School of Health Sciences, Purdue University, West Lafayette, IN, USA.
Department of Biochemistry, Purdue University, West Lafayette, IN, USA; Department of Public Health, Purdue University, West Lafayette, IN, USA.
Am J Infect Control. 2022 Mar;50(3):349-351. doi: 10.1016/j.ajic.2021.11.028. Epub 2021 Dec 7.
This observational study was conducted to determine the prevalence and correlates of wearing masks at a large Midwestern US university during the COVID-19 pandemic. A total of 7,237 individuals were observed over 24 hours. Overall mask use prevalence was 90.6% (95% confidence interval: 89.9, 91.2); mask use was significantly associated with being indoors (vs outdoors), female (vs male), and at the athletic center (vs the student union).
这项观察性研究旨在确定在 COVID-19 大流行期间,在美国中西部一所大型大学戴口罩的流行率和相关因素。在 24 小时内共观察到 7237 人。总体口罩使用率为 90.6%(95%置信区间:89.9,91.2);与在室内(相比室外)、女性(相比男性)和在运动中心(相比学生会)相比,口罩使用显著相关。