NDLI: Electromagnetic Field Exposures and Childhood Cancers in New Zealand

Content Provider	Springer Nature Link
Author	Dockerty, John D. Elwood, J. Mark Skegg, David C.G. Herbison, G. Peter
Copyright Year	1998
Abstract	Objectives: To assess childhood cancer risks for electromagnetic field (EMF) exposures.Methods: A case-control study was conducted in New Zealand. Cases (aged from zero to 14 years) were ascertained from national databases including the New Zealand Cancer Registry; 303 took part (participation rate, 88 percent). The 303 age- and gender-matched controls were selected randomly from birth records (participation, 69 percent). Mothers were interviewed about appliance exposures (all cases and controls), and 24-hour residential measurements of EMFs were made (leukemia cases and matched controls).Results: For the various appliance exposures, there were some odds ratios (OR) above 1.0 and others below 1.0. For electric blanket use by the child before diagnosis, the adjusted ORs were: leukemia, 2.2 (95 percent confidence interval [CI] = 0.7-6.4); central nervous system cancers, ORs = 1.6 (CI = 0.4-7.1); and other solid cancers, OR = 2.4 (CI = 1.0-6.1). Leukemia risk was increased for the highest category of the mean measured bedroom magnetic field (≥ 0.2 µT cf < 0.1 µT), with an adjusted OR of 15.5 (CI = 1.1-224). A gradient in OR with exposure was not shown (middle category: OR 1.4, CI = 0.3-7.6), and there was no association with exposure categorized into thirds based on controls' exposure. The adjusted OR for leukemia in relation to the measured daytime room magnetic field (≥ 0.2 µT cf < 0.1 µT) was 5.2 (CI = 0.9-30.8).Conclusions: This was a small study and multiple comparisons were made. The positive findings thus should be interpreted cautiously. Cancer Causes and Control 1998, 9, 299-309
Starting Page	299
Ending Page	309
Page Count	11
File Format	PDF
ISSN	09575243
Journal	Cancer Causes & Control
Volume Number	9
Issue Number	3
e-ISSN	15737225
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1998-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Public Health/Gesundheitswesen Hematology Oncology Epidemiology
Content Type	Text
Resource Type	Article
Subject	Cancer Research Oncology

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