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Lung-function impairment among US underground coal miners, 2005 to 2009: geographic patterns and association with coal workers' pneumoconiosis.

Authors
Wang-ML; Beeckman-Wagner-L-A; Wolfe-AL; Syamlal-G; Petsonk-EL
Source
J Occup Environ Med 2013 Jul; 55(7):846-850
NIOSHTIC No.
20042945
Abstract
Objective: To investigate contemporary geographic distributions of lung function impairment and radiographic evidence of coal workers' pneumoconiosis (CWP) and their associations. Methods: From 2005 to 2009, 6373 underground coal miners completed a health survey, including spirometry testing and chest radiography. Coal workers' pneumoconiosis and progressive massive fibrosis were determined by NIOSH B readers, using the International Labour Office classification. Prevalences of CWP and spirometry less than lower normal limits were mapped by county, and their association assessed. Results: The prevalences of abnormal spirometry results and CWP were 13.1% and 4.0%, respectively. Counties with elevated prevalences for both the outcomes were located in contiguous areas of southeastern Kentucky, western Virginia, southern West Virginia, and eastern Pennsylvania. Prevalence of abnormal spirometry results increases with increasing category of simple CWP and progressive massive fibrosis. Conclusions: Abnormal spirometry in coal miners is associated with CWP; these two health outcomes have similar geographic distributions.
Keywords
Lung-function; Coal-workers-pneumoconiosis; Coal-miners; Underground-mining; Underground-miners; Health-surveys; Spirometry; Radiography; Fibrosis; Health-protection; Exposure-levels; Risk-factors; Lung-function; Surveillance-programs
Contact
Mei Lin Wang, MD, MPH, Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Mail Stop H-G900.2, 1095 Willowdale Rd, Morgantown, WV 26505
CODEN
JOEMFM
Publication Date
20130701
Document Type
Journal Article
Email Address
mlw4@cdc.gov
Fiscal Year
2013
NTIS Accession No.
NTIS Price
Identifying No.
B20130805
Issue of Publication
7
ISSN
1076-2752
NIOSH Division
DRDS
Priority Area
Mining
Source Name
Journal of Occupational and Environmental Medicine
State
WV
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