Differences in rapid increases in county-level COVID-19 incidence by implementation of statewide closures and mask mandates ? United States, June 1?September 30, 2020

被引:20
作者
Dasgupta, Sharoda [1 ]
Kassem, Ahmed M. [1 ]
Sunshine, Gregory [1 ,2 ]
Liu, Tiebin [1 ]
Rose, Charles [1 ]
Kang, Gloria J. [1 ]
Silver, Rachel [1 ]
Maddox, Brandy L. Peterson [1 ]
Watson, Christina [1 ]
Howard-Williams, Mara [2 ]
Gakh, Maxim [3 ]
McCord, Russell [1 ,2 ]
Weber, Regen [2 ]
Fletcher, Kelly [1 ]
Musial, Trieste [1 ]
Tynan, Michael A. [1 ]
Hulkower, Rachel [1 ,2 ]
Moreland, Amanda [2 ]
Pepin, Dawn [1 ]
Landsman, Lisa [2 ]
Brown, Amanda [2 ]
Gilchrist, Siobhan [1 ]
Clodfelter, Catherine [1 ]
Williams, Michael [1 ]
Cramer, Ryan [1 ]
Limeres, Alexa [1 ]
Popoola, Adebola [1 ]
Dugmeoglu, Sebnem [1 ]
Shelburne, Julia [2 ]
Jeong, Gi [2 ]
Rao, Carol Y. [1 ]
机构
[1] Ctr Dis Control & Prevent, CDC COVID 19 Response Team, Atlanta, GA 30030 USA
[2] Ctr Dis Control & Prevent, Publ Hlth Law Program, Atlanta, GA 30030 USA
[3] Univ Nevada, Las Vegas, NV 89154 USA
关键词
COVID-19; Closures; Mask mandates; Mitigation strategies; MITIGATION MEASURES; TRENDS; HOTSPOT;
D O I
10.1016/j.annepidem.2021.02.006
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background and Objective: Community mitigation strategies could help reduce COVID-19 incidence, but there are few studies that explore associations nationally and by urbanicity. In a national county-level analysis, we examined the probability of being identified as a county with rapidly increasing COVID-19 incidence (rapid riser identification) during the summer of 2020 by implementation of mitigation policies prior to the summer, overall and by urbanicity. Methods: We analyzed county-level data on rapid riser identification during June 1?September 30, 2020 and statewide closures and statewide mask mandates starting March 19 (obtained from state government websites). Poisson regression models with robust standard error estimation were used to examine differences in the probability of rapid riser identification by implementation of mitigation policies ( P-value .05); associations were adjusted for county population size. Results: Counties in states that closed for 0?59 days were more likely to become a rapid riser county than those that closed for 59 days, particularly in nonmetropolitan areas. The probability of becoming a rapid riser county was 43% lower among counties that had statewide mask mandates at reopening (adjusted prevalence ratio = 0.57; 95% confidence intervals = 0.51?0.63); when stratified by urbanicity, associations were more pronounced in nonmetropolitan areas. Conclusions: These results underscore the potential value of community mitigation strategies in limiting the COVID-19 spread, especially in nonmetropolitan areas. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ )
引用
收藏
页码:46 / 53
页数:8
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