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Mortality among U.S. underground coal miners: a 23-year follow-up.
Am J Ind Med 2008; 51(4):231-45AJ

Abstract

BACKGROUND

The mortality experience over 22-24 years of 8,899 working coal miners initially medically examined in 1969-1971 at 31 U.S. coal mines was evaluated.

METHODS

A cohort life-table analysis was undertaken on underlying causes of death, and proportional hazards models were fitted to both underlying, and underlying and contributing causes of death.

RESULTS

Elevated mortality from nonviolent causes, nonmalignant respiratory disease (NMRD), and accidents was observed, but lung cancer and stomach cancer mortality were not elevated. Smoking, pneumoconiosis, coal rank region, and cumulative coal mine dust exposure were all predictors of mortality from nonviolent causes and NMRD. Mortality from nonviolent causes and NMRD was related to dust exposure within the complete cohort and also for the never smoker subgroup. Dust exposure relative risks for mortality were similar for pneumoconiosis, NMRD, and chronic airways obstruction.

CONCLUSIONS

The findings confirm and enlarge upon previous results showing that exposure to coal mine dust leads to increased mortality, even in the absence of smoking.

Authors+Show Affiliations

Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health (NIOSH), Morgantown, West Virginia 26505, USA. mdal@cdc.govNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

18247381

Citation

Attfield, M D., and E D. Kuempel. "Mortality Among U.S. Underground Coal Miners: a 23-year Follow-up." American Journal of Industrial Medicine, vol. 51, no. 4, 2008, pp. 231-45.
Attfield MD, Kuempel ED. Mortality among U.S. underground coal miners: a 23-year follow-up. Am J Ind Med. 2008;51(4):231-45.
Attfield, M. D., & Kuempel, E. D. (2008). Mortality among U.S. underground coal miners: a 23-year follow-up. American Journal of Industrial Medicine, 51(4), pp. 231-45. doi:10.1002/ajim.20560.
Attfield MD, Kuempel ED. Mortality Among U.S. Underground Coal Miners: a 23-year Follow-up. Am J Ind Med. 2008;51(4):231-45. PubMed PMID: 18247381.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Mortality among U.S. underground coal miners: a 23-year follow-up. AU - Attfield,M D, AU - Kuempel,E D, PY - 2008/2/6/pubmed PY - 2008/6/21/medline PY - 2008/2/6/entrez SP - 231 EP - 45 JF - American journal of industrial medicine JO - Am. J. Ind. Med. VL - 51 IS - 4 N2 - BACKGROUND: The mortality experience over 22-24 years of 8,899 working coal miners initially medically examined in 1969-1971 at 31 U.S. coal mines was evaluated. METHODS: A cohort life-table analysis was undertaken on underlying causes of death, and proportional hazards models were fitted to both underlying, and underlying and contributing causes of death. RESULTS: Elevated mortality from nonviolent causes, nonmalignant respiratory disease (NMRD), and accidents was observed, but lung cancer and stomach cancer mortality were not elevated. Smoking, pneumoconiosis, coal rank region, and cumulative coal mine dust exposure were all predictors of mortality from nonviolent causes and NMRD. Mortality from nonviolent causes and NMRD was related to dust exposure within the complete cohort and also for the never smoker subgroup. Dust exposure relative risks for mortality were similar for pneumoconiosis, NMRD, and chronic airways obstruction. CONCLUSIONS: The findings confirm and enlarge upon previous results showing that exposure to coal mine dust leads to increased mortality, even in the absence of smoking. SN - 0271-3586 UR - https://www.unboundmedicine.com/medline/citation/18247381/Mortality_among_U_S__underground_coal_miners:_a_23_year_follow_up_ L2 - https://doi.org/10.1002/ajim.20560 DB - PRIME DP - Unbound Medicine ER -