Firefighting and Cancer: A Meta-analysis of Cohort Studies in the Context of Cancer Hazard Identification

We performed a meta-analysis of epidemiological results for the association between occupational exposure as a firefighter and cancer as part of the broader evidence synthesis work of the IARCMonographs program. A systematic literature search was conducted to identify cohort studies of firefighters...

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Vydané v:Safety and health at work Ročník 14; číslo 2; s. 141 - 152
Hlavní autori: DeBono, Nathan L., Daniels, Robert D., Beane Freeman, Laura E., Graber, Judith M., Hansen, Johnni, Teras, Lauren R., Driscoll, Tim, Kjaerheim, Kristina, Demers, Paul A., Glass, Deborah C., Kriebel, David, Kirkham, Tracy L., Wedekind, Roland, Filho, Adalberto M., Stayner, Leslie, Schubauer-Berigan, Mary K.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Korea (South) Elsevier B.V 01.06.2023
Occupational Safety and Health Research Institute
Elsevier
한국산업안전보건공단 산업안전보건연구원
Predmet:
Cancer
Firefighter
Hazard
Review
예방의학
Firefighter
Hazard
Cancer
ISSN:2093-7911, 2093-7997
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Popis
Shrnutí:We performed a meta-analysis of epidemiological results for the association between occupational exposure as a firefighter and cancer as part of the broader evidence synthesis work of the IARCMonographs program. A systematic literature search was conducted to identify cohort studies of firefighters followed for cancer incidence and mortality. Studies were evaluated for the influence of key biases on results. Random-effects meta-analysis models were used to estimate the association between ever-employment and duration of employment as a firefighter and risk of 12 selected cancers. The impact of bias was explored in sensitivity analyses. Among the 16 included cancer incidence studies, the estimated meta-rate ratio, 95% confidence interval (CI), and heterogeneity statistic (I2) for ever-employment as a career firefighter compared mostly to general populations were 1.58 (1.14–2.20, 8%) for mesothelioma, 1.16 (1.08–1.26, 0%) for bladder cancer, 1.21 (1.12–1.32, 81%) for prostate cancer, 1.37 (1.03–1.82, 56%) for testicular cancer, 1.19 (1.07–1.32, 37%) for colon cancer, 1.36 (1.15–1.62, 83%) for melanoma, 1.12 (1.01–1.25, 0%) for non-Hodgkin lymphoma, 1.28 (1.02–1.61, 40%) for thyroid cancer, and 1.09 (0.92–1.29, 55%) for kidney cancer. Ever-employment as a firefighter was not positively associated with lung, nervous system, or stomach cancer. Results for mesothelioma and bladder cancer exhibited low heterogeneity and were largely robust across sensitivity analyses. There is epidemiological evidence to support a causal relationship between occupational exposure as a firefighter and certain cancers. Challenges persist in the body of evidence related to the quality of exposure assessment, confounding, and medical surveillance bias.
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https://www.sciencedirect.com/science/article/pii/S2093791123000082
ISSN:2093-7911
2093-7997
DOI:10.1016/j.shaw.2023.02.003