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Cancer risks of police officers: the retrospective cohort mortality study of police, Buffalo, NY 1950 to 2005.

Authors
Vena-JE; Violanti-J; Smith-E; Burch-J; Charles-LE; Gu-JK; Andrew-ME; Fekedulegn-D; Burchfiel-CM
Source
Am J Epidemiol 2011 Jun; 173(Suppl 11):S189
NIOSHTIC No.
20040268
Abstract
Little is known about the long term cancer risks police officers face. Police officers work long, irregular shifts which often include stressful situations. In 2007, the International Agency for Research on Cancer listed shift work that involves circadian disruption as a probable carcinogen to humans. The police cohort consisted of male officers (n = 3,049) who worked a minimum of 5 years for the Buffalo Police Department, New York, between January 1, 1950 and December 31, 2005. Female officers (n = 298), officers who did not have either birth data or hire date (n = 44), and officers who worked < 5 years (n = 33) were excluded from this analysis (N = 3,424). As of December 31, 2005, 50% of the population had died, 46% were alive, 4% were lost to follow-up. Mortality from all causes of death combined for police officers was significantly higher than expected (SMR = 1.20; 95% confidence interval (CI) = 1.14-1.26). Significantly increased mortality was also seen for all malignant neoplasms combined (SMR = 1.32; 1.19-1.46), all benign neoplasms combined (SMR = 2.48; 1.17-4.89), and all diseases of the circulatory system combined (SMR = 1.10; 1.02-1.19). The elevated mortality for all malignant neoplasms was primarily due to statistically significant excesses in cancers of the esophagus (SMR = 1.93; 1.08-3.18), colon (SMR = 1.83; 1.35-2.42), respiratory system (SMR = 1.24; 1.03-1.48), as well as Hodgkin's disease (SMR = 3.38; 1.23-7.36) and leukemia (SMR = 1.77; 1.08-2.73). Differences in cancer risk are noted for years employed and latency and other factors. Implications for future research on the effects of shift work and stress and prevention will be discussed.
Keywords
Police-officers; Cancer; Stress; Shift-work; Circadian-rhythms; Carcinogens; Humans; Men; Women; Respiratory-system-disorders; Respiration; Pulmonary-system-disorders; Pulmonary-system; Pulmonary-cancer; Malignancy; Epidemiology; Statistical-analysis; Emergency-responders
CODEN
AJEPAS
Publication Date
20110601
Document Type
Abstract
Fiscal Year
2011
NTIS Accession No.
NTIS Price
ISSN
0002-9262
NIOSH Division
HELD
Priority Area
Services: Public Safety
Source Name
American Journal of Epidemiology
State
NY; WV
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