CI): 1.07-4.61], only attended elementary school (or less) (AOR: 1.41, 95% CI: 1.04-1.90), cohabiting with male partner (AOR: 2.15, 95% CI: 1.66-2.79), divorced or widowed (AOR: 2.80, 95% CI: 1.54-5.07), did not test for HIV in the past year (AOR: 1.36, 95% CI: 1.12-1.65), and had 10 or more partners in the past six months (AOR: 1.85, 95% CI: 1.18-2.91) had higher odds of UAI. However, the proportions of UAI were stable in different stratums during the study period. Conclusions The proportion of MSM engaged in UAI was consistently high during the study period. Effective intervention strategies, which include but not limit to risk reduction counseling and testing services, are urgently needed to bring down the risk behaviors of the MSM in Guangzhou, in order to control HIV/STIs epidemic in this specific population.