Using Wearable Technology to Quantify Physical Activity Recovery: Secondary Report From the AFTER (App-Facilitated Tele-Rehabilitation) Program for COVID-19 Survivors Randomized Study

Autor: Laura Churchill, Mary Morrow, Jacob J Capin, Sarah E Jolley, Kristine Hare, Samantha MaWhinney, Jennifer E Stevens-Lapsley, Kristine M Erlandson
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: JMIR Rehabilitation and Assistive Technologies, Vol 10, p e43436 (2023)
Druh dokumentu: article
ISSN: 2369-2529
DOI: 10.2196/43436
Popis: BackgroundKnowledge on physical activity recovery after COVID-19 survival is limited. The AFTER (App-Facilitated Tele-Rehabilitation) program for COVID-19 survivors randomized participants, following hospital discharge, to either education and unstructured physical activity or a telerehabilitation program. Step count data were collected as a secondary outcome, and we found no significant differences in total step count trajectories between groups at 6 weeks. Further step count data were not analyzed. ObjectiveThe purpose of this analysis was to examine step count trajectories and correlates among all participants (combined into a single group) across the 12-week study period. MethodsLinear mixed models with random effects were used to model daily steps over the number of study days. Models with 0, 1, and 2 inflection points were considered, and the final model was selected based on the highest log-likelihood value. ResultsParticipants included 44 adults (41 with available Fitbit [Fitbit LLC] data). Initially, step counts increased by an average of 930 (95% CI 547-1312; P
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