HIV Infection Incidence among Men Who Have Sex with Men in Common Bathing Pool in Tianjin
OBJECTIVE:
To
investigate incidence of HIV infection and identify associated risk factors
among men who have sex with men (MSM) in common bathing pools in Tianjin.
METHODS:
A
prospective cohort study was conducted among the MSM recruited in a common
bathing pool in Tianjin from 2011 to 2013. A total of 733 MSM were surveyed to
obtain the information about their sociodemographic characteristics,
HIV-related knowledge awareness and sexual behaviors, and subsequent follow-up
surveys were carried out every four months. Cox regression analysis was
conducted to identify the risk factors for HIV infection.
RESULTS:
A total
of 59 HIV infection cases were found in the 2.5-years follow-up survey. The
cumulative follow-up time was 7 384.9 person months. The incidence rate of HIV infection
was 9.59/100 person-year. The multivariate Cox regression analysis showed that
young age, low score of HIV/AIDS knowledge awareness (HR=1.82,
95%CI:1.03-2.66), having two and more sexual partners during past 6 months
(HR=1.74, 95%CI: 1.26-2.58) and syphilis (HR=2.36, 95%CI:1.31-3.27) were
significantly associated with HIV infection in this MSM cohort.
CONCLUSIONS:
Low
score of HIV/AIDS knowledge awareness, young age, having two and more sexual
partners during past 6 months and syphilis were the risk factors for HIV
infection in MSM in common bathing pools. It is necessary to strengthen the HIV
surveillance and intervention in this population.
- 1Tianjin Center for Disease Control and Prevention, Tianjin 300011, China.
- 2National Center for STD/AIDS Control and Prevention, Chinese Center for Disease Control and Prevention Beijing 102206, China.
- 3United States Center of Disease Control Global AIDS Program, China Office, Beijing 100600, China.
- 4Shenlan Public Health Counsel Service Center, Tianjin 300121, China.
- Zhonghua Liu Xing Bing Xue Za Zhi. 2016 Mar 10;37(3):362-6. doi: 10.3760/cma.j.issn.0254-6450.2016.03.014.
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