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EMF Study
(Database last updated on Jan 15, 2022)

ID Number 2486
Study Type Epidemiology
Model Investigation of hematolymphopoietic cancers and ALS (amyotrophic lateral sclerosis) mortality and exposure to ELF-MF and electrical shocks in Swiss National Cohort.

AUTHORS' ABSTRACT: Huss et al. 2014 (IEEE #5998): Amyotrophic lateral sclerosis (ALS) has been associated with exposures in so-called 'electrical occupations'. It is unclear if this possible link may be explained by exposure to extremely low-frequency magnetic fields (ELF-MF) or by electrical shocks. We evaluated ALS mortality in 2000-2008 and exposure to ELF-MF and electrical shocks in the Swiss National Cohort, using job exposure matrices for occupations at censuses 1990 and 2000. We compared 2.2 million workers with high or medium vs. low exposure to ELF-MF and electrical shocks using Cox proportional hazard models. Results showed that mortality from ALS was higher in people who had medium or high ELF-MF exposure in both censuses (HR 1.55 (95% CI 1.11-2.15)), but closer to unity for electrical shocks (HR 1.17 (95% CI 0.83-1.65)). When both exposures were included in the same model, the HR for ELF-MF changed little (HR 1.56), but the HR for electric shocks was attenuated to 0.97. In conclusion, there was an association between exposure to ELF-MF and mortality from ALS among workers with a higher likelihood of long-term exposure.

Findings Effects
Status Completed With Publication
Principal Investigator Utrecht University, The Netherlands
Funding Agency ?????
  • Huss, A et al. Amyotroph Lateral Scler Frontotemporal Degener., (2015) 16:80-85
  • Huss, A et al. Amyotroph Lateral Scler Frontotemporal Degener. 2014 Sep 17:1-6., (2014) 17:1-6
  • Huss, A et al. Environmental research. , (2018) 164:467-474
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