Cause-specific mortality in Finnish ferrochromium and stainless steel production workers.
Occup Med (Lond). 2016 Apr;66(3):241-6
Publication Type
M. Huvinen
E. Pukkala
Occup Med (Lond). 2016 Apr;66(3):241-6
Publication Type
Cause of Death
Chromium Alloys - adverse effects
Finland - epidemiology
Follow-Up Studies
Lung Neoplasms - etiology - mortality
Occupational Diseases - etiology - mortality
Occupational Exposure - prevention & control - statistics & numerical data
Respiration Disorders - chemically induced - mortality
Risk factors
Stainless Steel - adverse effects
Wounds and Injuries - etiology - mortality
Although stainless steel has been produced for more than a hundred years, exposure-related mortality data for production workers are limited.
To describe cause-specific mortality in Finnish ferrochromium and stainless steel workers.
We studied Finnish stainless steel production chain workers employed between 1967 and 2004, from chromite mining to cold rolling of stainless steel, divided into sub-cohorts by production units with specific exposure patterns. We obtained causes of death for the years 1971-2012 from Statistics Finland. We calculated standardized mortality ratios (SMRs) as ratios of observed and expected numbers of deaths based on population mortality rates of the same region.
Among 8088 workers studied, overall mortality was significantly decreased (SMR 0.77; 95% confidence interval [CI] 0.70-0.84), largely due to low mortality from diseases of the circulatory system (SMR 0.71; 95% CI 0.61-0.81). In chromite mine, stainless steel melting shop and metallurgical laboratory workers, the SMR for circulatory disease was below 0.4 (SMR 0.33; 95% CI 0.07-0.95, SMR 0.22; 95% CI 0.05-0.65 and SMR 0.16; 95% CI 0.00-0.90, respectively). Mortality from accidents (SMR 0.84; 95% CI 0.67-1.04) and suicides (SMR 0.72; 95% CI 0.56-0.91) was also lower than in the reference population.
Working in the Finnish ferrochromium and stainless steel industry appears not to be associated with increased mortality.
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Comment In: Arch Environ Occup Health. 2016 Jul 3;71(4):187-827230506
PubMed ID
26655692 View in PubMed
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