Cognitions of theory of planned behavior predicting the high risk sexual behaviors among men who have sex with men in China: the results from a six months prospective cohort study

Published: August 31, 2010

Cognitions of theory of planned behavior predicting the high risk sexual behaviors among men who have sex with men in China: the results from a six months prospective cohort study

C. Hao1, H. Yang2, X. Huan2, H. Yan2, J.T.F. Lau1

1The Chinese University of Hongkong, Hong Kong, Hong Kong, 2Jiangsu Provincial Center for Diseases Control and Prevention, Nanjing, China

Background: The Theory of Planned Behavior (TPB) has been regularly used to predict condom use among HIV high risk behavior population in the cross-sectional studies, such as men who have sex with men (MSM), but rarely in the longitudinal study, especially in China. This study was to investigate the TPB-related cognitions predictive of the risk sexual behaviors and obtain the information to apply on the risk behavior change intervention targeting MSM.
Methods: A 6-month prospective cohort study was conducted. A total of 397 MSM were followed up for 6 months starting from May 2007. Questionnaire interviews were conducted to collect information about background characteristics, risk sexual behaviors with regular or casual male sex partners and TPB-related cognitions.
Results: 184 MSM had regular male sex partners, and 150 MSM had casual male sex partners at six months follow up. 57.6% and 42% had unprotected anal intercourse with regular and casual male sex partners at six months follow up, respectively. One out of two items of condom attitude at baseline (ARR=0.63, 95%CI: 0.42-0.86, p< 0.01) and Perceived Behavior Control Scale at baseline (ARR=0.94, 95%CI:0.98-0.99, p< 0.01) were significantly predicted inconsistent condom use with regular male sex partners at six months follow up. Higher scores on Perceived Behavior Control Scale at baseline (ARR= 0.52 to 0.53, p< 0.05) was significantly predicted for lower likelihood of inconsistent condom use with casual male sex partners at six months follow up.
Conclusions: The different cognitions of TPB model should be separately applied into the behavioral intervention targeting different subgroup among MSM, and behavioral interventions should focus on increasing the self-efficacy of condom use.

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