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Explaining the spatial variation in American life expectancy.

Elizabeth A Dobis1, Heather M Stephens2, Mark Skidmore3

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Summary
This summary is machine-generated.

US life expectancy has declined recently, with growing spatial variation. Community characteristics significantly impact county-level life expectancy, suggesting policy interventions may improve health outcomes in certain regions.

Keywords:
CommunityLife expectancySpatial analysisSpatial variationUnited States

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Area of Science:

  • Public Health
  • Sociology
  • Demography

Background:

  • US life expectancy increased until recently but is now declining.
  • Significant spatial variation in life expectancy exists and is growing.
  • Previous research focused on morbidity and personal characteristics, neglecting community factors.

Purpose of the Study:

  • To investigate the influence of community and demographic factors on county-level life expectancy.
  • To analyze spatial heterogeneity in life expectancy trends.
  • To examine these influences separately for men and women.

Main Methods:

  • Utilized a spatial Durbin error model for analysis.
  • Controlled for life expectancy in 1980 and migration patterns.
  • Focused on county-level data for the year 2014.

Main Results:

  • Community characteristics were found to be significant determinants of life expectancy.
  • Spatial variation in life expectancy is influenced by community-level factors.
  • Identified regional differences in factors affecting life expectancy.

Conclusions:

  • Community characteristics play a crucial role in shaping life expectancy outcomes.
  • Policy interventions targeting specific regional factors could mitigate disparities.
  • Addressing community-level factors is essential for improving public health and reducing spatial inequalities in longevity.