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Accelerometer-Determined Physical Activity in Adults and Older People.
MedLine Citation:
PMID:  21796052     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE:: There is a lack of large-scale comparable data on the population levels of physical activity and sedentary activity. We conducted a cross sectional population-based multicenter study to describe the levels of physical activity and sedentary activity and to determine adherence to current national physical activity recommendations, in Norwegian adults and older people. METHODS:: In 2008 and 2009, physical activity was assessed objectively for seven consecutive days using the ActiGraph GT1M accelerometer in 3,867 participants aged 20- 85 years. A total of 3267 participants provided valid physical activity assessments that met all inclusion criteria. RESULTS:: Women and men did not differ in the overall activity levels (335 and 342 counts per minute, respectively) or in steps per day (8,113 and 7,951 steps per day, respectively). However, for intensity-specific physical activity, men accumulated significantly more minutes of sedentary activity and moderate-to-vigorous (MVPA) physical activity compared with women (557 versus 533 minutes of sedentary activity, P≤0.001, and 35 versus 33 minutes of MVPA, P=0.01). Both overall activity levels and steps per day remained steady with age, until 65 years, after which activity levels declined. CONCLUSIONS:: Overall, the study sample spent 62% of their time being sedentary, 25% in low intensity physical activity, 9% in lifestyle activity and 4% in MVPA. One in five people met current national PA recommendations. These results suggest that adults and older people spend the majority of their time being sedentary, and that adherence to physical activity recommendations is low.
Authors:
Bjorge Herman Hansen; Elin Kolle; Sindre Mikal Dyrstad; Ingar Holme; Sigmund Alfred Anderssen
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-11
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  -     ISSN:  1530-0315     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
1Department of Sports Medicine, Norwegian School of Sport Sciences, P.O. Box 4014 Ullevaal Stadion, 0806 Oslo, Norway. 2Department of Education, University of Stavanger, 4036 Stavanger, Norway.
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