title: The epidemic of HIV, syphilis, chlamydia and gonorrhea and the correlates of sexual transmitted infections among men who have sex with men in Jiangsu, China, 2009.
abstract: BACKGROUND
  In China, the HIV/AIDS epidemic is expanding among men who have sex with men (MSM). As independent risk factors of HIV infection, the epidemics of Chlamydia (CT) and Gonorrhea (NG) in MSM were not well studied, particular for the risk factors of these infectious. The objectives of current reported study were to understand the dynamics of HIV and other sexual transmitted infections (STIs) among MSM in Jiangsu, China, and to measure factors that correlated with STIs.
  
  
  METHODS
  In order to gain more participants, a multisite cross-sectional study design was used in our study, by using convenience-sampling to recruit MSM in two Changzhou and Yangzhou, Jiangsu, China, between the July and October of 2009.
  
  
  RESULTS
  In this comprehensive survey involving MSM in two cities of Jiangsu province of China, the prevalence of STIs of CT (6.54%), NG (3.63%), syphilis (20.34%) and HIV (11.62%) were measured. Overall, the STIs prevalence (CT, NG or syphilis) for the participants in our study was 26.39%, meanwhile, 3.4% (14 out of the 413) participants had at least two kinds of STIs. Meeting casual partners at parks, public restrooms or other public areas, having had anal sex with men in the past six months, having had STI symptoms in the past year were positively correlated with STIs positive, with adjusted ORs of 4.61(95%CI 1.03-20.75), 1.91(95%CI 1.14-3.21) and 2.36(95%CI 1.07,5.24).
  
  
  CONCLUSIONS
  Our study findings reiterate the fact that Chinese MSM are highly susceptible to acquiring syphilis, CT, NG and HIV, and there is an urgent need for intervention targeted towards this population. Behavioral measures should constitute an important part of the targeted intervention. Furthermore, the already implemented preventive and diagnostic services for HIV should be expanded to include syphilis CT and NG, too.
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Geng-Feng
authors.initials: GF
authors.lastname: Fu
authors.affiliation: National Center for STD Control, Chinese Center for Disease Control and Prevention, Nanjing, China.
authors.forename: Ning
authors.initials: N
authors.lastname: Jiang
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Hai-Yang
authors.initials: HY
authors.lastname: Hu
authors.affiliation: Department of Epidemiology, University of California Los Angeles, Los Angeles, California, United States of America.
authors.forename: Tanmay
authors.initials: T
authors.lastname: Mahapatra
authors.affiliation: National Center for STD Control, Chinese Center for Disease Control and Prevention, Nanjing, China.
authors.forename: Yue-Ping
authors.initials: YP
authors.lastname: Yin
authors.affiliation: Department of Epidemiology, University of California Los Angeles, Los Angeles, California, United States of America.
authors.forename: Sanchita
authors.initials: S
authors.lastname: Mahapatra
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Xiao-Liang
authors.initials: XL
authors.lastname: Wang
authors.affiliation: National Center for STD Control, Chinese Center for Disease Control and Prevention, Nanjing, China.
authors.forename: Xiang-Sheng
authors.initials: XS
authors.lastname: Chen
authors.affiliation: Department of Epidemiology, University of California Los Angeles, Los Angeles, California, United States of America.
authors.forename: Giridhar R
authors.initials: GR
authors.lastname: Babu
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Xiao-Qin
authors.initials: XQ
authors.lastname: Xu
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Ping
authors.initials: P
authors.lastname: Ding
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Tao
authors.initials: T
authors.lastname: Qiu
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Xiao-Yan
authors.initials: XY
authors.lastname: Liu
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Hongxiong
authors.initials: H
authors.lastname: Guo
authors.affiliation: Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China.
authors.forename: Xi-Ping
authors.initials: XP
authors.lastname: Huan
authors.affiliation: University of North Carolina Project-China, Guangzhou, China.
authors.forename: Weiming
authors.initials: W
authors.lastname: Tang
mesh_terms: D000328:Adult; D002681:China / Q000453:epidemiology; D002690:Chlamydia Infections / Q000453:epidemiology; D003430:Cross-Sectional Studies; D058872:Epidemics; D006069:Gonorrhea / Q000453:epidemiology; D006678:HIV / Q000302:isolation & purification*; D015658:HIV Infections / Q000453:epidemiology; D018451:Homosexuality, Male / Q000706:statistics & numerical data*; D006801:Humans; D007406:Interview, Psychological; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*; D013587:Syphilis / Q000453:epidemiology; D047568:Unsafe Sex / Q000706:statistics & numerical data