Journal
JOURNAL OF THE AMERICAN MEDICAL DIRECTORS ASSOCIATION
Volume 22, Issue 2, Pages 425-432Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jamda.2020.06.027
Keywords
Accelerometer; physical performance; hospitalization; post-acute care; postdischarge; older adults
Categories
Funding
- Netherlands Organisation for Health Research and Development (NWO-ZonMw) [16156071]
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The study found that step numbers doubled 1 day after discharge, physical performance and steps during hospitalization were associated with step numbers after discharge, and step numbers after discharge were related to functional decline 1 month after discharge.
Objectives: To determine the number of steps taken by older patients in hospital and 1 week after discharge; to identify factors associated with step numbers after discharge; and to examine the association between functional decline and step numbers after discharge. Design: Prospective observational cohort study conducted in 2015-2017. Setting and Participants: Older adults (>= 70 years of age) acutely hospitalized for at least 48 hours at internal, cardiology, or geriatric wards in 6 Dutch hospitals. Methods: Steps were counted using the Fitbit Flex accelerometer during hospitalization and 1 week after discharge. Demographic, somatic, physical, and psychosocial factors were assessed during hospitalization. Functional decline was determined 1 month after discharge using the Katz activities of daily living index. Results: The analytic sample included 188 participants [mean age (standard deviation) 79.1 (6.7)]. One month postdischarge, 33 out of 174 participants (19%) experienced functional decline. The median number of steps was 656 [interquartile range (IQR), 250-1146] at the last day of hospitalization. This increased to 1750 (IQR 675e4114) steps 1 day postdischarge, and to 1997 (IQR 938-4098) steps 7 days postdischarge. Age [beta = similar to 57.93; 95% confidence interval (CI) similar to 111.15 to similar to 4.71], physical performance (beta = 224.95; 95% CI 117.79-332.11), and steps in hospital (beta = 0.76; 95% CI 0.46-1.06) were associated with steps postdischarge. There was a significant association between step numbers after discharge and functional decline 1 month after discharge beta = -1400; 95% CI -2380 to -420; P = .005). Conclusions and Implications: Among acutely hospitalized older adults, step numbers double 1 day postdischarge, indicating that their capacity is underutilized during hospitalization. Physical performance and physical activity during hospitalization are key to increasing the number of steps postdischarge. The number of steps 1 week after discharge is a promising indicator of functional decline 1 month after discharge. (C) 2020 The Author(s). Published by Elsevier Inc. on behalf of AMDA - The Society for Post-Acute and Long-Term Care Medicine. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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