A Pooled Analysis of Extremely Low-Frequency Magnetic Fields and Childhood Brain Tumors

Pooled analyses may provide etiologic insight about associations between exposure and disease. In contrast to childhood leukemia, no pooled analyses of childhood brain tumors and exposure to extremely low-frequency magnetic fields (ELF-MFs) have been conducted. The authors carried out a pooled analy...

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Published in:American journal of epidemiology 2010-10, Vol.172 (7), p.752-761
Main Authors: Kheifets, L., Ahlbom, A., Crespi, C. M., Feychting, M., Johansen, C., Monroe, J., Murphy, M. F. G., Oksuzyan, S., Preston-Martin, S., Roman, E., Saito, T., Savitz, D., Schüz, J., Simpson, J., Swanson, J., Tynes, T., Verkasalo, P., Mezei, G.
Format: Article
Language:English
Subjects:
Biological and medical sciences
brain neoplasms
Brain Neoplasms - epidemiology
Brain Neoplasms - etiology
Child
Childrens health
electromagnetic fields
Electromagnetic Fields - adverse effects
Epidemiology
General aspects
Global Health
Human exposure
Humans
Incidence
Magnetic fields
Medical sciences
Meta-analysis
Miscellaneous
Neoplasms, Radiation-Induced - epidemiology
Neurology
Public health. Hygiene
Public health. Hygiene-occupational medicine
Risk Factors
Systematic Reviews and Meta- and Pooled Analyses
Tumors
Tumors of the nervous system. Phacomatoses
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Feychting, M.
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Monroe, J.
Murphy, M. F. G.
Oksuzyan, S.
Preston-Martin, S.
Roman, E.
Saito, T.
Savitz, D.
Schüz, J.
Simpson, J.
Swanson, J.
Tynes, T.
Verkasalo, P.
Mezei, G.
description Pooled analyses may provide etiologic insight about associations between exposure and disease. In contrast to childhood leukemia, no pooled analyses of childhood brain tumors and exposure to extremely low-frequency magnetic fields (ELF-MFs) have been conducted. The authors carried out a pooled analysis based on primary data (1960–2001) from 10 studies of ELF-MF exposure and childhood brain tumors to assess whether the combined results, adjusted for potential confounding, indicated an association. The odds ratios for childhood brain tumors in ELF-MF exposure categories of 0.1–
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M. ; Feychting, M. ; Johansen, C. ; Monroe, J. ; Murphy, M. F. G. ; Oksuzyan, S. ; Preston-Martin, S. ; Roman, E. ; Saito, T. ; Savitz, D. ; Schüz, J. ; Simpson, J. ; Swanson, J. ; Tynes, T. ; Verkasalo, P. ; Mezei, G.</creator><creatorcontrib>Kheifets, L. ; Ahlbom, A. ; Crespi, C. M. ; Feychting, M. ; Johansen, C. ; Monroe, J. ; Murphy, M. F. G. ; Oksuzyan, S. ; Preston-Martin, S. ; Roman, E. ; Saito, T. ; Savitz, D. ; Schüz, J. ; Simpson, J. ; Swanson, J. ; Tynes, T. ; Verkasalo, P. ; Mezei, G.</creatorcontrib><description>Pooled analyses may provide etiologic insight about associations between exposure and disease. In contrast to childhood leukemia, no pooled analyses of childhood brain tumors and exposure to extremely low-frequency magnetic fields (ELF-MFs) have been conducted. The authors carried out a pooled analysis based on primary data (1960–2001) from 10 studies of ELF-MF exposure and childhood brain tumors to assess whether the combined results, adjusted for potential confounding, indicated an association. The odds ratios for childhood brain tumors in ELF-MF exposure categories of 0.1–&lt;0.2 μT, 0.2–&lt;0.4 μT, and ≥0.4 μT were 0.95 (95% confidence interval: 0.65, 1.41), 0.70 (95% CI: 0.40, 1.22), and 1.14 (95% CI: 0.61, 2.13), respectively, in comparison with exposure of &lt;0.1 μT. Other analyses employing alternate cutpoints, further adjustment for confounders, exclusion of particular studies, stratification by type of measurement or type of residence, and a nonparametric estimate of the exposure-response relation did not reveal consistent evidence of increased childhood brain tumor risk associated with ELF-MF exposure. 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M.</creatorcontrib><creatorcontrib>Feychting, M.</creatorcontrib><creatorcontrib>Johansen, C.</creatorcontrib><creatorcontrib>Monroe, J.</creatorcontrib><creatorcontrib>Murphy, M. F. G.</creatorcontrib><creatorcontrib>Oksuzyan, S.</creatorcontrib><creatorcontrib>Preston-Martin, S.</creatorcontrib><creatorcontrib>Roman, E.</creatorcontrib><creatorcontrib>Saito, T.</creatorcontrib><creatorcontrib>Savitz, D.</creatorcontrib><creatorcontrib>Schüz, J.</creatorcontrib><creatorcontrib>Simpson, J.</creatorcontrib><creatorcontrib>Swanson, J.</creatorcontrib><creatorcontrib>Tynes, T.</creatorcontrib><creatorcontrib>Verkasalo, P.</creatorcontrib><creatorcontrib>Mezei, G.</creatorcontrib><title>A Pooled Analysis of Extremely Low-Frequency Magnetic Fields and Childhood Brain Tumors</title><title>American journal of epidemiology</title><addtitle>Am J Epidemiol</addtitle><description>Pooled analyses may provide etiologic insight about associations between exposure and disease. In contrast to childhood leukemia, no pooled analyses of childhood brain tumors and exposure to extremely low-frequency magnetic fields (ELF-MFs) have been conducted. The authors carried out a pooled analysis based on primary data (1960–2001) from 10 studies of ELF-MF exposure and childhood brain tumors to assess whether the combined results, adjusted for potential confounding, indicated an association. The odds ratios for childhood brain tumors in ELF-MF exposure categories of 0.1–&lt;0.2 μT, 0.2–&lt;0.4 μT, and ≥0.4 μT were 0.95 (95% confidence interval: 0.65, 1.41), 0.70 (95% CI: 0.40, 1.22), and 1.14 (95% CI: 0.61, 2.13), respectively, in comparison with exposure of &lt;0.1 μT. 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Hygiene-occupational medicine</subject><subject>Risk Factors</subject><subject>Systematic Reviews and Meta- and Pooled Analyses</subject><subject>Tumors</subject><subject>Tumors of the nervous system. 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source Oxford Journals Online
subjects Biological and medical sciences
brain neoplasms
Brain Neoplasms - epidemiology
Brain Neoplasms - etiology
Child
Childrens health
electromagnetic fields
Electromagnetic Fields - adverse effects
Epidemiology
General aspects
Global Health
Human exposure
Humans
Incidence
Magnetic fields
Medical sciences
Meta-analysis
Miscellaneous
Neoplasms, Radiation-Induced - epidemiology
Neurology
Public health. Hygiene
Public health. Hygiene-occupational medicine
Risk Factors
Systematic Reviews and Meta- and Pooled Analyses
Tumors
Tumors of the nervous system. Phacomatoses
title A Pooled Analysis of Extremely Low-Frequency Magnetic Fields and Childhood Brain Tumors
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