The Effectiveness of Distributing Free Face Masks to Increase Use of Face Masks During the COVID-19 Pandemic. A Randomised Experiment in Stovner District, Oslo, Norway
The Effectiveness of Distributing Free Face Masks to Increase Use of Face Masks During the COVID-19 Pandemic. A Randomised Experiment in Stovner District, Oslo, Norway
The investigators will carry out a randomised trial of free face mask distribution in Stovner District, Oslo, Norway. Ten grocery stores will serve as study sites. Over three weeks the stores will be randomised daily to having "corona hosts" outside their entrance, handing out face masks to customers. The investigators will compare the proportion of customers who wear face masks as they enter the store in stores with or without face mask distribution.
All grocery stores in the Stovner district are eligible as long as they have not, or only sporadically, had free distribution of face masks previously.
At the customer level, we will only include those 12 years or older (age based on the outcome assessor's judgement).