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Summary

Living farther from prepared food sites and trails is linked to lower body mass index (BMI), while greater distance to green space is associated with a lower BMI in eastern Idaho.

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Area of Science:

  • Environmental Health
  • Geospatial Analysis
  • Public Health

Background:

  • The built environment significantly influences public health outcomes, including obesity.
  • Understanding local environmental factors is crucial for targeted health interventions.

Purpose of the Study:

  • To investigate the association between the built environment and body mass index (BMI) in eastern Idaho.
  • To identify specific built environment features related to BMI variations.

Main Methods:

  • Geospatial analyses were performed using ArcGIS Community Analyst.
  • Demographic data of adult individuals were integrated with geospatial information.
  • Median BMI was compared against various built environment variables.

Main Results:

  • Increased distance to prepared food sites correlated with a 1.3% decrease in BMI per kilometer.
  • Increased distance to green space correlated with a 0.8% decrease in BMI per kilometer (p < .001).
  • Increased distance to trails correlated with a 1.5% increase in BMI per kilometer.

Conclusions:

  • Proximity to prepared food and trail access showed expected associations with BMI.
  • Unexpectedly, greater distance to green space was linked to lower BMI.
  • Built environment factors, particularly access to food, trails, and green space, are associated with BMI in this population.