title: Use of cellular and cordless telephones and risk of testicular cancer.
abstract: A case-control study on testicular cancer included use of cellular and cordless telephones. The results were based on answers from 542 (92%) cases with seminoma, 346 (89%) with non-seminoma, and 870 (89%) controls. Regarding seminoma the use of analog cellular phones gave odds ratio (OR) = 1.2, 95% confidence interval (CI) = 0.9-1.6, digital phones OR = 1.3, CI = 0.9-1.8, and cordless phones OR = 1.1, CI = 0.8-1.5. The corresponding results for non-seminoma were OR = 0.7, CI = 0.5-1.1, OR = 0.9, CI = 0.6-1.4, and OR = 1.0, CI = 0.7-1.4, respectively. There was no dose-response effect and OR did not increase with latency time. No association was found with place of keeping the mobile phone during standby, such as trousers pocket. Cryptorchidism was associated both with seminoma (OR = 4.2, CI = 2.7-6.5) and non-seminoma (OR = 3.3, CI = 2.0-5.6), but no interaction was found with the use of cellular or cordless telephones.
authors.affiliation: Department of Oncology, University Hospital, Orebro, Sweden. lennart.hardell@orebroll.se
authors.forename: L
authors.initials: L
authors.lastname: Hardell
authors.forename: M
authors.initials: M
authors.lastname: Carlberg
authors.forename: C-G
authors.initials: CG
authors.lastname: Ohlson
authors.forename: H
authors.initials: H
authors.lastname: Westberg
authors.forename: M
authors.initials: M
authors.lastname: Eriksson
authors.forename: K
authors.initials: K
authors.lastname: Hansson Mild
mesh_terms: D000328:Adult; D000368:Aged; D016022:Case-Control Studies; D040421:Cell Phone; D006306:Health Surveys; D006801:Humans; D008297:Male; D008872:Microwaves / Q000009:adverse effects; D008875:Middle Aged; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology*; D012307:Risk Factors; D018239:Seminoma / Q000453:epidemiology*; D013736:Testicular Neoplasms / Q000453:epidemiology*