Objective To examine the prevalence and influencing factors of human immunodeficiency virus (HIV) infection among male sexually transmitted disease (STD) clinic attendees in a China-Vietnam border city in Guangxi Zhuang Autonomous Region (Guangxi) and to provide references for developing intervention strategies.
Methods We conducted questionnaire interviews and serological tests for HIV, Treponema pallidum (Tp), and hepatitis C virus (HCV) infection among 9 221 male attendees of STD clinics (sentinel surveillance sites) in Pingxiang city in China-Vietnam border area of Guangxi during 2010 through 2016.
Results The ages of the participants were from 15 to 81 years and 84.50% of them were aged 20 – 59 years. Among all the participants during the period, totally 136 were identified as HIV positive, with a HIV positive rate of 1.47% and a downward trend in HIV infection rate. The total number of Tp and HCV positive participants were 223 and 66 and the detection rate of Tp and HCV infection were 2.24% and 0.72%. Of all the participants, 92.51% (8 488) were aware of 6 of 8 items AIDS-related knowledge; 29.4% (2 715) and 22.24% (2 051) reported having sex with commercial sex workers and temporary sexual partners during the previous three months; 0.74% (68) reported history of injection drug use and 0.17% (16) reported the history of homosexual anal sex, respectively. Multivariate logistic regression analysis revealed that the risk factors of HIV infection among the participants were aged 60 – 79 years (adjusted odds ratio aOR = 1.144, 95% confidence interval 95% CI: 0.327 – 4.002), injection drug use (aOR = 6.439, 95% CI: 1.874 – 22.128), homosexual anal sex (aOR = 7.362, 95% CI: 1.281 – 42.329) and suffering from STDs during previous one year (aOR = 1.922, 95% CI: 1.137 – 3.248); while being aware of AIDS-related knowledge was a protective factor against HIV infection (aOR = 0.054, 95% CI: 0.037 – 0.075).
Conclusion The prevalence of HIV infection declined but still needs to be concerned among attendees of STD clinics in a China-Vietnam border city in Guangxi. Education on AIDS-related knowledge and behavioral intervention should be promoted in the population.
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