The Association of Sitting Time With Sarcopenia Status and Physical Performance at Baseline and 18-Month Follow-Up in the Residential Aged Care Setting
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This study investigated the association of sitting time with sarcopenia and physical performance in residential aged care residents at baseline and 18-month follow-up. Measures included the International Physical Activity Questionnaire (sitting time), European Working Group definition of sarcopenia, and the short physical performance battery (physical performance). Logistic regression and linear regression analyses were used to investigate associations. For each hour of sitting, the unadjusted odds ratio of sarcopenia was 1.16 (95% confidence interval [0.98, 1.37]). Linear regression showed that each hour of sitting was significantly associated with a 0.2-unit lower score for performance. Associations of baseline sitting with follow-up sarcopenia status and performance were nonsignificant. Cross-sectionally, increased sitting time in residential aged care may be detrimentally associated with sarcopenia and physical performance. Based on current reablement models of care, future studies should investigate if reducing sedentary time improves performance among adults in end of life care.
Reid is with the School of Public Health, The University of Queensland, Brisbane, Australia. Keogh and Henwood are with the Faculty of Health Sciences & Medicine, Bond University, Gold Coast, Australia. Keogh is also with Human Potential Centre, AUT University, Auckland, New Zealand; and Cluster for Health Improvement, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Sunshine Coast, Australia. Swinton is with the Robert Gordon University, Aberdeen, Scotland. Gardiner is with the Centre for Health Services Research, The University of Queensland, Woolloongabba, Australia; and Mater Research Institute, The University of Queensland, South Brisbane, Australia. Henwood is also with Southern Cross Care (SA & NT), Glen Osmond, Australia; and the School of Human Movement and Nutritional Sciences, The University of Queensland, Brisbane, Australia.
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