Effectiveness of COVID-19 shelter-in-place orders varied by state.

State "shelter-in-place" (SIP) orders limited the spread of COVID-19 in the U.S. However, impacts may have varied by state, creating opportunities to learn from states where SIPs have been effective. Using a novel dataset of state-level SIP order enactment and county-level mobility data fo...

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Main Authors: Yevgeniy Feyman, Jacob Bor, Julia Raifman, Kevin N Griffith
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2020-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0245008
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author Yevgeniy Feyman
Jacob Bor
Julia Raifman
Kevin N Griffith
author_facet Yevgeniy Feyman
Jacob Bor
Julia Raifman
Kevin N Griffith
author_sort Yevgeniy Feyman
collection DOAJ
description State "shelter-in-place" (SIP) orders limited the spread of COVID-19 in the U.S. However, impacts may have varied by state, creating opportunities to learn from states where SIPs have been effective. Using a novel dataset of state-level SIP order enactment and county-level mobility data form Google, we use a stratified regression discontinuity study design to examine the effect of SIPs in all states that implemented them. We find that SIP orders reduced mobility nationally by 12 percentage points (95% CI: -13.1 to -10.9), however the effects varied substantially across states, from -35 percentage points to +11 percentage points. Larger reductions were observed in states with higher incomes, higher population density, lower Black resident share, and lower 2016 vote shares for Donald J. Trump. This suggests that optimal public policies during a pandemic will vary by state and there is unlikely to be a "one-size fits all" approach that works best.
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spelling doaj.art-4e6bd4c5145f4b3184255e505632f4c92022-12-26T05:31:38ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-011512e024500810.1371/journal.pone.0245008Effectiveness of COVID-19 shelter-in-place orders varied by state.Yevgeniy FeymanJacob BorJulia RaifmanKevin N GriffithState "shelter-in-place" (SIP) orders limited the spread of COVID-19 in the U.S. However, impacts may have varied by state, creating opportunities to learn from states where SIPs have been effective. Using a novel dataset of state-level SIP order enactment and county-level mobility data form Google, we use a stratified regression discontinuity study design to examine the effect of SIPs in all states that implemented them. We find that SIP orders reduced mobility nationally by 12 percentage points (95% CI: -13.1 to -10.9), however the effects varied substantially across states, from -35 percentage points to +11 percentage points. Larger reductions were observed in states with higher incomes, higher population density, lower Black resident share, and lower 2016 vote shares for Donald J. Trump. This suggests that optimal public policies during a pandemic will vary by state and there is unlikely to be a "one-size fits all" approach that works best.https://doi.org/10.1371/journal.pone.0245008
spellingShingle Yevgeniy Feyman
Jacob Bor
Julia Raifman
Kevin N Griffith
Effectiveness of COVID-19 shelter-in-place orders varied by state.
PLoS ONE
title Effectiveness of COVID-19 shelter-in-place orders varied by state.
title_full Effectiveness of COVID-19 shelter-in-place orders varied by state.
title_fullStr Effectiveness of COVID-19 shelter-in-place orders varied by state.
title_full_unstemmed Effectiveness of COVID-19 shelter-in-place orders varied by state.
title_short Effectiveness of COVID-19 shelter-in-place orders varied by state.
title_sort effectiveness of covid 19 shelter in place orders varied by state
url https://doi.org/10.1371/journal.pone.0245008
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