Fitness Trackers and Smart Pedometers/Accelerometers

Mobile Health Intervention Promoting Physical Activity in Adults Post Cardiac Rehabilitation: Pilot Randomized Controlled Trial

Linda G Park, Abdelaziz Elnaggar, Sei J Lee, Stephanie Merek, Thomas J Hoffmann, Julia Von Oppenfeld, Nerissa Ignacio, Mary A Whooley

JMIR Form Res 2021 (Apr 16); 5(4):e20468

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Associations of Physical Activity Level and Variability With 6-Month Weight Change Among 26,935 Users of Connected Devices: Observational Real-Life Study

Douae El Fatouhi, Lidia Delrieu, Catherine Goetzinger, Laurent Malisoux, Aurélie Affret, David Campo, Guy Fagherazzi

JMIR Mhealth Uhealth 2021 (Apr 15); 9(4):e25385

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TOP-Net Prediction Model Using Bidirectional Long Short-term Memory and Medical-Grade Wearable Multisensor System for Tachycardia Onset: Algorithm Development Study

Xiaoli Liu, Tongbo Liu, Zhengbo Zhang, Po-Chih Kuo, Haoran Xu, Zhicheng Yang, Ke Lan, Peiyao Li, Zhenchao Ouyang, Yeuk Lam Ng, Wei Yan, Deyu Li

JMIR Med Inform 2021 (Apr 15); 9(4):e18803

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A Home-Based Mobile Health Intervention to Replace Sedentary Time With Light Physical Activity in Older Cancer Survivors: Randomized Controlled Pilot Trial

Cindy K Blair, Elizabeth Harding, Charles Wiggins, Huining Kang, Matthew Schwartz, Amy Tarnower, Ruofei Du, Anita Y Kinney

JMIR Cancer 2021 (Apr 13); 7(2):e18819

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Associations Among Wearable Activity Tracker Use, Exercise Motivation, and Physical Activity in a Cohort of Cancer Survivors: Secondary Data Analysis of the Health Information National Trends Survey

Steven De La Torre, Donna Spruijt-Metz, Albert J Farias

JMIR Cancer 2021 (Apr 12); 7(2):e24828

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The Geriatric Acute and Post-Acute Fall Prevention Intervention (GAPcare) II to Assess the Use of the Apple Watch in Older Emergency Department Patients With Falls: Protocol for a Mixed Methods Study

Daniel H Strauss, Natalie M Davoodi, Margaret Healy, Christopher L Metts, Roland C Merchant, Swechya Banskota, Elizabeth M Goldberg

JMIR Res Protoc 2021 (Apr 01); 10(4):e24455

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Feasibility and Convergent Validity of an Activity Tracker for Low Back Pain Within a Clinical Study: Cross-sectional Study

Linda Xiaoqian Zhuo, Luciana Gazzi Macedo

JMIR Rehabil Assist Technol 2021 (Mar 26); 8(1):e18942

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Measurement of Heart Rate Using the Polar OH1 and Fitbit Charge 3 Wearable Devices in Healthy Adults During Light, Moderate, Vigorous, and Sprint-Based Exercise: Validation Study

David Joseph Muggeridge, Kirsty Hickson, Aimie Victoria Davies, Oonagh M Giggins, Ian L Megson, Trish Gorely, Daniel R Crabtree

JMIR Mhealth Uhealth 2021 (Mar 25); 9(3):e25313

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Factors Affecting the Quality of Person-Generated Wearable Device Data and Associated Challenges: Rapid Systematic Review

Sylvia Cho, Ipek Ensari, Chunhua Weng, Michael G Kahn, Karthik Natarajan

JMIR Mhealth Uhealth 2021 (Mar 19); 9(3):e20738

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Using Wearable Activity Trackers to Predict Type 2 Diabetes: Machine Learning–Based Cross-sectional Study of the UK Biobank Accelerometer Cohort

Benjamin Lam, Michael Catt, Sophie Cassidy, Jaume Bacardit, Philip Darke, Sam Butterfield, Ossama Alshabrawy, Michael Trenell, Paolo Missier

JMIR Diabetes 2021 (Mar 19); 6(1):e23364

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eHealth Program to Reduce Hospitalizations Due to Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Retrospective Study

Amanda R van Buul, Caroline Derksen, Ouke Hoedemaker, Oscar van Dijk, Niels H Chavannes, Marise J Kasteleyn

JMIR Form Res 2021 (Mar 18); 5(3):e24726

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Measuring Criterion Validity of Microinteraction Ecological Momentary Assessment (Micro-EMA): Exploratory Pilot Study With Physical Activity Measurement

Aditya Ponnada, Binod Thapa-Chhetry, Justin Manjourides, Stephen Intille

JMIR Mhealth Uhealth 2021 (Mar 10); 9(3):e23391

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Measurement of Human Walking Movements by Using a Mobile Health App: Motion Sensor Data Analysis

Sungchul Lee, Ryan M Walker, Yoohwan Kim, Hyunhwa Lee

JMIR Mhealth Uhealth 2021 (Mar 05); 9(3):e24194

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A Rest Quality Metric Using a Cluster-Based Analysis of Accelerometer Data and Correlation With Digital Medicine Ingestion Data: Algorithm Development

Zahra Heidary, Jeffrey M Cochran, Timothy Peters-Strickland, Jonathan Knights

JMIR Form Res 2021 (Mar 02); 5(3):e17993

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Assessing the Mental Health of Emerging Adults Through a Mental Health App: Protocol for a Prospective Pilot Study

Asal Yunusova, Jocelyn Lai, Alexander P Rivera, Sirui Hu, Sina Labbaf, Amir M Rahmani, Nikil Dutt, Ramesh C Jain, Jessica L Borelli

JMIR Res Protoc 2021 (Mar 02); 10(3):e25775

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A Fitness App for Monitoring Walking Behavior and Perception (Runkeeper): Mixed Methods Pilot Study

Justin B Hollander, Sara C Folta, Erin Michelle Graves, Jennifer D Allen, Minyu Situ

JMIR Form Res 2021 (Mar 01); 5(3):e22571

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Using Fitbit as an mHealth Intervention Tool to Promote Physical Activity: Potential Challenges and Solutions

Guilherme M Balbim, Isabela G Marques, David X Marquez, Darshilmukesh Patel, Lisa K Sharp, Spyros Kitsiou, Sharmilee M Nyenhuis

JMIR Mhealth Uhealth 2021 (Mar 01); 9(3):e25289

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Relationship Between Mobile Digital Sensor Monitoring and Perioperative Outcomes: Systematic Review

Ali Memon, Patrick Lec, Andrew Lenis, Vidit Sharma, Erika Wood, George Schade, Wayne Brisbane

JMIR Perioper Med 2021 (Feb 25); 4(1):e21571

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Using Consumer-Grade Physical Activity Trackers to Measure Frailty Transitions in Older Critical Care Survivors: Exploratory Observational Study

Ben Kim, Miranda Hunt, John Muscedere, David M Maslove, Joon Lee

JMIR Aging 2021 (Feb 23); 4(1):e19859

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Use of Physiological Data From a Wearable Device to Identify SARS-CoV-2 Infection and Symptoms and Predict COVID-19 Diagnosis: Observational Study

Robert P Hirten, Matteo Danieletto, Lewis Tomalin, Katie Hyewon Choi, Micol Zweig, Eddye Golden, Sparshdeep Kaur, Drew Helmus, Anthony Biello, Renata Pyzik, Alexander Charney, Riccardo Miotto, Benjamin S Glicksberg, Matthew Levin, Ismail Nabeel, Judith Aberg, David Reich, Dennis Charney, Erwin P Bottinger, Laurie Keefer, Mayte Suarez-Farinas, Girish N Nadkarni, Zahi A Fayad

J Med Internet Res 2021 (Feb 22); 23(2):e26107

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