HIV infection and sexual behaviors among non-commercial men who have sex with men at different venues.

The prevalence of HIV infection among men who have sex with men (MSM) has increased rapidly in China. Previous studies suggested that some venue-specific characteristics could significantly affect MSM's sexual behaviors that were related to HIV transmission. Thus, to compare the HIV infection rates and related risky sexual behaviors among MSM at different venues, we conducted a cross-sectional study with time-location sampling in Shenzhen, China.

[Evaluation of effects of combination intervention model to men who have sex with men].

Objective: This study aimed to explore and evaluate the effects of combination intervention model conducted by Center for Disease Control and Prevention and activity place to men who have sex with men (MSM).

Methods: To implement one-year combination intervention in 4 MSM venues during May, 2009 and April, 2010. Meanwhile, 3 similar MSM venues were chosen as control.

[A survey on condom-use and associated factors among men who have sex with men in Shenzhen, Guangdong].

Objective: To learn the condom-use and it's associated factors among men who have sex with men (MSM) in Shenzhen, so as to provide scientific basis for the development of prevention and control program.

Methods: Cross-sectional survey was conducted with standardized questionnaire used on individual case. Associated factors with behavior of not persistent condom use were analyzed, using logistic regression method as dependent variable and associated factors with behaviors as independent variables.

HIV prevalence and related risk factors among male sex workers in Shenzhen, China: results from a time-location sampling survey.

Background: HIV transmission among men who have sex with men has recently become a major concern in China. Little is known, however, about HIV transmission among male sex workers (MSW). This study aimed to investigate HIV infection prevalence and risk factors among MSW in Shenzhen, China.