Radiographic abnormalities and exposure to asbestos-contaminated vermiculite in the community of Libby, Montana, USA. or = 18 years of age received chest radiographs to assess the prevalence of pleural and interstitial abnormalities. We observed pleural abnormalities in 17.8% of participants and interstitial abnormalities in < 1% of participants undergoing chest radiography. We examined 29 occupational, recreational, household, and other exposure pathways in the analysis. The prevalence of pleural abnormalities increased with increasing number of exposure pathways, ranging from 6.7% for those who reported no apparent exposures to 34.6% for those who reported > or = 12 pathways. The factors most strongly associated with pleural abnormalities were being a former W.R. Grace worker, being older, having been a household contact of a W.R. Grace worker, and being a male. In addition to being a former W.R. Grace worker, environmental exposures and other nonoccupational risk factors were also important predictors of asbestos-related radiographic abnormalities.'>
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Radiographic abnormalities and exposure to asbestos-contaminated vermiculite in the community of Libby, Montana, USA.
  • Published Date:

    Nov 2003

  • Source:
    Environ Health Perspect. 111(14):1753-1759.
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