A recent cohort study showed an increased risk of testicular cancer among members of the United Brotherhood of Carpenters and Joiners of America. We explored our data of a German population-based case-control study on the etiology of testicular cancer with regard to this association.
Institute of Medical Epidemiology, Biometry and Informatics, University Hospital of Halle, Magdeburgerstrasse 27, 06097 Halle, Germany. andreas.stang@medizin.uni-halle.de