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. 2020 Nov 25;281:574–580. doi: 10.1016/j.jad.2020.11.113

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Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig 1 — Association between mask wearing practices and anxiety by sex.

Abbreviations: aOR, adjusted odds ratio; CI, confidence interval; I & I & I, improper type & improper way & improper behavior; I & I & P, improper type & improper way & proper behavior; I & P & I, improper type & proper way & improper behavior; I & P & P, improper type & proper way & proper behavior; P & I & I, proper type & improper way & improper behavior; P & I & P, proper type & improper way & proper behavior; P & P & I, proper type & proper way & improper behavior; P & P & P, proper type & proper way & proper behavior.

Adjusted for age, sex, education status, married status, type of teachers, school location, information source, attention level, worried level, fear level.