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Evaluation of occupational exposure to magnetic fields and motor neuron disease mortality in a population-based cohort.

Authors
Parlett-LE; Bowman-JD; van Wijngaarden-E
Source
J Occup Environ Med 2011 Dec; 53(12):1447-1451
NIOSHTIC No.
20039970
Abstract
Objective: Epidemiologic evidence for the association between electromagnetic fields and amyotrophic lateral sclerosis, the most common formofmotor neuron disease (MND), has been inconclusive. We evaluated the association between electromagnetic fields and MND among workers in occupations potentially exposed to magnetic fields. Methods: MND mortality (ICD-9 335.2) was examined in the National Longitudinal Mortality Study using multivariable proportional hazards models. Occupational exposure to magnetic fields was determined on the basis of a population-based job-exposure matrix. Age at entry, education, race, sex, and income were considered for inclusion as covariates. Results: After adjusting for age, sex, and education, there were no increased risks of MND mortality in relation to potential magnetic field exposure, with hazard ratios around the null in all magnetic field exposure quartiles. Conclusions: Our study does not provide evidence for an association between magnetic field exposure and MND mortality.
Keywords
Age-factors; Age-groups; Biological-effects; Electrical-fields; Electrical-workers; Electromagnetic-energy; Electromagnetic-fields; Electromagnetic-interference; Electromagnetic-radiation; Electromagnetic-wave-transmission; Epidemiology; Injuries; Magnetic-fields; Medical-services; Mortality-data; Neurological-diseases; Neurological-reactions; Neurological-system; Occupational-exposure; Risk-analysis; Risk-factors; Sex-factors; Statistical-analysis; Work-analysis; Work-environment
Contact
Edwin van Wijngaarden, PhD, Department of Community and Preventive Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642
CODEN
JOEMFM
Publication Date
20111201
Document Type
Journal Article
Email Address
edwin_van_wijngaarden@urmc.rochester.edu
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
B12072011
Issue of Publication
12
ISSN
1076-2752
NIOSH Division
DART
Priority Area
Manufacturing; Services
Source Name
Journal of Occupational and Environmental Medicine
State
NY; OH
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