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Nov 15, 2021 · Results. Mask-wearing varied over time and across the 38 countries. While some countries consistently showed high prevalence throughout, in other countries mask usage increased gradually, and a few other countries remained at low prevalence.
- Elena Badillo-Goicoechea, Ting-Hsuan Chang, Esther Kim, Sarah LaRocca, Katherine Morris, Xiaoyi Deng...
- 2021
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
Oct 31, 2023 · Two RCTs 5,6 on mask use in the community conducted during the COVID-19 pandemic have been published. 7 The first, which randomized 3030 people in Denmark to receive surgical masks and a recommendation to mask outside the home vs no intervention, produced inconclusive results. 5 The incidence of SARS-CoV-2 infection was 20% lower in the ...
Jul 15, 2021 · Results showed that as of July 2020, on average, 72% of county residents reported wearing a mask frequently or all of the time when outdoors and within 6 ft of another person. However, there was considerable variability (see Fig. 1 ), and thereby demonstrating the value of considering health determinants as a way to tease out the nature of the ...
- George B. Cunningham, Calvin Nite
- 2021
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Jan 19, 2021 · To assess the effect of mask mandates on self-reported mask-wearing, segmented regression was run comparing the 2 weeks before and 2 weeks after each state's intervention. All 12 states that issued a statewide mandate between June 17 and July 13, 2020 (2 weeks after the survey start and 2 weeks before survey completion), were included in this ...
- Benjamin Rader, Benjamin Rader, Laura F White, Michael R Burns, Jack Chen, Joseph Brilliant, Jon Coh...
- 2021
Feb 25, 2021 · Findings from this study suggest that statewide mask mandates were associated with statistically significant declines in weekly COVID-19 hospitalization growth rates for adults aged 40–64 years <3 weeks after the week that the mandate was implemented, and for adults aged 18–64 years ≥3 weeks after the implementation week.
Jun 23, 2021 · We show that mask mandates are associated with a statistically significant decrease in new cases (-3.55 per 100K), deaths (-0.13 per 100K), and the proportion of hospital admissions (-2.38 percentage points) up to 40 days after the introduction of mask mandates both at the state and county level.
