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Meta-Analysis on the Health Effects Resulting from Evacuation or Relocation
Grace G Adams1, Laurel MacMillan1, Todd Smith2
1Gryphon Scientific LLC, Takoma Park, Maryland, USA.
Disaster Medicine and Public Health Preparedness
|November 23, 2023
Summary
Disaster evacuation and relocation increase the risk of negative health effects for displaced populations. This quantitative analysis quantifies these health risks, aiding emergency planning.
Area of Science:
- Public Health
- Disaster Management
- Epidemiology
Background:
- Evacuation and relocation are critical disaster response measures, yet their associated health risks are not fully understood.
- Quantifying health risks is essential for emergency managers and the public to balance the benefits and drawbacks of displacement.
- This study addresses the need for quantitative data on health effects following disaster-induced displacement.
Approach:
- A comprehensive literature review and meta-analysis were conducted.
- Researchers quantified the risks of 14 distinct health outcomes, encompassing physical and socio-behavioral effects.
- Data were synthesized from studies across 9 different disaster types.
Key Points:
- Displaced populations experienced statistically significant increases in 9 out of 14 assessed health effects.
- A pooled analysis revealed an odds ratio of 1.49 (95% CI: 1.24-1.79) for negative health outcomes in displaced individuals.
- Findings indicate a significant association between displacement and adverse health consequences.
Conclusions:
- Evacuated and relocated populations face a heightened risk of adverse health effects due to displacement.
- The study's findings are broadly applicable across various emergency scenarios due to the inclusion of diverse disaster types.
- Quantitative risk data can inform better public protection strategies during disasters.
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