Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/3725
Title: Metabolic syndrome in inversely related to cardiorespiratory fitness in male career firefighters
Authors: Baur, Dorothee M. 
Kales, Stefanos N. 
Christophi, Costas A. 
Keywords: coronary-heart-disease;body-mass index;cardiovascular-disease;physical-activity;police officers;risk-factors
Category: Health Sciences
Field: Medical and Health Sciences
Issue Date: 2012
Publisher: LIPPINCOTT WILLIAMS & WILKINS
Source: JOURNAL OF STRENGTH AND CONDITIONING RESEARCH Volume: 26 Issue:9 Pages:2331-2337
Abstract: Baur, DM, Christophi, CA, and Kales, SN. Metabolic syndrome is inversely related to cardiorespiratory fitness in male career firefighters. J Strength Cond Res 26(9): 2331-2337, 2012-Cardiovascular disease (CVD) accounts for 45% of on-duty fatalities among firefighters, occurring primarily in firefighters with excess CVD risk factors in patterns resembling the metabolic syndrome (MetSyn). Additionally, firefighters have a high prevalence of obesity and sedentary behavior suggesting that MetSyn is also common. Therefore, we assessed the prevalence of MetSyn in firefighters and its association with cardiorespiratory fitness (CRF) in a cross-sectional study of 957 male career firefighters. The CRF was measured by maximal exercise tolerance testing (standard metabolic equivalent [METS]). The MetSyn was defined according to modified criteria from the Joint Scientific Statement. Group differences were compared using chi(2)-test and logistic regression. The prevalence of MetSyn was 28.3%. Firefighters in the lowest fitness category (METS <= 10) had a nearly 10-fold higher prevalence of MetSyn (51.2%) compared with colleagues in the highest fitness category (METS > 14) (MetSyn prevalence 5.2%) (p value < 0.0001, adjusted for age). In multivariate regression models, every 1-unit increase in METS decreased the odds of having the MetSyn by 31% (odds ratio 0.69 [95% confidence interval 0.63-0.76] [age adjusted]), whereas age had no significant effect after adjusting for CRF. We found a high prevalence of the MetSyn in this group of career emergency responders expected to be more active, fit, and relatively younger than the general population. Moreover, there is a highly significant inverse, dose-response association with CRF. Firefighters should be given strong incentives to improve their fitness, which would decrease prevalent MetSyn, a likely precursor of on-duty CVD events and contributor to CVD burden in this population.
Description: The authors would like to thank all of the participating firefighters and Fire Departments, the staff and clinical leadership of the clinics who examined the firefighters, Dr. Sara Jahnke, Ms. Brianne Tuley, Dr. Antonios Tsismenakis, 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 Fire-fighters 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). S.N. Kales has served as expert witness in medicolegal cases involving firefighters. The other authors report no conflict of interest.
URI: http://ktisis.cut.ac.cy/handle/10488/3725
ISSN: 1064-8011
DOI: 10.1519/JSC.0b013e31823e9b19
Rights: LIPPINCOTT WILLIAMS & WILKINS
Type: Article
Appears in Collections:Άρθρα/Articles

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