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Using Smartwatch and Bluetooth Beacons to Monitor Physical Activity of Older Adults

  • Author(s): Xie, Zhuoer
  • Advisor(s): Suchard, Marc
  • et al.
Abstract

Objective

We used a novel Sensing At-Risk Population (SARP) system to monitor patients’ physical activity and locations during post-acute rehabilitation; To (1) examine the correlation between SARP measurements and standard physical (PT) and occupational therapists (OT) and nurse (RN) evaluations; (2) examine the effectiveness of SARP to discriminate discharge dispositions.

Methods

Participants were instructed to wear the smartwatch and receive physical and occupational therapy. Spearman correlations were used to determine the associations between SARP measurements and in-person evaluations. Univariate logistic regression was used to identify predictors of discharge dispositions.�

Results

SARP measurements and PT/OT/RN evaluations were correlated significantly. SARP indicated that participants were active for only 5 minutes/hour during post-acute rehabilitation. SARP significantly predicted hospital readmission (AUC>70%).

Conclusions

SARP provides physical activity information during post-acute rehabilitation in real-time. Not only is SARP significantly correlated with PT/OT/RN evaluations, but it also helps to discern discharge dispositions.

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