Association Between Objectively Measured Physical Activity and Cognitive Function in Older Adults-The Reasons for Geographic and Racial Differences in Stroke Study

Objectives To examine the relationship between objectively measured physical activity (PA) and cognitive function in white and black older adults. Design Cross‐sectional. Setting REasons for Geographic and Racial Differences in Stroke (REGARDS) study. Participants Older adults who provided valid dat...

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Bibliographic Details
Published in:Journal of the American Geriatrics Society (JAGS) 2015-12, Vol.63 (12), p.2447-2454
Main Authors: Zhu, Wenfei, Howard, Virginia J., Wadley, Virginia G., Hutto, Brent, Blair, Steven N., Vena, John E., Colabianchi, Natalie, Rhodes, David, Hooker, Steven P.
Format: Article
Language:English
Subjects:
accelerometry
aging
cognitive function
physical activity
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Summary:Objectives To examine the relationship between objectively measured physical activity (PA) and cognitive function in white and black older adults. Design Cross‐sectional. Setting REasons for Geographic and Racial Differences in Stroke (REGARDS) study. Participants Older adults who provided valid data from accelerometer and cognitive function tests (N = 7,098). Measurements Accelerometers provided estimates of PA variables for 4 to 7 consecutive days. PA cut‐points of 50 counts per minute (cpm) and 1,065 cpm were applied to differentiate between being sedentary and light PA and between light and moderate to vigorous PA (MVPA), respectively. Prevalence of cognitive impairment was defined using the Six‐Item Screener (
ISSN:0002-8614
1532-5415
DOI:10.1111/jgs.13829