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Evaluating Race in Air Pollution and Health Research: Race, PM2.5 Air Pollution Exposure, and Mortality as a Case Study

  • AIR POLLUTION AND HEALTH (S ADAR AND B HOFFMANN, SECTION EDITORS)
  • Published:
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Abstract

Purpose of Review

Racial inequities in air pollution exposure have been documented. There is also interest in documenting the modifying role of race in the link between air pollution and health. However, the empirical literature in this area has yielded mixed results with potentially unclear policy implications. We critically evaluate recent empirical papers on the interactive association between race and air pollution exposure on adult mortality in the USA as a case study of the race, pollution, and health literature. Specifically, we evaluate these studies for the conceptualization and discussion of race and the use of race variables that may contribute to the ambiguous results and policy implications both in this specific literature and in the broader literature.

Recent Findings

We evaluate ten empirical studies from 2016 to 2022 on the modifying role of race in the association between short- and long-term PM2.5 exposure and specific types of adult mortality (all cause, non-accidental, and heart or cardiovascular diseases) in the USA. In addition to comparing and contrasting the empirical results, we focus our review on the conceptualization, measurement, modeling, and discussion of race and the race variables. Overall, the results indicate no consistent role of race in the association between PM2.5 exposure and mortality. Moreover, conceptualization and discussion of race was often brief and incomplete, even when the empirical results were unexpected or counterintuitive.

Summary

To build on recent discussions in the epidemiology and environmental epidemiology literature more specifically, we provide a detailed discussion of the meaning of race, the race variables, and the cultural and structural racism that some argue are proxied by race variables. We use theoretical scholarship from the humanities and social sciences along with empirical work from the environmental literature to provide recommendations for future research that can provide an evidence base to inform both social and environmental policy.

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Funding

MTH is supported by the National Institute on Minority Health and Health Disparities (R01MD013299) and the National Institute on Aging (R01AG074887). DPS is supported by the National Institute of Environmental Health Sciences (K01ES028266).

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Correspondence to Margaret T. Hicken.

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Hicken, M.T., Payne-Sturges, D. & McCoy, E. Evaluating Race in Air Pollution and Health Research: Race, PM2.5 Air Pollution Exposure, and Mortality as a Case Study. Curr Envir Health Rpt 10, 1–11 (2023). https://doi.org/10.1007/s40572-023-00390-y

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