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Assessing Heat-Related Mortality Risks among Rural Populations: A Systematic Review and Meta-Analysis of

Emmanuel A Odame1, Ying Li2, Shimin Zheng3

  • 1Department of Environmental Health, East Tennessee State University, Johnson City, TN 37614, USA. odamee@etsu.edu.

International Journal of Environmental Research and Public Health
|August 1, 2018
PubMed
Summary
This summary is machine-generated.

Rural populations face significant heat-related mortality risks, comparable to urban areas. This meta-analysis highlights the need for targeted public health interventions to protect vulnerable rural communities from extreme heat events.

Keywords:
heat-relatedmeta-analysismortalityruralsystematic reviewvulnerability

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Area of Science:

  • Environmental Epidemiology
  • Public Health
  • Climate Change Impacts

Background:

  • Epidemiological studies on high temperature effects predominantly focus on urban settings.
  • Heat-related health risks in rural areas are significantly underexplored.
  • A meta-analysis of epidemiologic literature concerning heat-related mortality in rural settings has been lacking.

Purpose of the Study:

  • To systematically review the current literature on heat-related mortality risk among rural populations.
  • To conduct a meta-analysis of studies assessing the association between high temperatures and mortality in rural settings.
  • To compare rural heat-related mortality risks with those observed in urban areas.

Main Methods:

  • Comprehensive literature search of PubMed, Web of Science, and Google Scholar up to April 2018.
  • Inclusion criteria focused on study location (rural), health endpoints (mortality), and study design.
  • Meta-analysis of eleven selected studies using a random effects model.

Main Results:

  • Pooled estimates indicated a relative risk (RR) of 1.030 (95% CI: 1.013, 1.048) for all-cause mortality per 1 °C increase in daily mean temperature.
  • Pooled estimates showed an RR of 1.111 (95% CI: 1.045, 1.181) for cardiovascular mortality per 1 °C increase in daily mean temperature.
  • Excess mortality risks in rural settings were found to be comparable to those in urban settings.

Conclusions:

  • Rural populations are vulnerable to heat-related mortality, similar to urban populations.
  • The findings underscore the need for further evaluation of heat-related mortality in rural areas.
  • Public health interventions tailored for rural communities are essential to mitigate heat risks.