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Abstract Title:

Use of surgical face masks to reduce the incidence of the common cold among health care workers in Japan: a randomized controlled trial.

Abstract Source:

Am J Infect Control. 2009 Jun ;37(5):417-419. Epub 2009 Feb 12. PMID: 19216002

Abstract Author(s):

Joshua L Jacobs, Sachiko Ohde, Osamu Takahashi, Yasuharu Tokuda, Fumio Omata, Tsuguya Fukui

Article Affiliation:

Joshua L Jacobs

Abstract:

BACKGROUND: Health care workers outside surgical suites in Asia use surgical-type face masks commonly. Prevention of upper respiratory infection is one reason given, although evidence of effectiveness is lacking.

METHODS: Health care workers in a tertiary care hospital in Japan were randomized into 2 groups: 1 that wore face masks and 1 that did not. They provided information about demographics, health habits, and quality of life. Participants recorded symptoms daily for 77 consecutive days, starting in January 2008. Presence of a cold was determined based on a previously validated measure of self-reported symptoms. The number of colds between groups was compared, as were risk factors for experiencing cold symptoms.

RESULTS: Thirty-two health care workers completed the study, resulting in 2464 subject days. There were 2 colds during this time period, 1 in each group. Of the 8 symptoms recorded daily, subjects in the mask group were significantly more likely to experience headache during the study period (P<.05). Subjects living with children were more likely to have high cold severity scores over the course of the study.

CONCLUSION: Face mask use in health care workers has not been demonstrated to provide benefit in terms of cold symptoms or getting colds. A larger study is needed to definitively establish noninferiority of no mask use.

Study Type : Human Study

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Sayer Ji
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