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The Journal of Sports Medicine and Physical Fitness 2015 October;55(10):1200-6

Copyright © 2015 EDIZIONI MINERVA MEDICA

language: English

The independent roles of cardiorespiratory fitness and sedentary time on chronic conditions and Body Mass Index in older adults

Stathokostas L. 1, 2, Dogra S. 3, Paterson D. H. 1, 2

1 Canadian Centre for Activity and Aging, London, Ontario, Canada; 2 School of Kinesiology, Faculty of Health Sciences, Western University, London, Ontario, Canada; 3 University of Ontario Institute of Technology, Oshawa, Ontario, Canada


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AIM: The aim of this paper was to examine the independent influence of cardiorespiratory fitness and sedentary behavior on chronic disease incidence and body composition in older adults.
METHODS: A sample of 292 community dwelling men and women (mean 69.3±8.1 years) underwent maximal treadmill testing and completed questionnaires relating to their leisure-time physical activity, sedentary time, and health.
RESULTS: The average V O2 of the sample was approximately 21ml.kg-1.min-1 with the average sedentary time being over 3 hours per day. Cardiorespiratory fitness was found to be a stronger predictor of number of chronic conditions and BMI than total physical activity and sedentary. Those with a higher cardiorespiratory fitness had fewer chronic conditions and a lower BMI. No such associations were seen for either total physical activity levels or sedentary time.
CONCLUSION: Cardiorespiratory fitness is a stronger predictor of health among older adults and further highlights the importance of promoting public health guidelines for cardiorespiratory fitness.

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lstatho2@uwo.ca