Comparison of Accelerometer Cut Points to Estimate Physical Activity in U.S. Adults

Watson, Kathleen B.; Carlson, Susan; Carroll, Dianna D.; Fulton, Janet E.

doi:10.1080/02640414.2013.847278

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Comparison of Accelerometer Cut Points to Estimate Physical Activity in U.S. Adults

Published Date:

Nov 05 2013

Publisher's site:

http://dx.doi.org/10.1080/02640414.2013.847278

Source:

J Sports Sci. 32(7):660-669.

Language:

English

[PDF-278.39 KB]

Details:

Alternative Title:

J Sports Sci

Personal Author:

Watson, Kathleen B. ; Carlson, Susan ; Carroll, Dianna D. ; Fulton, Janet E. ;

Description:

The purpose of this study was (1) to describe physical activity prevalence, categorised according to the 2008 Physical Activity Guidelines for Americans (2008 Guidelines), using different accelerometer cut points and (2) to examine physical activity prevalence patterns by reported cut points across selected characteristics. Cut points from 9 studies were used to estimate physical activity prevalence in a national adult sample (n = 6547). Estimates were stratified by validation study activity protocols used to derive cut points--ambulatory (walking/running) and lifestyle activities (e.g. gardening, housework, walking). Results showed that the prevalence of meeting the 2008 Guidelines ranged from 6.3% to 98.3% overall and was lower for cut points derived from ambulatory (median = 11.5%, range = 6.3-27.4%) compared to lifestyle (median = 77.2%, range = 60.6-98.3%) protocols. Prevalence patterns across protocols differed for age, but were similar for other characteristics. In conclusion, prevalence of meeting the 2008 Guidelines varied widely, indicating that choice of cut point had an impact on prevalence. To generate future accelerometer cut points one may consider developing cut points for demographic subgroups using a variety of lifestyle physical activities.

Subject:

[+]

Pubmed ID:

24188163

Pubmed Central ID:

PMC4589136

Document Type:

Journal Article

Funding:

IYR4/Intramural CDC HHS/United States

Place as Subject:

United States

Collection(s):

CDC Public Access

Main Document Checksum:

[+]

File Type:

Supporting Files:

nihms722262.nxml

text/plain

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Comparison of Accelerometer Cut Points to Estimate Physical Activity in U.S. Adults

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