Association between Extremely Low-Frequency Electromagnetic Fields Occupations and Amyotrophic Lateral Sclerosis: A Meta-Analysis
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DOI: 10.1371/journal.pone.0048354
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Cited by:
- Lars-Gunnar Gunnarsson & Lennart Bodin, 2018. "Amyotrophic Lateral Sclerosis and Occupational Exposures: A Systematic Literature Review and Meta-Analyses," IJERPH, MDPI, vol. 15(11), pages 1-21, October.
- Lars-Gunnar Gunnarsson & Lennart Bodin, 2019. "Occupational Exposures and Neurodegenerative Diseases—A Systematic Literature Review and Meta-Analyses," IJERPH, MDPI, vol. 16(3), pages 1-17, January.
- Joanna Wyszkowska & Colin Pritchard, 2022. "Open Questions on the Electromagnetic Field Contribution to the Risk of Neurodegenerative Diseases," IJERPH, MDPI, vol. 19(23), pages 1-15, December.
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Keywords
“occupational exposure”; “electromagnetic fields” and “amyotrophic lateral sclerosis” or “motor neuron disease”; seventeen studies were identified as eligible for this meta-analysis. the associations between elf-emf exposure and the als risk were estimated based on study design (case-control or cohort study); and elf-emf exposure level assessment (job title or job-exposure matrix). the heterogeneity across the studies was tested; as was publication bias. results: occupational exposure to elf-emf was significantly associated with increased risk of als in pooled studies (rr = 1.29; 95%ci = 1.02–1.62); and case-control studies (or = 1.39; 95%ci = 1.05–1.84); but not cohort studies (rr = 1.16; 95% ci = 0.80–1.69). in sub-analyses; similar significant associations were found when the exposure level was defined by the job title; but not the job-exposure matrix. in addition; significant associations between occupational exposure to elf-emf and increased risk of als were found in studies of subjects who were clinically diagnosed but not those based on the death certificate. moderate heterogeneity was observed in all analyses. conclusions: our data suggest a slight but significant als risk increase among those with job titles related to relatively high levels of elf-emf exposure. since the magnitude of estimated rr was relatively small; we cannot deny the possibility of potential biases at work. electrical shocks or other unidentified variables associated with electrical occupations; rather than magnetic-field exposure; may be responsible for the observed associations with als.;All these keywords.
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