Residential magnetic fields exposure and childhood leukemia: a population-based case-control study in California epidem.

Aim of study (acc. to author)

Endpoint/type of risk estimation

• childhood leukemia

Exposure

• • 50/60 Hz
  • magnetic field
  • low frequency
• • power transmission line
• • residential

Assessment

• calculation: magnetic flux density calculation based on distance between mother's residential address at time of birth to closest power line, detailed information on physical configuration and dimension of power lines near residence, phasing, loading, and directional load flow data for years of birth and diagnosis for each child (see Vergara et al. (2015))

Exposure groups

Population

• Group:
  • children
• Age: 0–16 years
• Observation period: 1988 - 2008
• Study location: USA (California)

Case group

• Data source: California Cancer Registry, California Birth Registry

Control group

• Selection:
  • population-based
• Matching:
  • sex
  • age
  • case:control = 1:1
• Exclusion criteria: diagnosis of any type of cancer

Study size

Results (acc. to author)

Study funded by

• Electric Power Research Institute (EPRI), USA
• National Institute of Environmental Health Sciences/National Institute of Health (NIEHS/NIH), USA

Comments on this article

• Thomas DC (2018): Re: Kheifets et al. (2017): Residential magnetic fields exposure and childhood leukemia: a population-based case-control study in California

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