[The unprotected sexual behaviors and its influencing factors among HIV-infected men who have sex with men in Shanghai, China].

Published: November 1, 2012

Abstract
OBJECTIVE:

To investigate the sexual partners and sexual behaviors among HIV-infected men who have sex with men (MSM) and to examine the factors related with high risky sexual behaviors.

METHODS:

A total of 200 HIV-positive MSM participants were recruited using "snowballing" sampling from June to December in 2010 in Shanghai. Participants completed the questionnaire which included social demographic characteristics, sexual behaviors with male and female sexual partners in the past 6 months, alcohol consumption, alkyl nitrite use, illegal substances use and depression and anxiety symptoms, etc.

RESULTS:

Of the 200 HIV-positive MSM participants, 45.0% (90/200) of participants’ ages ranged from 26 to 35, and 30.0% (60/200) of the respondents were married. Participants living with a male partner and living with a female partner accounted for 17.0% (34/200) and 9.0% (18/200), respectively. A total of 57.5% (115/200) had anal sex with male and 13.5% (27/200) had sex with female in the past 6 months. The percentage of participants who had 2 or more male anal sexual partners was 36.5% (73/200). During last six months, participants who didn’t use condom consistently during anal sexes with men and vaginal sexes with women accounted for 16.0% (32/200) and 3.5% (7/200), respectively. The rate of risky sexual behaviors (any unprotected sex with male or female) during past 6 months was 17.5% (35/200). Factors associated with risky sexual behaviors included getting drunk before last sex (OR = 4.270, 90%CI: 1.676 – 10.881), using alkyl nitrite (OR = 3.397, 90%CI: 1.564 – 7.377) and having casual male partners (OR = 2.951, 90%CI: 1.278 – 5.252) during past six months, getting HIV infection diagnosis in half year (OR = 4.181, 90%CI: 1.939 – 9.013).

CONCLUSION:

There were high rates of unprotected anal sex with men and vaginal sex with women among HIV positive MSM and alcohol and substance use before sex could increase the risk of having unprotected sex.

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