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HIV incidence among men who have sex with men in Beijing: a prospective cohort study
  1. Dongliang Li1,
  2. Shuming Li1,
  3. Yingjie Liu1,
  4. Yanjie Gao1,
  5. Mingrun Yu1,
  6. Xueying Yang1,
  7. Qingchun Li2,
  8. Shulin Jiang1,
  9. Zhenhai Zhou2,
  10. Zheng Zhang1,
  11. Li Yan3,
  12. Guiyan Jiang3,
  13. Dong Xiao4,
  14. Stephen W Pan5,
  15. Fengji Luo1,
  16. Yuhua Ruan2,
  17. Yiming Shao2
  1. 1Chaoyang Center for Disease Control and Prevention, Beijing, PR China
  2. 2State Key Laboratory for Infectious Disease Prevention and Control, and National Center for AIDS/STD Control and Prevention (NCAIDS), Chinese Center for Disease Control and Prevention (China CDC), Beijing, PR China
  3. 3Beijing Jingcheng Skin Diseases Hospital, Beijing,  PR China
  4. 4Chaoyang Chinese AIDS Volunteer Group, Beijing, PR China
  5. 5The School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada
  1. Correspondence to Dr Fengji Luo; luofengji{at}yahoo.com.cn

Abstract

Objectives (1) To assess the HIV incidence rate among men who have sex with men (MSM) in a large cohort study in Beijing, China and (2) to identify sociodemographic and behavioural risk factors of HIV seroconversion among MSM in Beijing, China.

Design A prospective cohort study.

Setting Baseline and follow-up visits were conducted among MSM in Beijing, China.

Participants A cohort of 797 HIV-seronegative MSM was recruited from August to December 2009, with follow-up occurring after 6 and 12 months.

Primary and secondary outcome measures At baseline and follow-up visits, participants reported sociodemographic and sexual behaviour information, and were tested for HIV, herpes simplex virus-2 (HSV-2) and syphilis with whole blood specimens. Cox regression analysis was used to identify factors associated with HIV seroconversion.

Results Most study participants (86.8%) were retained by the 12-month follow-up. The HIV, HSV-2 and syphilis incidence rates were 8.09 (95% CI 6.92 to 9.26), 5.92 (95% CI 5.44 to 6.40) and 8.06 (95% CI 7.56 to 8.56) cases per 100 person-years, respectively. HIV seroconversion was significantly associated with being <25 years old, having <12 years of education, having >1 male sex partner in the past 6 months, and being syphilis positive or HSV-2 positive.

Conclusions The HIV incidence among MSM in Beijing is serious. Interventions and treatment of sexually transmitted diseases (STD) should be combined with HIV control and prevention measures among MSM.

  • Epidemiology

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