Accelerometer-derived pattern of sedentary and physical activity time in persons with mobility disability: National Health and Nutrition Examination Survey 2003 to 2006

Manns, Patricia, Ezeugwu, Victor, Armijo-Olivo, Susan, Vallance, Jeff and Healy, Genevieve N. (2015) Accelerometer-derived pattern of sedentary and physical activity time in persons with mobility disability: National Health and Nutrition Examination Survey 2003 to 2006. Journal of the American Geriatrics Society, 63 7: 1314-1323. doi:10.1111/jgs.13490


Author Manns, Patricia
Ezeugwu, Victor
Armijo-Olivo, Susan
Vallance, Jeff
Healy, Genevieve N.
Title Accelerometer-derived pattern of sedentary and physical activity time in persons with mobility disability: National Health and Nutrition Examination Survey 2003 to 2006
Journal name Journal of the American Geriatrics Society   Check publisher's open access policy
ISSN 1532-5415
0002-8614
Publication date 2015-07-01
Year available 2015
Sub-type Article (original research)
DOI 10.1111/jgs.13490
Open Access Status Not yet assessed
Volume 63
Issue 7
Start page 1314
End page 1323
Total pages 10
Place of publication Malden, MA United States
Publisher Wiley-Blackwell Publishing
Language eng
Abstract ObjectivesTo describe objectively determined sedentary and activity outcomes (volume and pattern) and their associations with cardiometabolic risk biomarkers in individuals with and without mobility disability.
Formatted abstract
Objectives
To describe objectively determined sedentary and activity outcomes (volume and pattern) and their associations with cardiometabolic risk biomarkers in individuals with and without mobility disability.

Design
Cross-sectional.

Setting
Population based.

Participants
Community-dwelling older adults (≥60) living in the United States who were participants in the 2003 to 2004 or 2005 to 2006 National Health and Nutrition Examination Survey. Participants were classified as with or without mobility disability according to responses to self-reported questions about ability to walk, climb stairs, and/or use of ambulatory aids.

Measurements
Accelerometer-derived sedentary and activity variables for volume (time in sedentary (<100 counts per minute (cpm)), very light– (100–759 cpm), light- (760–1,951 cpm), and moderate- to vigorous- (≥1,952 cpm) intensity activity and pattern (number of breaks from sedentary time, duration of sedentary bouts, duration of activity bouts). Survey-weighted regression models, adjusted for age, sex, ethnicity, education, and smoking, were used to examine the associations between pattern of activity and cardiometabolic health risk factors (blood pressure, waist circumference, high-density lipoprotein cholesterol).

Results
Of the 2,017 participants, 547 were classified as having a mobility disability. Participants with mobility disability had more sedentary time and less active time than those without. Sedentary bouts were longer and active bouts shorter in those with disability. The total number of sedentary breaks (transitions from sedentary to nonsedentary) differed between groups after adjustment for total sedentary time. Fewer breaks, longer sedentary bouts, and shorter activity bouts were associated with higher average waist circumference regardless of disability status.

Conclusion
This study provides rationale for the development and testing of interventions to change the pattern of activity (e.g., include more breaks and longer activity bout durations) in older adults with mobility disability.
Keyword Older adults
Disability
Sedentary behavior
Cardiovascular health
Pattern of activity
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID PH 12B 7054
APP1057608
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2016 Collection
School of Public Health Publications
 
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