ArticleAnnals of the American Thoracic Society2026
Respiratory injuries among California career firefighters, 2000-2019.
Article in Annals of the American Thoracic Society, 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
rationaleThe association between firefighting exposure and respiratory injuries remains poorly quantified, despite the inhalational hazards of firefighting.
objectivesTo describe respiratory injury rates among California firefighters between 2000 and 2019 demographically, -temporally, and geographically.
methodsUsing data from the California Workers' Compensation Information System from 2000 to 2019, we analyzed California firefighter workers' compensation claims for respiratory injuries from 2000 to 2019. We identified firefighter -respiratory claims using nature of injury codes, injury description keywords, and International Classification of Diseases, Ninth or Tenth Revision codes. We estimated California firefighter employment totals using the American Community Survey.
resultsWe calculated respiratory injury rates, rate ratios, and their associated Confidence Intervals (CI) by age and injury date and location. We identified 3431 respiratory injury claims between 2000 and 2019 (478 respiratory claims/100 000 California career firefighters [90% CI, 432-534]) and the respiratory injury rate remained unchanged. Firefighters aged 50-59 years had a higher risk of respiratory injuries compared to those aged 18-29 years (rate ratio, 1.7 [90% CI, 1.6-1.8]). Firefighters during wildfire season months had significantly more respiratory injuries than during non-wildfire season months. From 2000 to 2019, firefighters' respiratory injury rate in rural and small/medium metro counties increased significantly, while firefighters' respiratory injury rate in large metro counties decreased significantly.
conclusionsOlder firefighters, firefighters during wildfire season, and those in rural and small/medium metro counties may be at higher risk of respiratory injury, based on our large-scale, multiyear surveillance study among career California firefighters.
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