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- We found that the incidence of self-reported COVID-19 was 33% (aRR 1.33; 95% CI 1.03–1.72) higher in those wearing face masks often or sometimes, and 40% (aRR 1.40; 95% CI 1.08–1.82) higher in those wearing face masks almost always or always, compared to participants who reported wearing face masks never or almost never.
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Jun 6, 2023 · An increase of 100% of the proportion of people declaring wearing a mask (multiply by two) over the studied period lead to a reduction of around 12 and 13.5% of the number of Covid-19 infected...
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May 23, 2022 · We estimated the incidence rate ratios (IRR) for new infections among mask wearers relative to non-mask wearers over the course of 6 months, for different types of mask (Table 2). These...
May 23, 2024 · In the community trials of masks plus hand hygiene, influenza incidence was significantly lower in the masks plus hand hygiene group compared to a no-mask control arm. Among RCTs that...
Results. Across 3103 counties, the majority of county residents reported wearing a mask always or frequently between 2 July and 14 July 2020 (median = 72%; Table 1), and the median IRR score was 0.52. The median daily COVID-19 case rate between 15 June and 1 July 2020 was 243 per 100 000.
- 10.22605/RRH6596
- 2021/07
Aug 6, 2021 · Our results are general, and suggest that, even when a large fraction of infected individuals is asymptomatic, mask wearing is the most effective strategy to control virus spread and alleviate...
- Adam Catching, Sara Capponi, Ming Te Yeh, Simone Bianco, Raul Andino
- 2021
Nov 13, 2023 · We found that the incidence of self-reported COVID-19 was 33% (aRR 1.33; 95% CI 1.03–1.72) higher in those wearing face masks often or sometimes, and 40% (aRR 1.40; 95% CI 1.08–1.82) higher in those wearing face masks almost always or always, compared to participants who reported wearing face masks never or almost never.
Jul 15, 2021 · Further, participants stigmatized non-mask wearers. In an observational study in the US in June of 2020, just 41% of people wore a mask [14]. There were a number of factors associated with mask wearing, including older age, being female, and living in a suburban or urban setting [14].