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Feasibility of Using a Commercial Fitness Tracker as an Adjunct to Family-Based Weight Management Treatment: Pilot Randomized Trial

Our aim was to explore whether providing caregivers with a fitness tracker, in addition to providing adolescents with a fitness tracker, would improve an adolescent’s fitness tracker satisfaction, fitness tracker utilization, and physical activity levels.MethodsStudy

Thao-Ly Tam Phan, Nadia Barnini, Sherlly Xie, Angelica Martinez, Lauren Falini, Atiera Abatemarco, Maura Waldron, Jane M Benton, Steve Frankenberry, Cassandra Coleman, Linhda Nguyen, Cindy Bo, George A Datto, Lloyd N Werk

JMIR Mhealth Uhealth 2018;6(11):e10523

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Estimating Maximal Oxygen Uptake From Daily Activity Data Measured by a Watch-Type Fitness Tracker: Cross-Sectional Study

IntroductionCardiorespiratory fitness (CRF) is an important component of physical fitness, representing the body’s ability to take oxygen in and deliver this oxygen to muscle cells throughout the body during physical activity.

Soon Bin Kwon, Joong Woo Ahn, Seung Min Lee, Joonnyong Lee, Dongheon Lee, Jeeyoung Hong, Hee Chan Kim, Hyung-Jin Yoon

JMIR Mhealth Uhealth 2019;7(6):e13327

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Accuracy of a Wrist-Worn Wearable Device for Monitoring Heart Rates in Hospital Inpatients: A Prospective Observational Study

Personal fitness tracker devices in these cases continued to collect data for the full 24-hour period.

Ryan R Kroll, J Gordon Boyd, David M Maslove

J Med Internet Res 2016;18(9):e253

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Physical Activity Trend eXtraction: A Framework for Extracting Moderate-Vigorous Physical Activity Trends From Wearable Fitness Tracker Data

Preprocessing steps must be taken to address biases in device measurement and the highly granular nature of time series data [14].To leverage the strengths of fitness tracker data for MVPA behavior change studies, a framework is necessary to alleviate data

Louis Faust, Cheng Wang, David Hachen, Omar Lizardo, Nitesh V Chawla

JMIR Mhealth Uhealth 2019;7(3):e11075

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Effects of Mobile Health Including Wearable Activity Trackers to Increase Physical Activity Outcomes Among Healthy Children and Adolescents: Systematic Review

Fitness trackers, such as Garmin vívofit jr. and Jawbone UP, are used to promote PA among this target group [27,28].

Birgit Böhm, Svenja D Karwiese, Harald Böhm, Renate Oberhoffer

JMIR Mhealth Uhealth 2019;7(4):e8298

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Why Did It Fail? Surveying Employees to Improve a Tracker-Based Corporate Wellness Initiative

Lisa Gualtieri, Danielle Bradley, Marwah Hassounah, Olivia Kahn-Boesel, Dowon Kim

iproc 2017;3(1):e41

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Fitness-Tracker Assisted Frailty-Assessment Before Transcatheter Aortic Valve Implantation: Proof-of-Concept Study

No patient had physical limitations preventing him/her from wearing an activity tracker.

Markus Mach, Victoria Watzal, Waseem Hasan, Martin Andreas, Bernhard Winkler, Gabriel Weiss, Andreas Strouhal, Christopher Adlbrecht, Georg Delle Karth, Martin Grabenwöger

JMIR Mhealth Uhealth 2020;8(10):e19227

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Physical Activity Assessment Using an Activity Tracker in Patients with Rheumatoid Arthritis and Axial Spondyloarthritis: Prospective Observational Study

Only “full” days were analyzed (ie, at least 8 h recorded by the tracker between the first and the last steps).

Charlotte Jacquemin, Hervé Servy, Anna Molto, Jérémie Sellam, Violaine Foltz, Frédérique Gandjbakhch, Christophe Hudry, Stéphane Mitrovic, Bruno Fautrel, Laure Gossec

JMIR Mhealth Uhealth 2018;6(1):e1

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Four-Year Trends in Sleep Duration and Quality: A Longitudinal Study Using Data from a Commercially Available Sleep Tracker

Moreover, 1 study analyzed a large volume of sleep tracker data and compared sleep before and after major political events [20]; yet otherwise, no research has explored trends over time in sleep data captured by a sleep tracker app or device.ObjectivesWe undertook

Rebecca Robbins, Mahmoud Affouf, Azizi Seixas, Louis Beaugris, George Avirappattu, Girardin Jean-Louis

J Med Internet Res 2020;22(2):e14735

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Comparison of Older and Younger Adults’ Attitudes Toward the Adoption and Use of Activity Trackers

While over half of the Americans reported using a wearable fitness tracker at least once a day, only a little over 20% of the older adults owned an activity tracker in the United States as of 2016 [4].

Sunyoung Kim, Abhishek Choudhury

JMIR Mhealth Uhealth 2020;8(10):e18312

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