Study type: Epidemiological study (observational study)

Cellular telephone use and risk of acoustic neuroma. epidem.

Published in: Am J Epidemiol 2004; 159 (3): 277-283

Aim of study (acc. to author)

The possible association between cellular telephone use and the risk of acoustic neuroma was investigated in this Danish nationwide population-based case-control study.

Further details

The study is part of the INTERPHONE project. Regular use of mobile phone was defined as more than one call per week for 6 months or more.

Endpoint/type of risk estimation

Type of risk estimation: (odds ratio (OR))

Exposure

Assessment

Exposure groups

Group Description
Reference group 1 never used or less than once per week for six month
Group 2 use regularly
Group 3 time since first regular use never or rarely used < 1 year
Group 4 time since first regular use 1-4 year
Group 5 time since first regular use ≥ 5 year
Group 6 time since first regular use 5-9 year
Group 7 time since first regular use ≥ 10 year
Group 8 first telephone operating system: no information
Group 9 first telephone operating system: analogue
Group 10 first telephone operating system: digital
Group 11 lifetime cumulative number of calls ≤ 2975
Group 12 lifetime cumulative number of calls > 2975-11550
Group 13 lifetime cumulative number of calls > 11500
Group 14 lifetime cumulative hours of use ≤ 167.5
Group 15 lifetime cumulative hours of use > 167.5-654
Group 16 lifetime cumulative hours ofuse > 654
Group 17 cumulative use before diagnosis < 5 years
Group 18 cumulative use before diagnosis ≥ 5 years (≤ 81.7 hours)
Group 19 cumulative use before diagnosis ≥ 5 years (> 81.7 hours)

Population

Case group

Control group

Study size

Cases Controls
Eligible 141 332
Contacted 106 214
Participants 106 212
Statistical analysis method: (adjustment: )

Conclusion (acc. to author)

The results showed no evidence for an association between cellular telephone use and the risk of acoustic neuroma.

Study funded by

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