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Meta-Analysis on the Health Effects Resulting from Evacuation or Relocation

Published online by Cambridge University Press:  23 November 2023

Grace G. Adams Open the ORCID record for Grace G. Adams [Opens in a new window] ,
Laurel MacMillan ,
Todd Smith ,
Amy Sharp  and
Rocco Casagrande
Grace G. Adams*
Affiliation:
Gryphon Scientific LLC, Takoma Park, Maryland, USA
Laurel MacMillan
Affiliation:
Gryphon Scientific LLC, Takoma Park, Maryland, USA
Todd Smith
Affiliation:
US Nuclear Regulatory Commission, Washington, DC, USA
Amy Sharp
Affiliation:
US Nuclear Regulatory Commission, Washington, DC, USA
Rocco Casagrande
Affiliation:
Gryphon Scientific LLC, Takoma Park, Maryland, USA
*
Corresponding author: Grace G. Adams; Email: gadams@gryphonscientific.com.
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Abstract

Objective:

Evacuation and relocation are key actions used to protect the public in response to natural or technological disasters, but there are inherent risks to both. Unfortunately, these risks have not been fully quantified, which limits the ability of emergency managers and the public to effectively balance the risks and benefits of evacuation or relocation. This work provides quantitative data on the risks of health effects from displacement following evacuation or relocation.

Methods:

Researchers performed a literature review and meta-analysis of published studies and quantified risks of 14 different health effects, including both physical and socio-behavioral outcomes, from studies of 9 different disaster types.

Results:

The findings show statistically significant increases in 9 of the 14 health effects in displaced populations, indicating an increased likelihood of experiencing detrimental health effects compared with nondisplaced populations. A pooled analysis of all negative health effects found an odds ratio of 1.49 (95% confidence interval: 1.24-1.79), which shows a significant relationship between displacement and negative health outcomes.

Conclusions:

These findings demonstrate that evacuated or relocated populations have an increased risk of experiencing negative health effects associated with displacement. The broad number of disaster types included mean that findings are applicable to any emergency evacuation or relocation.

Keywords

emergency managementevacuationrelocationhealth effects
Type
Original Research
Information
Disaster Medicine and Public Health Preparedness , Volume 17 , 2023 , e538
Copyright
© NRC/US Government and the Author(s), 2023. To the extent this is a work of the US Government, it is not subject to copyright protection within the United States. Published by Cambridge University Press on behalf of the Society for Disaster Medicine and Public Health

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