Still not convinced about #masks?
Our new paper in @LancetDigitalH surveyed mask-wearing behavior in over 300k Americans.
We find a 10% increase in self-reported mask use in a community was associated with > 3 fold better odds of #COVID19 Rt below 1.
thelancet.com/journals/landi…
Our new paper in @LancetDigitalH surveyed mask-wearing behavior in over 300k Americans.
We find a 10% increase in self-reported mask use in a community was associated with > 3 fold better odds of #COVID19 Rt below 1.
thelancet.com/journals/landi…
Important notes
Mask mandates alone were not sufficient to increase mask wearing.
Mask wearing layered with social distancing yielded highest probability of transmission control.
Findings remained strong after accounting for other factors (eg mobility and pop density).
Mask mandates alone were not sufficient to increase mask wearing.
Mask wearing layered with social distancing yielded highest probability of transmission control.
Findings remained strong after accounting for other factors (eg mobility and pop density).
Paper is led by Ben Rader with colleagues Jeff Shaman, Jack Chen, Michael Burns, @lfwhite14, @jcpolls, @joebrilliant, @larrybrilliant, @MOUGK, @Jared_B_Hawkins, @svscarpino, @AstleyCM
Mask data from @surveymonkey, contact data from @CmuDelphi @facebook & mobility from @google
Mask data from @surveymonkey, contact data from @CmuDelphi @facebook & mobility from @google
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