1.HIV self-testing reagent use in pre-exposure prophylaxis and related factors in men who have sex with men
Xia JIN ; Hongyi WANG ; Jing ZHANG ; Zhenxing CHU ; Zhili HU ; Rantong BAO ; Hang LI ; Xiaojie HUANG ; Yaokai CHEN ; Hui WANG ; Xiaoqing HE ; Lukun ZHANG ; Haibo DING ; Wenqing GENG ; Yongjun JIANG ; Shangcao LI ; Junjie XU
Chinese Journal of Epidemiology 2021;42(2):278-283
Objective:To understand the current status of HIV self-testing reagent use in pre-exposure prophylaxis (PrEP) and related factors in men who have sex with men (MSM).Methods:From December 2018 to December 2019, "Gold data" online platform (www.jinshuju.com) was used to conduct multicenter PrEP studies in Shenyang, Beijing, Chongqing and Shenzhen of China.Results:A total of 1 222 MSM PrEP users were included in the multicenter study. The average age of the participants was (31.5±8.7) years, and the number of sexual partners in the past three months was 3 ( P 25, P 75:2,6). The proportions of those who did not use condoms in anal sex with fixed, casual and commercial partners were 62.7% (456/727), 56.3% (440/781) and 41.0% (16/39), respectively. Up to 74.5% (910/1 222) of participants had used HIV self-testing reagents, and the number of HIV self-testing during last year was 3 ( P 25, P 75:2,5). The multivariate logistic regression analysis indicated that compared with age group >40 years, those with education level of junior high school or below, those with psychological identity as female, event driven PrEP users, those never using new type drugs in past 3 months, the participants aged 18- years (a OR=2.06, 95% CI: 1.35-3.14), 26- years (a OR=2.72, 95% CI: 1.77-4.17), 31- years (a OR=1.76, 95% CI: 1.19-2.59), undergraduates (a OR=2.18, 95% CI: 1.35-3.49), graduate students and above (a OR=3.06, 95% CI: 1.69-5.54), those with psychological identity as male (a OR=3.22, 95% CI: 1.55-6.70), daily PrEP users (a OR=1.35, 95% CI: 1.03-1.78), and new type drug users in the past three months (a OR=1.72, 95% CI: 1.30-2.28) had higher proportions of HIV self-testing behaviors. Conclusions:The proportion of HIV self-testing in MSM PrEP users was high, while it was relatively low in older age group, event driven PrEP users and MSM never using new type drugs. To assess and improve the effectiveness and compliance of PrEPs, it is necessary to provide better HIV self-testing service for MSM with low HIV self-testing rate.
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