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Radiat Environ Biophys. 2004 Feb;42(4):247-56. Epub 2003 Nov 28.

Cosmic radiation and cancer mortality among airline pilots: results from a European cohort study (ESCAPE).

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1
School of Public Health, Division of Epidemiology and Medical Statistics, University of Bielefeld, P.O. Box 100 131, 33501 Bielefeld, Germany. Ingo.Langner@uni-bielefeld.de

Abstract

Cosmic radiation is an occupational risk factor for commercial aircrews. In this large European cohort study (ESCAPE) its association with cancer mortality was investigated on the basis of individual effective dose estimates for 19,184 male pilots. Mean annual doses were in the range of 2-5 mSv and cumulative lifetime doses did not exceed 80 mSv. All-cause and all-cancer mortality was low for all exposure categories. A significant negative risk trend for all-cause mortality was seen with increasing dose. Neither external and internal comparisons nor nested case-control analyses showed any substantially increased risks for cancer mortality due to ionizing radiation. However, the number of deaths for specific types of cancer was low and the confidence intervals of the risk estimates were rather wide. Difficulties in interpreting mortality risk estimates for time-dependent exposures are discussed.

PMID:
14648170
DOI:
10.1007/s00411-003-0214-7
[Indexed for MEDLINE]
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