Epidemiological study (observational study)

Association between number of cell phone contracts and brain tumor incidence in nineteen U.S. States epidem.

By: Lehrer S, Green S, Stock RG

Published in: J Neurooncol 2011; 101 (3): 505-507

Aim of study (acc. to author)

The association between number of cell phone contracts and brain tumor incidence in nineteen states of the USA was investigated.

Further details

Data on brain tumor incidence were available from the Central Brain Tumor Registry of the USA (CBTRUS) for the time period 2000-2004 whereas mobile phone exposure was assessed by using the cell phone subscriber data from the Governing State and Local Sourcebook 2007.

Endpoint/type of risk estimation

brain tumor

Type of risk estimation:

incidence

Exposure

- mobile communications
- mobile phone
- personal

Assessment

list: cell phone subscriber data from the Governing State and Local Sourcebook 2007

Population

Group:
- men
- women
Observation period: 2000 - 2004
Study location: USA (19 states)
Data source: Central Brain Tumor Registry of the USA (CBTRUS)

Statistical analysis method:

multiple linear regression analysis
correlation

( adjustment:

population, mean income, and mean age

)

Results (acc. to author)

A significant correlation between the number of cell subscriptions and brain tumor was found (r=0.950, P < 0.001). In the multiple linear regression model, the effect of cell phone subscriptions was significant (P = 0.017), and independent of the effect of mean family income (P = 0.894), population (P = 0.003) and age (0.499).
The authors concluded that the linear relationship between cell phone subscriptions and brain tumor certainly needs further epidemiology evaluation.

Study funded by

not stated/no funding

Comments on this article

Boniol M et al. (2011): Re. Lehrer S, Green S, Stock RG (2011) Association between number of cell phone contracts and brain tumor incidence in nineteen U.S. States. J Neurooncol 101:505–507
Lehrer S (2011): Response to Boniol et al

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