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Current risk factors for HIV infection among blood donors in seven Chinese regions
Zeng, P., Liu, J., Zhang, C., Zhang, B., Liu, W., Huang, M., Ma, H., Zhao, Y., Guo, R., He, M., Liu, Y., Liao, D., Sullivan, M., Wang, J., Cai, W., Ness, P., Shan, H., & International Component of the NHLBI Recipient Epidemiology and Donor Evaluation Study-III (REDS-III) (2020). Current risk factors for HIV infection among blood donors in seven Chinese regions. Transfusion, 60(2), 326-333. https://doi.org/10.1111/trf.15659
BACKGROUND: In China, there is a rising concern on the increasing trends of HIV infections in high-risk groups, who make blood donations that might potentially challenge the blood safety. Analyses on current risk factors for HIV infection among Chinese blood donors are urgently needed for developing effective strategies to defer high-risk donors and to warrant the safety of the blood supply.
STUDY DESIGN AND METHODS: We recruited 313 HIV-positive and 762 HIV-negative donors from seven study sites in China and evaluated donor demographic characteristics, current medical and behavioral risk factors associated with HIV infection in a case-control survey. Univariable analyses examined the relationship between HIV infection and donor and donation characteristics, medical and behavioral risks, living conditions, and lifestyles. Multivariable logistic regression analyses evaluated the association between selected individual risks and HIV infection. Regression tree analysis was used to select covariates correlated with both HIV infection and individual risks and thus need to be controlled for in logistic regression models.
RESULTS: Being a man who has sex with men was associated with the highest odds of HIV infection. Not using a condom, having sex with HIV-infected individuals, having sex partners with sexually transmitted diseases (STDs), having more than two concurrent sex partners, or having an STD were all associated with more than five times higher odds of having HIV. Having remunerated sex was associated with a 2.4 increased odds of having HIV infection.
CONCLUSION: High-risk sexual behaviors were among the major risks for HIV infection among Chinese blood donors.
