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Proportionate mortality among US shoeworkers, 1966-1977
American Journal of Industrial Medicine
|January 1, 1983
Summary
Shoe industry workers showed no increased risk for nasal cancer, but elevated risks for liver, gallbladder, and rectal cancers. Mesothelioma was also observed in one union, suggesting potential industry-specific hazards.
Area of Science:
- Occupational Health
- Epidemiology
- Environmental Health
Background:
- Previous studies suggested elevated cancer risks in the shoe manufacturing industry.
- The specific occupational hazards and their associated cancer risks require further investigation.
Purpose of the Study:
- To examine proportionate mortality for various causes among US shoeworkers.
- To identify cancer risks potentially linked to specific areas or processes within the shoe industry.
Main Methods:
- Analysis of proportionate mortality data for 3,754 decedents from two US labor unions in the shoe manufacturing sector.
- Comparison of observed mortality rates against expected rates based on general population data.
Main Results:
- No nasal cancer deaths were observed, contrary to some expectations.
- Elevated mortality from combined liver and gallbladder cancers was found in one union.
- Increased rectal cancer mortality was observed in both unions.
- Three mesothelioma deaths were noted among members of the same union with elevated liver and gallbladder cancer rates.
Conclusions:
- Findings contradict some previous reports on shoeworker cancer risks.
- Elevated liver, gallbladder, and mesothelioma risks suggest potential previously unrecognized occupational hazards in certain US shoe manufacturing areas.
- Further research is warranted to pinpoint specific exposures responsible for observed cancer excesses.