Abstract
The risk of cancer was studied in 2,413 males registered as waiters at the 1960 census in Norway. A personal identification number was used in linking this cohort of waiters with the Norwegian Cancer Registry. The follow-up period was 1961-1984. An excess risk of cancer was observed for the following primary sites: upper respiratory and digestive tracts combined 42 observed against 11.3 expected, liver (14 versus 2.87), rectum (28 versus 13.89), and lung (67 versus 43.66). The highest risk for all these types of cancer was seen among those who were waiters at both censuses in 1960 and 1970. In the case of cancer of the stomach the observed number of cases was significantly lower than expected (14 versus 25.68). It is known that smoking habits and alcohol consumption are substantial aetiological factors for the types of cancer in which an excess risk has been demonstrated here.
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Andersen, A., Bjelke, E. & Langmark, F. Cancer in waiters. Br J Cancer 60, 112–115 (1989). https://doi.org/10.1038/bjc.1989.232
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DOI: https://doi.org/10.1038/bjc.1989.232
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