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COVID-19 research briefs: handwashing reduces transmission of respiratory infections

Question clinique

Can advice to wash hands frequently reduce the transmission of respiratory infections?

L’Essentiel

A brief online handwashing intervention reduced respiratory infections. 1b

Référence

Little P, Stuart B, Hobbs FD, et al. An internet-delivered handwashing intervention to modify influenza-like illness and respiratory infection transmission (PRIMIT): a primary care randomised trial. Lancet 2015;386(10004):1631-639.

Plan de l'etude: Randomized controlled trial (nonblinded)

Financement:

Cadre: Population-based

Sommaire

Research Brief #4 (Little, 2015) A UK trial randomized 20,066 persons living in households with others to receive either access to a brief online handwashing intervention or no access. The primary outcome - the likelihood that a participant had a respiratory tract infection during a 4-month period - was decreased in the intervention group (51% vs 59%; P < .001; number needed to treat [NNT] = 12). The intervention also decreased the number of gastrointestinal infections (21% vs 25%; P < .001; NNT = 25) and the number of respiratory infections in a household member (44% vs 49%;P < .001; NNT = 20). The intervention has been updated for COVID-19 and is freely available at germdefence.org.

Reviewer

Mark H. Ebell, MD, MS
Professor
University of Georgia
Athens, GA


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Commentaires

Haydarally Hasanalee Fazal

Significance

Are these numbers statistically significant ?

avril 19, 2020
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