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Potential determinants of coal workers' pneumoconiosis, advanced pneumoconiosis, and progressive massive fibrosis among underground coal miners in the United States, 2005-2009.

Authors
Laney-AS; Petsonk-EL; Hale-JM; Wolfe-AL; Attfield-MD
Source
Am J Publ Health 2012 May; 102(S2):S279-S283
NIOSHTIC No.
20040520
Abstract
Objectives. We better defined the distribution and determinants of coal workers' pneumoconiosis (CWP) among US underground coal miners. Methods. We obtained chest radiographs from the mobile unit of an enhanced surveillance program begun in 2005 by the National Institute for Occupational Safety and Health for underground coal miners. B Readers classified them for presence of pneumoconiosis. Results. Miners from 15 states participated (n = 6658). The prevalence of CWP was higher in 3 states (Kentucky, 9.0%; Virginia, 8.0%; West Virginia, 4.8%) than in 12 other states (age-adjusted risk ratio [RR] = 4.5; 95% confidence interval [CI] = 3.3, 6.1). Miners in these 3 states were younger and had less mining tenure, but advanced CWP (category >2/1; RR = 8.1; 95% CI = 3.9, 16.9) and progressive massive fibrosis (RR = 10.5; 95% CI = 3.8, 29.1) was more prevalent among them. Advanced CWP and progressive massive fibrosis were more prevalent among workers at mines with fewer than 155 miners, irrespective of mining region, than among workers at larger mines. Conclusions. Enhanced surveillance results confirmed the persistence of severe CWP among US coal miners and documented the health consequences of inadequate dust control for miners in parts of Appalachia and at smaller mines.
Keywords
Pneumoconiosis; Coal-workers; Coal-mining; Coal-miners; Coal-dust; Coal-workers-pneumoconiosis; Pulmonary-disorders; Pulmonary-congestion; Pulmonary-system; Pulmonary-system-disorders; Pulmonary-function; Respiratory-system-disorders; Respiratory-irritants; Surveillance
Contact
A. Scott Laney, 1095 Willowdale Road, Mail Stop HG900.2, Morgantown, WV 26505-2888
CODEN
AJHEAA
Publication Date
20120501
Document Type
Journal Article
Email Address
alaney@cdc.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
B03282012
ISSN
0090-0036
NIOSH Division
DRDS
Priority Area
Mining
Source Name
American Journal of Public Health
State
KY; VA; WV
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