Does socioeconomic and environmental burden affect vulnerability to extreme air pollution and heat? A case-crossover study of mortality in California.

Air pollution Climate change Environmental justice Epidemiology Particulate matter Vulnerable populations

Journal

Journal of exposure science & environmental epidemiology
ISSN: 1559-064X
Titre abrégé: J Expo Sci Environ Epidemiol
Pays: United States
ID NLM: 101262796

Informations de publication

Date de publication:
07 May 2024
Historique:
received: 11 07 2023
accepted: 12 04 2024
revised: 10 04 2024
medline: 8 5 2024
pubmed: 8 5 2024
entrez: 7 5 2024
Statut: aheadofprint

Résumé

Extreme heat and air pollution is associated with increased mortality. Recent evidence suggests the combined effects of both is greater than the effects of each individual exposure. Low neighborhood socioeconomic status ("socioeconomic burden") has also been associated with increased exposure and vulnerability to both heat and air pollution. We investigated if neighborhood socioeconomic burden or the combination of socioeconomic and environmental exposures ("socioenvironmental burden") modified the effect of combined exposure to extreme heat and particulate air pollution on mortality in California. We used a time-stratified case-crossover design to assess the impact of daily exposure to extreme particulate matter <2.5 μm (PM During the study period 1,514,292 all-cause deaths could be assigned residential exposures. Extreme heat and air pollution alone and combined were associated with increased mortality, matching prior reports. Decedents in census tracts with higher socioenvironmental and socioeconomic burden experienced more days with extreme PM We did not find evidence that neighborhood socioenvironmental- or socioeconomic burden significantly influenced the individual or combined impact of extreme exposures to heat and PM We investigated the effect measure modification by socioeconomic and socioenvironmental of the co-occurrence of heat and PM

Sections du résumé

BACKGROUND BACKGROUND
Extreme heat and air pollution is associated with increased mortality. Recent evidence suggests the combined effects of both is greater than the effects of each individual exposure. Low neighborhood socioeconomic status ("socioeconomic burden") has also been associated with increased exposure and vulnerability to both heat and air pollution. We investigated if neighborhood socioeconomic burden or the combination of socioeconomic and environmental exposures ("socioenvironmental burden") modified the effect of combined exposure to extreme heat and particulate air pollution on mortality in California.
METHODS METHODS
We used a time-stratified case-crossover design to assess the impact of daily exposure to extreme particulate matter <2.5 μm (PM
RESULTS RESULTS
During the study period 1,514,292 all-cause deaths could be assigned residential exposures. Extreme heat and air pollution alone and combined were associated with increased mortality, matching prior reports. Decedents in census tracts with higher socioenvironmental and socioeconomic burden experienced more days with extreme PM
CONCLUSION CONCLUSIONS
We did not find evidence that neighborhood socioenvironmental- or socioeconomic burden significantly influenced the individual or combined impact of extreme exposures to heat and PM
IMPACT CONCLUSIONS
We investigated the effect measure modification by socioeconomic and socioenvironmental of the co-occurrence of heat and PM

Identifiants

DOI: 10.1038/s41370-024-00676-9 PMID: 38714894
pubmed: 38714894
doi: 10.1038/s41370-024-00676-9
pii: 10.1038/s41370-024-00676-9
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Informations de copyright

© 2024. The Author(s).

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Auteurs

Mehjar Azzouz (M)

Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden. mehjar.azzouz@gu.se.
Department of Occupational and Environmental Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden. mehjar.azzouz@gu.se.
ORCID: 0000-0002-1988-2010

Zainab Hasan (Z)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Md Mostafijur Rahman (MM)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
Department of Environmental Health Sciences, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, USA.

W James Gauderman (WJ)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Melissa Lorenzo (M)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Frederick W Lurmann (FW)

Sonoma Technology, Inc., Petaluma, CA, USA.

Sandrah P Eckel (SP)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Lawrence Palinkas (L)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
Herbert Wertheim School of Public Health and Human Longevity Science, University of California San Diego, La Jolla, CA, USA.

Jill Johnston (J)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Michael Hurlburt (M)

Suzanne Dworak Peck School of Social Work, University of Southern California, Los Angeles, CA, USA.

Sam J Silva (SJ)

Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA, USA.
Department of Earth Sciences, University of Southern California, Los Angeles, CA, USA.

Hannah Schlaerth (H)

Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA, USA.

Joseph Ko (J)

Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA, USA.
Columbia Climate School, Columbia University, New York, NY, USA.

George Ban-Weiss (G)

Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA, USA.

Rob McConnell (R)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Leo Stockfelt (L)

Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Department of Occupational and Environmental Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden.

Erika Garcia (E)

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Classifications MeSH