Measuring intra-individual physical activity variability using consumer-grade activity devices

Many existing sedentary behavior and physical activity studies focus on primary outcomes that assess change by comparing participants' activity from baseline to post-intervention. With the widespread availability of consumer-grade devices that track activity daily, researchers do not need to re...

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Main Authors: Vered Lev, Marily A. Oppezzo
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-09-01
Series:Frontiers in Digital Health
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fdgth.2023.1239759/full
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author Vered Lev
Marily A. Oppezzo
author_facet Vered Lev
Marily A. Oppezzo
author_sort Vered Lev
collection DOAJ
description Many existing sedentary behavior and physical activity studies focus on primary outcomes that assess change by comparing participants' activity from baseline to post-intervention. With the widespread availability of consumer-grade devices that track activity daily, researchers do not need to rely on those endpoint measurements alone. Using activity trackers, researchers can collect remote data about the process of behavior change and future maintenance of the change by measuring participants’ intra-individual physical activity variability. Measuring intra-individual physical activity variability can enable researchers to create tailored and dynamic interventions that account for different physical activity behavior change trajectories, and by that, improve participants' program adherence, enhance intervention design and management, and advance interventions measurements' reliability. We propose an application of intra-individual physical activity variability as a measurement and provide three use cases within interventions. Intra-individual physical activity variability can be used: prior to the intervention period, where relationships between participants' intra-individual physical activity variability and individual characteristics can be used to predict adherence and subsequently tailor interventions; during the intervention period, to assess progress and subsequently boost interventions; and after the intervention, to obtain a reliable representation of the change in primary outcome.
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spelling doaj.art-8bc2e7ca48914bce9752fe1cfd284b5d2023-09-06T17:04:13ZengFrontiers Media S.A.Frontiers in Digital Health2673-253X2023-09-01510.3389/fdgth.2023.12397591239759Measuring intra-individual physical activity variability using consumer-grade activity devicesVered Lev0Marily A. Oppezzo1Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, CA, United StatesDepartment of Medicine, Stanford Prevention Research Center, Stanford University, Stanford, CA, United StatesMany existing sedentary behavior and physical activity studies focus on primary outcomes that assess change by comparing participants' activity from baseline to post-intervention. With the widespread availability of consumer-grade devices that track activity daily, researchers do not need to rely on those endpoint measurements alone. Using activity trackers, researchers can collect remote data about the process of behavior change and future maintenance of the change by measuring participants’ intra-individual physical activity variability. Measuring intra-individual physical activity variability can enable researchers to create tailored and dynamic interventions that account for different physical activity behavior change trajectories, and by that, improve participants' program adherence, enhance intervention design and management, and advance interventions measurements' reliability. We propose an application of intra-individual physical activity variability as a measurement and provide three use cases within interventions. Intra-individual physical activity variability can be used: prior to the intervention period, where relationships between participants' intra-individual physical activity variability and individual characteristics can be used to predict adherence and subsequently tailor interventions; during the intervention period, to assess progress and subsequently boost interventions; and after the intervention, to obtain a reliable representation of the change in primary outcome.https://www.frontiersin.org/articles/10.3389/fdgth.2023.1239759/fullbehavior changesedentary behaviorsphysical activity interventionactivity trackersintra-individualwearables
spellingShingle Vered Lev
Marily A. Oppezzo
Measuring intra-individual physical activity variability using consumer-grade activity devices
Frontiers in Digital Health
behavior change
sedentary behaviors
physical activity intervention
activity trackers
intra-individual
wearables
title Measuring intra-individual physical activity variability using consumer-grade activity devices
title_full Measuring intra-individual physical activity variability using consumer-grade activity devices
title_fullStr Measuring intra-individual physical activity variability using consumer-grade activity devices
title_full_unstemmed Measuring intra-individual physical activity variability using consumer-grade activity devices
title_short Measuring intra-individual physical activity variability using consumer-grade activity devices
title_sort measuring intra individual physical activity variability using consumer grade activity devices
topic behavior change
sedentary behaviors
physical activity intervention
activity trackers
intra-individual
wearables
url https://www.frontiersin.org/articles/10.3389/fdgth.2023.1239759/full
work_keys_str_mv AT veredlev measuringintraindividualphysicalactivityvariabilityusingconsumergradeactivitydevices
AT marilyaoppezzo measuringintraindividualphysicalactivityvariabilityusingconsumergradeactivitydevices