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Development of historical exposure estimates of cosmic radiation and circadian rhythm disruption for cohort studies of Pan Am flight attendants.

Authors
Waters-MA; Grajewski-B; Pinkerton-LE; Hein-MJ; Zivkovich-Z
Source
Am J Ind Med 2009 Oct; 52(12):751-761
NIOSHTIC No.
20035890
Abstract
Background: The National Institute for Occupational Safety and Health is conducting cohort studies of flight crew employed by the former Pan American World Airways company (Pan Am) as part of an effort to examine flight crew workplace exposures and health effects. Flight crew are exposed to elevated levels of cosmic radiation and to disruption of circadian rhythm when flying across multiple time zones. Methods exist to calculate cosmic radiation effective doses on individual flights; however, only work histories which provided an employee's domicile (home base) history rather than a record of every flight flown were available. Methods/Results: We developed a method for estimating individual cumulative domicile-based cosmic radiation effective doses and two metrics for circadian rhythm disruption for each flight attendant: cumulative times zones crossed and cumulative travel time during the standard sleep interval. Conclusions: The domicile-exposure matrix developed was used to calculate exposure estimates for a cohort mortality study of former Pan Am flight attendants.
Keywords
Aircrews; Circadian-rhythms; Exposure-assessment; Exposure-methods; Flight-personnel; Health-hazards; Health-surveys; Occupational-health; Occupational-safety-programs; Qualitative-analysis; Radiation-effects; Radiation-exposure; Shift-workers; Sleep-deprivation; Time-weighted-average-exposure; Work-analysis; Work-environment; Worker-health; Workplace-studies; Work-practices; Author Keywords: cosmic radiation; flight attendants; exposure assessment; aircraft; flight crew; retrospective
Contact
Barbara Grajewski, CDC, National Institute for Occupational Safety and Health (NIOSH), 4676 Columbia Pkwy (R-15), Cincinnati, OH 45226
CODEN
AJIMD8
Publication Date
20091001
Document Type
Journal Article
Email Address
bag2@cdc.gov
Fiscal Year
2010
NTIS Accession No.
NTIS Price
Issue of Publication
12
ISSN
0271-3586
NIOSH Division
DSHEFS; DART
Priority Area
Transportation, Warehousing and Utilities; Manufacturing
Source Name
American Journal of Industrial Medicine
State
OH
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