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BACKGROUND: Results from some retrospective studies suggest a possible increased risk of glioma and acoustic neuroma in users of mobile phones. METHODS: The relation between mobile phone use and incidence of intracranial central nervous system (CNS) tumours and other cancers was examined in 791,710 middle-aged women in a UK prospective cohort, the Million Women Study. Cox regression models were used to estimate adjusted relative risks (RRs) and 95% confidence intervals (CIs). Women reported mobile phone use in 1999 to 2005 and again in 2009. RESULTS: During 7 years' follow-up, 51,680 incident invasive cancers and 1,261 incident intracranial CNS tumours occurred. Risk among ever vs never users of mobile phones was not increased for all intracranial CNS tumours (RR = 1.01, 95% CI = 0.90-1.14, P = 0.82), for specified CNS tumour types nor for cancer at 18 other specified sites. For long-term users compared with never users, there was no appreciable association for glioma (10+ years: RR = 0.78, 95% CI = 0.55-1.10, P = 0.16) or meningioma (10+ years: RR = 1.10, 95% CI = 0.66-1.84, P = 0.71). For acoustic neuroma, there was an increase in risk with long term use vs never use (10+ years: RR = 2.46, 95% CI = 1.07-5.64, P = 0.03), the risk increasing with duration of use (trend among users, P = 0.03). CONCLUSIONS: In this large prospective study, mobile phone use was not associated with increased incidence of glioma, meningioma or non-CNS cancers.

Original publication

DOI

10.1093/ije/dyt072

Type

Journal article

Journal

Int J Epidemiol

Publication Date

06/2013

Volume

42

Pages

792 - 802

Keywords

Acoustic neuroma, cellular phone, glioma, meningioma, neoplasms, prospective studies, Adult, Aged, Brain Neoplasms, Cell Phone, Confidence Intervals, Female, Glioma, Humans, Incidence, Middle Aged, Neoplasms, Neuroma, Acoustic, Proportional Hazards Models, Prospective Studies, Regression Analysis, Risk Factors, Time Factors, United Kingdom