Mortality Patterns among US Veterinarians, 1947–1977: An Expanded Study

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Abstract
Blair A (Environmental Epidemiology Branch, National Cancer Institute, Landow Building, Room 3CO7, Bethesda, MD, 20205 USA and Hayes H M. Mortality patterns among US veterinarians 1947–1977: an expanded study. International Journal of Epidemiology 1982, 11: 391–397. Causes of death among 5016 white male veterinarians identified from obituary listings in the Journal of the American Veterinary Medical Association were compared to a distribution based on the general US population. Proportions of deaths were significantly elevated for cancers of the lymphatic and haematopoietic system, colon, brain, and skin. Fewer deaths were observed than expected for cancers of the stomach and lung. Although socio-economic and methodological factors may be involved, the patterns suggest that sunlight exposure is responsible for the excess of skin cancer among veterinarians whose practices are not exclusively limited to small animals, and ionizing radiation exposure contributes to the excess of leukaemia among veterinarians practising during years when diagnostic radiology became widely used. Mortality was also high for motor vehicle accidents and suicides, but low for diseases of the respiratory system.