Exposure-response relationships for coal mine dust and obstructive lung disease following enactment of the federal coal mine health and safety act of 1969

Details

• Personal Author:
  Attfield MD ; Moulton LH ; Robins TG ; Seixas, Noah S.
• Description:
  The exposure/response relationship between cumulative respirable coal mine dust exposure and indicators of obstructive lung disease was investigated in a group of miners who have been exposed only to the historically low concentration of dust present in the United States mines since the Coal Mine Health and Safety Act of 1969 took effect. The study cohort included 1185 miners participating in Round 4 of the National Study of Coal Workers' Pneumoconiosis. Using respirable dust measurements taken by the Mine Safety and Health Administration over the entire study period, quantitative estimates were made of cumulative exposure and were then used in linear and logistic regression models designed on indicators of pulmonary function and chest symptoms while controlling for smoking status, pack years, and other potential confounders. Statistically significant associations were found between log cumulative exposure and decrements in forced vital capacity (FVC), 1 second forced expiratory volume (FEV1), and FEV1/FVC. Statistically significant associations in the logistic models of cumulative exposure were found with increasing prevalence of FEV1 and FEV1/FVC less than 80% predicted and symptoms including chronic phlegm, chronic bronchitis, breathlessness, wheeze, and wheeze with shortness of breath were found. The authors conclude that exposures to respirable coal mine dust present in United States mines since 1970 continues to affect respiratory health in underground miners. [Description provided by NIOSH]
• Subjects:
  Coal Coal Mining Dust Lung Diseases Mining Occupational Exposure Occupational Health Respiratory Function Tests Respiratory Tract Diseases Safety
• Keywords:
  Author Keywords: Coal Mining Black Lung Chronic Bronchitis Chronic Obstructive Lung Disease Coal-dust Coal-miners Coal Dust Dust-exposure Exposure-response Studies Lung-disease Mineral-dusts Mining-industry NIOSH-Author NIOSH-Grant NIOSH-Publication Occupational-exposure Pulmonary-function-tests Pulmonary-system-disorders Pulmonary Function Respirable Dust Respiratory-system-disorders

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• ISSN:
  0271-3586
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  Michigan ; OSHA Region 5
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Volume:
  21
• Issue:
  5
• NIOSHTIC Number:
  nn:00207351
• Citation:
  Am J Ind Med 1992 May; 21(5):715-734
• Contact Point Address:
  Environmental & Indust Health University of Michigan Dept of Envir/indust Health AN Arbor, MI 48109-2029
• Federal Fiscal Year:
  1992
• NORA Priority Area:
  Pulmonary System Disorders
• Performing Organization:
  University of Michigan at Ann Arbor, Ann Arbor, Michigan
• Peer Reviewed:
  True
• Start Date:
  19880930
• Source Full Name:
  American Journal of Industrial Medicine
• End Date:
  19900929
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:be07dc490659f0d30f529dcb3e9e92abba5ec53c2ea43da945c67d9f21d125da0966837fefa4db1311765f055a74cb73da00e0f3e8ff07463ff6cbc5ee43f2b9
• Download URL:
  https://stacks.cdc.gov/view/cdc/204749/cdc_204749_DS1.pdf
• File Type:
  [PDF - 1.10 MB ]