ArticleFrontiers in public health2026
Heat and socioeconomic deprivation compound to drive coronary heart disease in Los Angeles.
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Socioeconomic deprivation and environmental heat exposure each increase cardiovascular risk, yet evidence is limited on how these stressors co-occur and jointly shape disease burden within cities. Mapping their overlap can inform equity-oriented planning and needs-based allocation of health and social protection resources. Methods: We conducted an ecological geospatial analysis of 2,513 census tracts in Los Angeles County. Adult coronary heart disease (CHD) prevalence was obtained from CDC Population Level Analysis and Community Estimates (2021). Socioeconomic deprivation was measured using the Social Deprivation Index (SDI), and heatwave surface heat hazard was measured using land surface temperature (LST) retrieved from the ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station. We identified hot spots and overlaps using Getis-Ord Gi Results: CHD hot spots overlapped with high-deprivation and high-heat areas, concentrated in the south and east of Los Angeles County. In standardized OLS models (z-scored outcome and predictors), a 1-SD increase in SDI was associated with a 0.163-SD higher CHD prevalence ( Conclusion: To address this, socioeconomic deprivation and urban heat indicators should be used to inform transparent resource allocation for chronic disease prevention and management. Neighborhoods with high deprivation and heat exposure should be prioritized for cooling infrastructure, home heat mitigation, and urban greening initiatives. Finally, public health, housing, and social services must work together to effectively address the structural drivers of cardiovascular disease disparities.
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