With the advent of the coronavirus disease 2019 (COVID-19) pandemic, mask-wearing among the general public has become commonplace, leading to a worldwide shortage.1 However, there is little data on mask-wearing proficiency in the general public. A single study performed in the US after Hurricane Katrina, when individuals donned masks for mold remediation, found that only 24% of participants demonstrated proper technique.2 Incorrectly worn masks may not confer effective protection against COVID-19.
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Accepted for Publication: April 25, 2020.
Published: May 20, 2020. doi:10.1001/jamanetworkopen.2020.9670
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2020 Yeung W et al. JAMA Network Open.
Corresponding Author: Wesley Yeung, MBBS, University Medicine Cluster, National University Hospital, 5 Lower Kent Ridge Rd, Singapore 119074 (email@example.com).
Author Contributions: Drs Yeung and Ng had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Drs Yeung, Ng, and Fong contributed equally to this work.
Concept and design: Yeung, Ng, Fong, Sng, Chia.
Acquisition, analysis, or interpretation of data: Yeung, Ng, Fong, Tai.
Drafting of the manuscript: Yeung, Ng, Fong.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Yeung, Ng, Tai.
Obtained funding: Yeung.
Administrative, technical, or material support: Yeung, Ng, Chia.
Supervision: Yeung, Sng.
Conflict of Interest Disclosures: Dr Tai reported receiving personal fees from Boehringer Ingelheim and Wiley Blackwell outside the submitted work. No other disclosures were reported.
Funding/Support: 3M Singapore provided 800 3M VFlex 9105 N95 masks for use in the study.
Role of the Funder/Sponsor: 3M Singapore had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Alex Lua, MBBS; Amanda Chin, MBBS; Cheryl Lie, MBBS; Claudia Chong, MBBS; Julia Ann-Lee, MBBS; Liang Sai, MBBS; Xin Qi Look, MBBS; Yun Hao Leong, MBBS, Abigail Lee, MBBS; Alexandra Yung, MBBS; Bing Howe Lee, MBBS; Bochao Jiang, MBBS; Cheryl Lam, MBBS; Deborah Lim, MBBS; Fiona Ng, MBBS; George Tan, MBBS; Jasmine Chang, MBBS; Jiaquan Chaung, MBBS; Jia Long Chua, MBBS; Kai Yun Ang, MBBS; Kevin Lim, MBBS; Kristabella Low, MBBS; Lorraine Yong, MBBS; Lyria Hoa, MBBS; Marcus Tan, MBBS; Marianne Tsang, MBBS; Michael Chee, MBBS; Nicholas Ngiam, MBBS; Nicole Chan, MBBS; Nicole Chew, MBBS; Ren Wei Liu, MBBS; Ryan Lee, MBBS; Shaina Neo, MBBS; and Zhao Kai Low, MBBS; provided help in the conduct of this study. They were not compensated for their contribution.
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