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Title: Cardiorespiratory Fitness Predicts Cardiovascular Risk Profiles in Career Firefighters
Authors: Baur, Dorothee M. 
Tsismenakis, Antonios J. 
Cook, E. Francis 
Kales, Stefanos N. 
Christophi, Costas A. 
Major Field of Science: Medical and Health Sciences
Field Category: Health Sciences
Keywords: Fire Fighter;Breathing Apparatus;Vest
Issue Date: Oct-2011
Source: Journal of Occupational and Environmental Medicine, 2011, vol. 53, no. 10, pp. 1155-1160
Volume: 53
Issue: 10
Start page: 1155
End page: 1160
Journal: Journal of Occupational and Environmental Medicine 
Abstract: Objective: Evaluate the association between cardiovascular disease (CVD) risk factors and cardiorespiratory fitness (CRF) in firefighters. Methods: Cross-sectional study of 968 male career firefighters. Cardiorespiratory fitness was measured by maximal exercise tolerance tests. Cardiovascular disease risk parameters included body composition, resting vital signs, and metabolic profiles. Group comparisons were performed using chi(2) test, analysis of variance, and general linear regression with/without adjustment for age and body mass index (BMI). Results: Highermetabolic equivalents categories were significantly associated with lower diastolic blood pressure, body fat, triglycerides, low-density lipoprotein cholesterol and total/high-density cholesterol ratio, and higher high-density lipoprotein (P <= 0.0272, age and BMI adjusted). Conclusions: Increasing CRF has beneficial independent effects on CVD risk factor profiles among firefighters. Higher CRF was beneficial regardless of BMI, nevertheless, increasing BMI had strong independent unfavorable effects. Firefighters should be encouraged to increase their CRF to decrease their future risk of CVD.
Description: The authors would like to thank all the participating firefighters and fire departments, the staff and clinical leadership of the clinics who examined the firefighters, and Ms Brianne Tuley, Dr Sara Jahnke, Dr Lilly Ramphal, and the late Dr William Patterson for their contributions to the underlying longitudinal study. The authors also thank Dr. Charles A. Czeisler, Dr. Steven W. Lockley, Mr. Jason Sullivan and the Harvard Work Hours Health and Safety Group for providing data on one of the fire departments. This investigation was supported by the Federal Emergency Management Agency (FEMA) Assistance to Firefighters Grant (AFG) program's awards EMW-2006-FP-01493 (PI: Dr S.N. Kales), EMW-2009-FP-00835 (PI: Dr S.N. Kales) and EMW-2007-FP-02197 (PI: Dr. C.A. Czeisler).
ISSN: 10762752
DOI: 10.1097/JOM.0b013e31822c9e47
Rights: © American College of Occupational and Environmental Medicine
Type: Article
Affiliation : Cyprus University of Technology 
Brigham and Women's Hospital 
Harvard University 
Boston University 
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