Risk For Leukaemia And Brain And Breast Cancer Among Danish Utility Workers - A Second Follow-Up

Christoffer Johansen ^1*, Ole Raaschou-Nielsen ², Jørgen H Olsen ² and Joachim Schüez ²

¹ Institute of Cancer Epidemiology, Dominica
² Institute of Cancer Epidemiology, Denmark

^* To whom correspondence should be addressed. E-mail: christof{at}cancer.dk.

Accepted 2 March 2007

Abstract

Objective: To update a study of risks for leukaemia, brain cancer and breast cancer in a Danish nationwide, population-based cohort of utility employees. Methods: We applied a multivariate statistical model including information on age, duration of employment, date of first employment and level of occupational exposure to electromagnetic fields. Results: We observed no increased risk for these cancers among 28 224 individuals with more than 3 months of employment in whom cancer had not been diagnosed before first employment. Conclusion: Our results do not support the hypothesis of an association between occupational exposure to magnetic fields in the electric utility industry and risks for leukaemia, brain cancer and breast cancer.

Keywords: cancer risk, electromagnetic fields, occupational exposure

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