Prevalence and associated factors of unprotected anal intercourse with regular male sex partners among HIV negative men who have sex with men in China: a cross-sectional survey.

Anal/vaginal receptive sex is riskier than insertive prac- tices. Sex acts with partners of unknown/positive HIV status are riskier than those with HIV-negative partners, regardless

with female sex workers, condom use with sexual partners, educational level, marital status, marital stability (number of years married), race, sexual intercourse with fe- male

Among MSM living with HIV, prior HBV infection was associ- ated with older age, ever smoking, alcohol abstinence, HSV-2, syphilis infection and HBV vaccination in both bivariate

Progression of anal high-grade squamous intraepithelial lesions to invasive anal cancer among HIV-infected men who have sex with men. Shridhar R, Shibata D, Chan E,

The following factors associated with higher HIV prevalence were studied: sociodemographic variables; sexual behavior; condom use during sex; knowledge on transmission and

Survey on the use of health services by adult men: prevalence rates and associated

Four di ff erent condom use dependent variables were used: consistent condom use in the past six months during vaginal or anal sex with all clients and partners; consistent condom

Three groups of variables were included in the analysis: respondent characteristics at the time of the survey (survey site, age group, education level, occupation, awareness of HIV,