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January 23, 2026LifeOpen Access

Spatial Cluster of Air Pollutants and Its Association with Life Expectancy, Age-Specific Mortality Risk, and Cause-Specific Mortality Rate: A County-Level Ecological Study Across the USA

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Authors

JWJ. C. WangQXQiaochu XuRRRong Rong

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Overview

Ecological study evaluates air pollutant clusters affecting life expectancy and mortality in the USA, indicating significant health disparities.

Key Points

  • The study aims to identify clusters of air pollutants and their effects on life expectancy and mortality risks across the USA.
  • Ecological study using county-level data over 20 years
  • Latent class analysis to identify clusters of air pollutants
  • Multivariate linear regression to assess health outcomes
  • Analysis involved 699 counties
  • Identified five pollutant clusters with varying health impacts
  • Severe pollutant cluster linked to lower life expectancy
  • Increased mortality risk among individuals aged 45 and older
  • High mortality rate associated with chronic respiratory conditions, cardiovascular diseases, and neoplasms

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69731005c8125b09b0d1fc23https://doi.org/10.3390/life16010177
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Also Consider

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  5. 5Heat and air pollution shape divergent mortality patterns across rural and urban United States2026