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Causation
Childhood acute lymphoblastic leukaemia was not linked to residential exposure to power line magnetic fields

https://doi.org/10.1136/ebn.1.2.55

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    Linet MS, Hatch EE, Kleinerman RA , et al. Residential exposure to magnetic fields and acute lymphoblastic leukemia in children. N Engl J Med 1997 Jul 3; 337 : 1 –7. OpenUrlCrossRefPubMedWeb of Science

    Objective

    To determine whether an association exists between residential exposure to magnetic fields from power lines and the development of childhood acute lymphoblastic leukaemia (ALL).

    Design

    Case control study.

    Setting

    Community based study in 9 states of the USA.

    Participants

    Case participants were children who were diagnosed with ALL before the age of 15 years between 1989 and 1994. Control group children were matched for age, race, and the first 8 digits of their telephone number. Magnetic field measurements and residential history were available for 629 children with ALL and 619 control group children who had participated in an initial telephone survey; 463 case control pairs were included in the matched analysis.

    Assessment of risk factors

    For children <5 years of age, magnetic fields were measured in homes that the children had lived in for ≥6 months …

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    Footnotes

    • Sources of funding: in part, National Cancer Institute and the University of Minnesota Children's Cancer Research Fund.

    • For article reprint: Dr M S Linet, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Executive Plaza North, Suite 408, Bethesda, MD 20892–7362, USA. Fax +1 301 402 0207.

    • Adapted from an abstract published in Evidence-Based Medicine 1998 Mar-Apr;3:43.