Study type: Epidemiological study (observational study)

Use of cellular and cordless telephones and risk of testicular cancer. epidem.

Published in: Int J Androl 2007; 30 (2): 115-122

Aim of study (acc. to author)

The use of cellular telephones and cordless telephones and the risk of testicular cancer was investigated in a Swedish case-control study.

Endpoint/type of risk estimation

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

Exposure

Assessment

Exposure groups

Group Description
Reference group 1 unexposed
Group 2 analog, latency: > 1 - 5 years
Group 3 analog, ≤ 160 hours, latency: > 1 - 5 years
Group 4 analog, > 160 hours, latency: > 1 - 5 years
Group 5 analog, latency: > 5 - 10 years
Group 6 analog, ≤ 160 hours, latency: > 5 - 10 years
Group 7 analog, > 160 hours, latency: > 5 - 10 years
Group 8 analog, latency: > 10 years
Group 9 analog, ≤ 160 hours, latency: > 10 years
Group 10 analog, > 160 hours, latency: > 10 years
Group 11 analog, total, latency: > 1 year
Group 12 analog, ≤ 160 hours, total, latency: > 1 year
Group 13 analog, > 160 hours, total, latency: > 1 year
Group 14 digital, latency: > 1 - 5 years
Group 15 digital, ≤ 182 hours, latency: > 1 - 5 years
Group 16 digital, > 182 hours, latency: > 1 - 5 years
Group 17 digital, latency: > 5 - 10 years
Group 18 digital, ≤ 182 hours, latency: > 5 - 10 years
Group 19 digital, > 182 hours, latency: > 5 - 10 years
Group 20 digital, total, latency: > 1 year
Group 21 digital, ≤ 182 hours, total, latency: > 1 year
Group 22 digital, > 182 hours, total, latency: > 1 year
Group 23 cordless, latency: > 1 - 5 years
Group 24 cordless, ≤ 365 hours, latency: > 1 - 5 years
Group 25 cordless, > 365 hours, latency: > 1 - 5 years
Group 26 cordless, latency: > 5 - 10 years
Group 27 cordless, ≤ 365 hours, latency: > 5 - 10 years
Group 28 cordless, > 365 hours, latency: > 5 - 10 years
Group 29 cordless, total, latency: > 1 year
Group 30 cordless, ≤ 365 hours, total, latency: > 1 year
Group 31 cordless, > 365 hours, total, latency: > 1 year
Group 32 location of phone: pocket on trouser-leg
Group 33 location of phone: trousers pocket
Group 34 location of phone: hip-pocket
Group 35 location of phone: waist-belt pocket
Group 36 location of phone: breast-pocket

Population

Case group

Control group

Study size

Cases Controls
Eligible 981 981
Participants 888 870
Participation rate 91 % 89 %
Statistical analysis method: (adjustment: )

Conclusion (acc. to author)

No evidence was found that the use of cellular telephones or cordless telephones increased the risk of testicular cancer. No association was observed with the location of the mobile phone during standby (e.g. trousers pocket) and testicular cancer.

Study funded by

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