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Mobile phone use and risk of glioma, meningioma, acoustic neuroma, and parotid gland tumors
Probabilistic multiple-bias modelling applied to the Canadian data from the INTERPHONE study of mobile phone use and risk of glioma, meningioma, acoustic neuroma, and parotid gland tumors.
Am J Epidemiol. 2017 May 23. doi: 10.1093/aje/kwx157. (Epub ahead of print)
Momoli F, Siemiatycki J, McBride ML, Parent MÉ, Richardson L, Bedard D, Platt R, Vrijheid M, Cardis E, Krewski D.
We undertook a re-analysis of the Canadian data from the thirteen-country INTERPHONE case-control study (2001-2004), which evaluated the association between mobile phone use and risk of brain, acoustic neuroma, and parotid gland tumors. The main publication of the multinational INTERPHONE study concluded that ''biases and errors prevent a causal interpretation''. We applied a probabilistic multiple-bias model to address possible biases simultaneously, using validation data from billing records and non-participant questionnaires as information on recall error and selective participation. Our modelling sought to adjust for these sources of uncertainty and to facilitate interpretation. For glioma, the odds ratio comparing highest quartile of use (over 558 lifetime hours) to non-regular users was 2.0 (95% confidence interval: 1.2, 3.4). The odds ratio was 2.2 (95% confidence interval: 1.3, 4.1) when adjusted for selection and recall biases. There was little evidence of an increase in the risk of meningioma, acoustic neuroma, or parotid gland tumors in relation to mobile phone use. Adjustments for selection and recall biases did not materially affect interpretation in our Canadian results.
© The Author 2017. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health. All rights reserved. For permissions, please e-mail: firstname.lastname@example.org.
bias; bias modelling; brain tumors; cancer; case-control study; head and neck tumors; mobile phones
Comment from Environmental Health Trust:
Breaking News: Canadian Study Finds Cell Phone Use Increases Risk For Brain Cancer
The American Journal of Epidemiology just published major findings strengthening the association between glioma, an aggressive brain cancer, and cell phone use.
Researchers performed a re-analysis of the Canadian data from the thirteen-country INTERPHONE case-control study (2001-2004), which evaluated the association between mobile phone use and risk of brain. The re-analysis found an increased risk estimate - a doubling of risk- for glioma among the heaviest cell phone users- those with over 558 lifetime hours.
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