@文章{info:doi/ 10.2199 /37922，作者=“吕毅朱启宇徐启宇张成栋关斌蒋燕韩孟杰金丛”，标题=“2015-2017年中国网上购买艾滋病自检试剂盒的时空分析:纵向观察研究”，期刊=《JMIR公共卫生监测》，年=“2022”，月=“9”，日=“27”，卷=“8”，数=“9”，页=“e37922”，关键词=“时空;特征;在线;购买;艾滋病毒;自我测试;电子商务;经济地位;艾滋病毒流行;背景:自2014年联合国艾滋病规划署引入艾滋病病毒自检以来，这一实践在世界范围内得到了广泛的实施。 HIV self-testing (HIVST) was developed in China around 2015, and the online purchase of HIVST kits through e-commerce platforms has since become the most important delivery method for self-testing, with advantages such as user-friendliness, speed, and better privacy protection. Objective: Understanding the spatiotemporal characteristics of online HIVST kit purchasing behavior and identifying potential impacting factors will help promote the HIV self-testing strategy. Methods: The online retail data of HIVST kits from the 2 largest e-commerce platforms in China from 2015 to 2017 were collected for this study. The Bayesian spatiotemporal hierarchical model was used to investigate the spatiotemporal characteristics of online purchased HIVST kits. Ordinary least squares regression was used to identify potential factors associated with online purchase, including GDP per capita, population density, road density, HIV screening laboratory density, and newly diagnosed HIV/AIDS cases per 100,000 persons. The q statistics calculated by Geodetector were used to determine the interactive effect of every 2 factors on the online purchase. Results: The online purchase of HIVST kits increased rapidly in China from 2015 to 2017, with annual peak sales in May and December. Five economically superior regions in China, Pearl River Delta, Yangtze River Delta, Chengdu and surrounding areas, Beijing and Tianjin areas, and Shandong Peninsula, showed a comparatively higher spatial preference for online purchased HIVST kits. The GDP per capita (P<.001) and the rate of newly diagnosed HIV/AIDS cases per 100,000 persons (P<.001) were identified as 2 factors positively associated with online purchase. Among the factors we investigated in this study, 2 factors associated with online purchase, GDP per capita and the rate of newly diagnosed HIV/AIDS cases per 100,000 persons, also displayed the strongest interactive effect, with a q value of 0.66. Conclusions: Individuals in better-off areas are more inclined to purchase HIVST kits online. In addition to economic status, the severity of the HIV epidemic is also a factor influencing the online purchase of HIVST kits. ", issn="2369-2960", doi="10.2196/37922", url="https://publichealth.www.mybigtv.com/2022/9/e37922", url="https://doi.org/10.2196/37922", url="http://www.ncbi.nlm.nih.gov/pubmed/35918844" }