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Possible Health Effects of Exposure to Residential Electric and Magnetic Fields (1997)
Commission on Life Sciences (CLS)

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. "Appendix A: Tables." Possible Health Effects of Exposure to Residential Electric and Magnetic Fields. Washington, DC: The National Academies Press, 1997.

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Possible Health Effects of Exposure to Residential Electric and Magnetic Fields

TABLE A5-8 Residential Electric-and Magnetic-Field Exposure and All Childhood Cancers: Results

Study

Exposure Category

Number of Cases

Number of Controls

Crude ORa

95% CIb

Adjusted ORc

Potential Confounders Addressedd

Wertheimer  and Leeper 1979

Birth address:

 

 

 

 

 

Age of onset, sex, traffic congestion, socioeconomic status (SES), urban residence, family pattern

 

HCCe

101

55

2.3

1.6-3.4

 

 

 

LCCf

171

217

 

 

 

 

 

Death address:

 

 

 

 

 

 

 

HCC

129

74

2.2

1.6-3.1

 

 

 

LCC

199

254

 

 

 

 

Tomenius 1986

Total residences:

 

 

 

 

 

Age, sex, church district of birth, permanent vs. transient residence

 

≥0.3 µT

34

14

2.1

1.1-4.0

 

 

 

<0.3 µT

1,095

955

 

 

 

 

Savitz et al. 1988

Field measurements for low-power conditions:

 

 

 

 

 

Maternal age, father's education, family income, maternal smoking in pregnancy, traffic density, age, sex, geographic area of residence

 

>0.2 µT

13

16

1.4

0.6-2.9

(1.2-1.5)

 

 

<0.2 µT

115

191

 

 

 

 

 

Field measurements for high-power conditions:

 

 

 

 

 

 

 

>0.2 µT

19

29

1.0

0.6-2.0

 

 

 

<0.2 µT

110

175

 

 

 

 

 

Two-level wire codes:

 

 

 

 

 

 

 

High

89

52

1.5

1.0-2.3

 

 

 

Low

231

207

 

 

 

 

 

Wire codes:

 

 

 

 

 

 

 

Very high

19

8

2.2

1.0-5.2

 

 

 

Very low

95

88

 

 

 

 

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