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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

Study

Exposure Description

Number of Cases

Number of Controls

Crude ORa

95% CIb

Potential Confounders Addressedc

 

Field measurement mean exposure for low power:

 

 

>0.2 µT

 

 

1.5

0.5-4.7

 

 

0.05-0.1992 µT

 

 

1.2

0.5-2.6

 

 

0.0-0.052 µT

 

 

 

 

 

 

Field measurement mean exposure; for low power:

 

 

>0.2 µT

 

 

1.6

0.5-5.0

 

 

0.05-0.1992 µT

 

 

0.6

0.3-1.2

 

 

0.0-0.052 µT

 

 

 

 

 

Coleman et al. 1989

Distance to substation, using population controls:

 

 

0-24 m

4

4

1.3

(0.3-5.3)

 

 

25-49 m

11

13

1.1

(0.5-2.5)

 

 

50-99 m

63

69

1.2

(0.8-1.8)

 

 

≥100 m

112

145

—

—

 

Youngson et al. 1991

Distance from power line:

 

 

<25 m

77

62

1.3

(0.9-1.8)

 

 

≥25 m <50 m

60

47

1.3

(0.9-1.9)

 

 

≥50 m <75 m

52

50

1.1

(0.7-1.6)

 

 

≥75 m <100 m

47

53

0.9

(0.6-1.3)

 

 

<100 m

236

212

1.1

(0.9-1.4)

 

 

≥100 m

2,908

2,932

—

—

 
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282