Work-related exposure to extremely low-frequency magnetic fields and dementia: results from the population-based study of dementia in Swedish twins.

The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Ross AndelMargaret Gatz

Abstract

We examined the association between extremely low-frequency magnetic fields (EMF) and the risk of dementia and Alzheimer's disease using all 9,508 individuals from the Study of Dementia in Swedish Twins (HARMONY) with valid occupational and diagnostic data. Dementia diagnoses were based on telephone screening followed by in-person clinical workup. Main lifetime occupation was coded according to an established EMF exposure matrix. Covariates were age, gender, education, vascular risk factors, and complexity of work. Based on previous research, data were also analyzed separately for cases with disease onset by age 75 years versus later, men versus women, and those with manual versus nonmanual main occupation. We used generalized estimating equations with the entire sample (to adjust for the inclusion of complete twin pairs) and conditional logistic regression with complete twin pairs only. Level of EMF exposure was not significantly associated with dementia or Alzheimer's disease. However, in stratified analyses, medium and high levels of EMF exposure were associated with increased dementia risk compared with low level in cases with onset by age 75 years (odds ratio: 1.94, 95% confidence interval: 1.07-3.65 for medium, odds ratio...Continue Reading

References

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Sep 1, 2005·The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences·Ross AndelMargaret Gatz
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Citations

Dec 1, 2017·The International Journal of Neuroscience·Zeinab AkbarnejadMeysam Ahmadi-Zeidabadi
Jan 30, 2019·International Journal of Environmental Research and Public Health·Lars-Gunnar Gunnarsson, Lennart Bodin
Feb 8, 2013·Journal of Occupational and Environmental Medicine·Ximena VergaraGabor Mezei

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