Epidemiological study
(observational study)
Cellular phone use and brain tumor: a metaanalysis.
epidem.
By:
Kan P, Simonsen SE, Lyon JL, Kestle JR
Published in:
J Neurooncol 2008; 86 (1): 7178
Aim of study (acc. to author)
Further details
Endpoint/type of risk estimation
Type of risk estimation:
(odds ratio (OR))
Exposure
Assessment
Exposure groups
Reference group 1

not exposed

Group 2

regular cellular telephone use

Group 3

regular cellular telephone use: ≥ 10 years

Group 4

regular cellular telephone use: analog

Group 5

regular cellular telephone use: digital

Population

Group:

Characteristics:
brain tumor

Observation period:
1994  2004

Study location:
Europe, North America
Study size
Statistical analysis method:
 random effects method of DerSimonian and Laird, MantelHaenszel model
Conclusion (acc. to author)