IJE Advance Access published online on August 2, 2008
International Journal of Epidemiology, doi:10.1093/ije/dyn155
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Meningioma and mobile phone use—a collaborative case-control study in five North European countries
1 STUK – Radiation and Nuclear Safety Authority, Helsinki, Finland.
2 Tampere School of Public Health, University of Tampere, Tampere, Finland.
3 Section of Epidemiology, Institute of Cancer Research, Sutton, UK.
4 Institute of Cancer Epidemiology, Danish Cancer Society, Copenhagen, Denmark.
5 Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
6 Institute of Population-based Cancer Research, The Cancer Registry of Norway, Oslo, Norway.
7 Norwegian Radiation Protection Authority, Østerås, Norway.
* Corresponding author. STUK-Radiation and Nuclear Safety Authority, P.O. Box 14, FIN-00881 Helsinki, Finland. E-mail: anna.lahkola{at}stuk.fi
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Abstract |
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Background Use of mobile telephones has been suggested as a possible risk factor for intracranial tumours. To evaluate the effect of mobile phones on risk of meningioma, we carried out an international, collaborative case-control study of 1209 meningioma cases and 3299 population-based controls.
Methods Population-based cases were identified, mostly from hospitals, and controls from national population registers and general practitioners’ patient lists. Detailed history of mobile phone use was obtained by personal interview. Regular mobile phone use (at least once a week for at least 6 months), duration of use, cumulative number and hours of use, and several other indicators of mobile phone use were assessed in relation to meningioma risk using conditional logistic regression with strata defined by age, sex, country and region.
Results Risk of meningioma among regular users of mobile phones was apparently lower than among never or non-regular users (odds ratio, OR = 0.76, 95% confidence interval, CI 0.65, 0.89). The risk was not increased in relation to years since first use, lifetime years of use, cumulative hours of use or cumulative number of calls. The findings were similar regardless of telephone network type (analogue/digital), age or sex.
Conclusions Our results do not provide support for an association between mobile phone use and risk of meningioma.
Keywords cellular phones, brain neoplasms, case-control studies
Accepted 30 June 2008
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