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BioMed Research International
Volume 2014, Article ID 970975, 9 pages
Research Article

Associations between Cognitive, Sociocontextual, and Affective Variables and Unprotected Anal Intercourse among Men Who Have Sex with Men—A Comparative Study Conducted in Two Chinese Cities

1Centre for Health Behaviors Research, School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong
2Centre for Medical Anthropology and Behavioral Health, Sun Yat-sen University, Guangzhou 510080, China
3CUHK Shenzhen Research Institute, Shenzhen 518057, China
4School of Public Health and Primary Care, Prince of Wales Hospital, Shatin, Hong Kong
5Shenzhen Center for Chronic Disease Control, Shenzhen 518020, China
6School of Public Health, Sun Yat-sen University, Guangzhou 510080, China

Received 6 November 2013; Accepted 12 January 2014; Published 5 March 2014

Academic Editor: Yujiang Jia

Copyright © 2014 Joseph T. F. Lau et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Few studies compared HIV-related risk behaviors between cities with different sociocultural environments among men who have sex with men (MSM). This study investigated the prevalence of unprotected anal intercourse (UAI) and associated individual and socio-cultural factors among Chinese MSM in Hong Kong and Shenzhen in Mainland China, which were proximal to each other but experienced different socioeconomic developments. Amongst all the 535 participants, 40.2% had had UAI. Significant factors of UAI among Shenzhen MSM included being able to find someone to share one’s sexual orientation, disclosure of sexual orientation to family members, HIV risk perception, and use of alcohol or substances (adjusted OR ranged from 2.37 to 4.91), whilst disclosure of sexual orientation to family members was the only significant factor among Hong Kong MSM (adjusted OR = 1.64). Geographic variations in factors associated with UAI were observed. Future research and interventions need to take this into account.