Fitness Trackers and Smart Pedometers/Accelerometers

Acute Exacerbation of a Chronic Obstructive Pulmonary Disease Prediction System Using Wearable Device Data, Machine Learning, and Deep Learning: Development and Cohort Study

Chia-Tung Wu, Guo-Hung Li, Chun-Ta Huang, Yu-Chieh Cheng, Chi-Hsien Chen, Jung-Yien Chien, Ping-Hung Kuo, Lu-Cheng Kuo, Feipei Lai

JMIR Mhealth Uhealth 2021 (May 06); 9(5):e22591

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Usability and Accuracy of a Smartwatch for the Assessment of Physical Activity in the Elderly Population: Observational Study

Matteo Martinato, Giulia Lorenzoni, Tommaso Zanchi, Alessia Bergamin, Alessia Buratin, Danila Azzolina, Dario Gregori

JMIR Mhealth Uhealth 2021 (May 05); 9(5):e20966

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The Effect of Sensor Placement and Number on Physical Activity Recognition and Energy Expenditure Estimation in Older Adults: Validation Study

Anis Davoudi, Mamoun T Mardini, David Nelson, Fahd Albinali, Sanjay Ranka, Parisa Rashidi, Todd M Manini

JMIR Mhealth Uhealth 2021 (May 03); 9(5):e23681

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Long-term Effectiveness of mHealth Physical Activity Interventions: Systematic Review and Meta-analysis of Randomized Controlled Trials

Annette Mönninghoff, Jan Niklas Kramer, Alexander Jan Hess, Kamila Ismailova, Gisbert W Teepe, Lorainne Tudor Car, Falk Müller-Riemenschneider, Tobias Kowatsch

J Med Internet Res 2021 (Apr 30); 23(4):e26699

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Using a Mobile Phone App to Analyze the Relationship Between Planned and Performed Physical Activity in University Students: Observational Study

Matthew T Stewart, Taylor Nezich, Joyce M Lee, Rebecca E Hasson, Natalie Colabianchi

JMIR Mhealth Uhealth 2021 (Apr 29); 9(4):e17581

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Digital Biomarkers of Symptom Burden Self-Reported by Perioperative Patients Undergoing Pancreatic Surgery: Prospective Longitudinal Study

Carissa A Low, Meng Li, Julio Vega, Krina C Durica, Denzil Ferreira, Vernissia Tam, Melissa Hogg, Herbert Zeh III, Afsaneh Doryab, Anind K Dey

JMIR Cancer 2021 (Apr 27); 7(2):e27975

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Effects of an mHealth App (Kencom) With Integrated Functions for Healthy Lifestyles on Physical Activity Levels and Cardiovascular Risk Biomarkers: Observational Study of 12,602 Users

Rikuta Hamaya, Hiroshi Fukuda, Masaki Takebayashi, Masaki Mori, Ryuji Matsushima, Ken Nakano, Kuniaki Miyake, Yoshiaki Tani, Hirohide Yokokawa

J Med Internet Res 2021 (Apr 26); 23(4):e21622

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Consumer-Based Activity Trackers as a Tool for Physical Activity Monitoring in Epidemiological Studies During the COVID-19 Pandemic: Development and Usability Study

André Henriksen, Erlend Johannessen, Gunnar Hartvigsen, Sameline Grimsgaard, Laila Arnesdatter Hopstock

JMIR Public Health Surveill 2021 (Apr 23); 7(4):e23806

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A Technology-Based Physical Activity Intervention for Patients With Metastatic Breast Cancer (Fit2ThriveMB): Protocol for a Randomized Controlled Trial

Siobhan Phillips, Payton Solk, Whitney Welch, Lisa Auster-Gussman, Marilyn Lu, Erin Cullather, Emily Torre, Madelyn Whitaker, Emily Izenman, Jennifer La, Jungwha Lee, Bonnie Spring, William Gradishar

JMIR Res Protoc 2021 (Apr 23); 10(4):e24254

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Results of a Culturally Tailored Smartphone-Delivered Physical Activity Intervention Among Midlife African American Women: Feasibility Trial

Rodney P Joseph, Barbara E Ainsworth, Kevin Hollingshead, Michael Todd, Colleen Keller

JMIR Mhealth Uhealth 2021 (Apr 22); 9(4):e27383

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A Mental Health–Informed Physical Activity Intervention for First Responders and Their Partners Delivered Using Facebook: Mixed Methods Pilot Study

Grace McKeon, Zachary Steel, Ruth Wells, Jill Newby, Dusan Hadzi-Pavlovic, Davy Vancampfort, Simon Rosenbaum

JMIR Form Res 2021 (Apr 22); 5(4):e23432

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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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