Segregating the Distinct Effects of Sedentary Behavior and Physical Activity on Older Adults' Cardiovascular Structure and Function: Part 1-Linear Regression Analysis Approach

Physical behavior [PB, physical activity (PA), and sedentary behavior (SB)] can adjust cardiovascular mortality risk in older adults. The aim of this study was to predict cardiovascular parameters (CVPs) using 21 parameters of PB. Participants [n = 93, 73.8 (6.23) y] wore a thigh-mounted acceleromet...

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Bibliographic Details
Published in:Journal of physical activity & health 2018-07, Vol.15 (7), p.499-509
Main Authors: Ryan, Declan, Wullems, Jorgen, Stebbings, Georgina, Morse, Christopher, Stewart, Claire, Onambele-Pearson, Gladys
Format: Article
Language:English
Subjects:
Exercise
Older people
Regression analysis
Sedentary behavior
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Summary:Physical behavior [PB, physical activity (PA), and sedentary behavior (SB)] can adjust cardiovascular mortality risk in older adults. The aim of this study was to predict cardiovascular parameters (CVPs) using 21 parameters of PB. Participants [n = 93, 73.8 (6.23) y] wore a thigh-mounted accelerometer for 7 days. Phenotype of the carotid, brachial, and popliteal arteries was conducted using ultrasound. Sedentary behavior was associated with one of the 19 CVPs. Standing and light-intensity PA was associated with 3 and 1 CVP, respectively. Our prediction model suggested that an hourly increase in light-intensity PA would be negatively associated with popliteal intima-media thickness [0.09 mm (95% confidence interval, 0.15 to 0.03)]. sMVPA [moderate-vigorous PA (MVPA), accumulated in bouts
ISSN:1543-3080
1543-5474
DOI:10.1123/jpah.2017-0325