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Träfflista för sökning "L773:0003 4878 ;pers:(Järvholm Bengt)"

Sökning: L773:0003 4878 > Järvholm Bengt

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1.
  • Hedlund, Ulf, et al. (författare)
  • Exposure-response of silicosis mortality in Swedish iron ore miners.
  • 2008
  • Ingår i: Annals of Occupational Hygiene. - : Oxford University Press (OUP). - 0003-4878 .- 1475-3162. ; 52:1, s. 3-7
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To assess the exposure-response relationship between exposure to quartz and fatal silicosis. METHODS: The mortality from silicosis in 7729 miners was analyzed and compared to their estimated exposure to respirable quartz. The miners had been working as a miner for at least 1 year between 1923 and 1996. Their mortality between 1952 and 2001 was studied by using information from the national cause of death register. Both underlying and contributing causes of death were considered in the analysis. The exposure to quartz was estimated from job titles and using 3239 measurements of personal exposure to respirable quartz from 1965 to 1999. The mortality rates were adjusted to attained age and years of birth using a Poisson regression. RESULTS: The median cumulative exposure among the 7729 miners was 0.9 mg x years m(-3). There were 58 deaths from silicosis. Their median cumulative exposure was 4.8 mg x years m(-3). The crude mortality rate was 53 cases per 100,000 person-years with an exposure-response relationship. CONCLUSION: There seems to be an increased risk of fatal silicosis at exposure levels around 3 mg x years m(-3) for respirable quartz.
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2.
  • Lillienberg, Linnea, 1942, et al. (författare)
  • Respiratory Symptoms and Exposure-Response Relations in Workers exposed to Metalworking Fluid Aerosols
  • 2010
  • Ingår i: Annals of Occupational Hygiene. - : Oxford University Press (OUP). - 0003-4878 .- 1475-3162. ; 54:4, s. 403-411
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of the study was to identify specific health risks and exposure-response relationships associated with exposure to metalworking fluid (MWF) aerosols. In a cross-sectional study of machine workers exposed to MWF aerosols in five companies in Sweden, a self-administered questionnaire about health symptoms, work tasks, and exposure situations was sent out to 2294 employees, 1632 exposed and 662 referents. Referents were office workers and metal workers not working with MWFs. In four of the companies, there were recent measurements of personal exposure to MWF aerosols. Log-binomial regression models were used to estimate prevalence ratios with 95% confidence intervals for different health outcomes in relation to different variables of exposure. The response rate after two reminders was 67% resulting in 1048 (923 male, 125 female) workers exposed to MWF aerosols and 451 (374 male, 77 female) referents. The study indicates that metal workers in Sweden currently exposed to a mean value of MWF aerosols of 0.4 mg m(-3) have a significantly higher prevalence of wheeze, chronic bronchitis, chronic rhinitis, and eye irritation compared to the referents. At a mean exposure of 0.4 mg m(-3), a level below the Swedish 8-h exposure limit value of 1 mg m(-3), machine operators showed increased prevalence of symptoms in eyes and airways. Thus, the current exposure limit value does not seem to protect the workers from such symptoms.
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