HIV Prevalence and Risk Factors Among Young Men Who Have Sex With Men in Southwest China: Cross-sectional Questionnaire Study.

The multivariable analysis model included marginally significant variables with a value of P ≤.05 in the bivariate analysis (chi-square test).

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Ethnic minority groups in Guangxi were historically disproportionally affected by drugs; it is possible that the differences in HIV infection rates were due to the effects of injection drug use among ethnic groups, although HIV infections caused by injection drug use have shown a decreasing trend in the region in general.

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