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Original Article
Mortality and cancer incidence among male volunteer Australian firefighters
  1. Deborah C Glass1,
  2. Anthony Del Monaco1,
  3. Sabine Pircher1,
  4. Stephen Vander Hoorn2,
  5. Malcolm R Sim1
  1. 1 Department of Epidemiology & Preventive Medicine, Monash University, Victoria, Australia
  2. 2 Statistical Consulting Centre, The University of Melbourne, Victoria, Australia
  1. Correspondence to Dr Deborah C Glass, Monash Centre for Occupational and Environmental Health (MonCOEH), School of Public Health & Preventive Medicine, Department of Epidemiology & Preventive Medicine, The Alfred Centre, 6th Floor, 99 Commercial Road, Melbourne, VIC 3004, Australia; deborah.glass{at}monash.edu

Abstract

Objectives This study aims to investigate mortality and cancer incidence of Australian male volunteer firefighters and of subgroups of firefighters by duration of service, era of first service and the number and type of incidents attended.

Methods Participating fire agencies supplied records of individual volunteer firefighters, including incidents attended. The cohort was linked to the Australian National Death Index and Australian Cancer Database. standardised mortality ratios (SMRs) and standardised incidence ratios (SIRs) for cancer were calculated. Firefighters were grouped into tertiles by duration of service and by number of incidents attended and relative mortality ratios and relative incidence ratios calculated.

Results Compared with the general population, there were significant decreases in overall cancer incidence and in most major cancer categories. Prostate cancer incidence was increased compared with the general population, but this was not related to the number of incidents attended. Kidney cancer was associated with increased attendance at fires, particularly structural fires.

The overall risk of mortality was significantly decreased, and all major causes of death were significantly reduced for volunteer firefighters. There was evidence of an increased mortality from ischaemic heart disease, with increased attendance at fires.

Conclusion Volunteer firefighters have a reduced risk of mortality and cancer incidence compared with the general population, which is likely to be a result of a ‘healthy-volunteer’ effect and, perhaps, lower smoking rates.

  • Volunteer firefighter
  • cohort
  • cancer incidence
  • mortality
  • wildfire

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Footnotes

  • Contributors All authors contributed to the design and execution of the study and to the paper.

  • Competing interests None declared.

  • Ethics approval Monash University Human Research Committee.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Collaborators Australian Institute of Health and Welfare.

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