The Mediating Role of Condom Use and Rectal Bleeding in a National Onli
Epidemiology Sex Transm Infect: first published as 10.1136/sextrans-2019-054415 on 5 May 2020. Downloaded from Original research Association between rectal douching and HIV acquisition: the mediating role of condom use and rectal bleeding in a national online sample of Chinese men who have sex with men Tianyi Lu,1 Xiang Mao,1 Erlei Peng,1 Yangyang Gao,1 Zhenxing Chu,1 Willa Dong,2 Wenran Zhang,1 Yong- Jun Jiang,1 Junjie Xu 1 1NHC Key Laboratory of AIDS ABSTRact challenge imposed by the HIV epidemic among Immunology (China Medical Objectives Previous studies have demonstrated that certain populations, particularly MSM. National University), National Clinical Research Center for Laboratory rectal douching (RD) is associated with HIV acquisition surveillance data have indicated that the preva- Medicine, The First Affiliated among men who have sex with men (MSM). However, lence of HIV among MSM increased from 0.9% in Hospital of China Medical the precise mechanism underlying the association 2003 to 8% in 2015.3 4 Given the disproportion- University, Shenyang, China 2 between RD and HIV remains unclear. ately high burden of HIV infection among MSM, Department of Health Behavior, Methods We recruited participants over WeChat from it is essential to understand the sexual behaviours Gillings School of Global Public Health, The University of North October 2017 to October 2018. Respondents received and preferences of this key population in order to Carolina at Chapel Hill, Chapel mailed HIV self-testing kits, uploaded images of HIV develop a novel and effective strategy to prevent Hill, North Carolina, USA self-test results and completed an online electronic HIV infection.
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