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Purpose:
The aim of this study was to assess the effects of a six-month pedometer-based workplace intervention on changes in resting blood pressure (BP) and cardiorespiratory fitness (CRF).
Asian Journal of Sports Medicine
Sports Medicine Research Center, TUMS
Effects of a 6-Month Walking Study on Blood Pressure and Cardiorespiratory Fitness in U.S. and Swedish Adults: ASUKI Step Study
Author(s):
Ali Soroush2,*, 
Cheryl Der Ananian3, Barbara E. Ainsworth3, Michael Belyea4, Eric Poortvliet1, Pamela D. Swan3, Jenelle Walker3, Agneta Yngve52Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran
3School of Nutrition and Health Promotion, Arizona State University, Phoenix, USA
4College of Nursing and Health Innovation, Arizona State University, Phoenix, USA
1Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden
5School of Hospitality, Culinary Arts and Meal Science, rebro University, Sweden
*Corresponding Author: Unit for Public Health Nutrition, Department of Biosciences and Nutrition, Karolinska Institutet NOVUM, SE 141 57, Stockholm Sweden., [email protected]. Email: [email protected]
Published online:Feb 09, 2013
Article type:Research Article
Received:Nov 07, 2012
Accepted:Jan 20, 2013
How to Cite:Soroush A, Der Ananian C, Ainsworth BE, Belyea M, Poortvliet E, et al. Effects of a 6-Month Walking Study on Blood Pressure and Cardiorespiratory Fitness in U.S. and Swedish Adults: ASUKI Step Study. Asian J Sports Med. 2013;4(2):34492. doi: https://doi.org/10.5812/asjsm.34492
Abstract
Methods:
A subsample of ASUKI Step participants (n= 355) were randomly selected to have changes in their BP and CRF monitored during the intervention. Pedometers were used to monitor steps taken with a goal of walking more than 10,000 steps/day. Systolic and diastolic BP were taken using an Omron automated BP cuff. Estimated VO2 max was obtained using the strand-Rhyming cycle ergometer test. A multi-level growth modeling approach, and a mixed model ANOVA were used to predict changes in systolic and diastolic BP, and estimated VO2 max over time by steps, age, gender, and university site.
Results:
Steps/day averaged 12,256 (SD = 3,180) during month 1 and steadily decreased to month 6. There were significant linear and quadratic trends in systolic and diastolic BP over time. Age was positively related to initial starting values for systolic and diastolic BP, and approached significance for systolic BP changes over time. Steps/day approached significance for linear changes in systolic BP. There was a significant difference between ASU and KI participants estimated VO2 max. There was a significant change over time in the estimated VO2 max. The number of steps taken was significantly related to changes in estimated VO2 max over time.
Conclusions:
The results of the present study indicate that healthy individuals who took part in a pedometer intervention improved several cardiovascular disease risk factors.
Copyright
© 2013, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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