Instruments and Questionnaires for Physical Activity and Lifestyle

Calibration and Validation of Machine Learning Models for Physical Behavior Characterization: Protocol and Methods for the Free-Living Physical Activity in Youth (FLPAY) Study

Samuel Robert LaMunion, Paul Robert Hibbing, Scott Edward Crouter

JMIR Res Protoc 2025 (Apr 16); 14:e65968

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Changes in Physical Activity, Heart Rate, and Sleep Measured by Activity Trackers During the COVID-19 Pandemic Across 34 Countries: Retrospective Analysis

Bastien Wyatt, Nicolas Forstmann, Nolwenn Badier, Anne-Sophie Hamy, Quentin De Larochelambert, Juliana Antero, Arthur Danino, Vincent Vercamer, Paul De Villele, Benjamin Vittrant, Thomas Lanz, Fabien Reyal, Jean-François Toussaint, Lidia Delrieu

J Med Internet Res 2025 (Apr 04); 27:e68199

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Validation of Ecological Momentary Assessment With Reference to Accelerometer Data: Repeated-Measures Panel Study With Multilevel Modeling

Jung Min Noh, SongHyun Im, JooYong Park, Jae Myung Kim, Miyoung Lee, Ji-Yeob Choi

J Med Internet Res 2025 (Apr 01); 27:e59878

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User Experience With a Personalized mHealth Service for Physical Activity Promotion in University Students: Mixed Methods Study

Silke Wittmar, Tom Frankenstein, Vincent Timm, Peter Frei, Nicolas Kurpiers, Stefan Wölwer, Axel Georg Meender Schäfer

JMIR Form Res 2025 (Mar 28); 9:e64384

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The Role of Environmental Factors in Technology-Assisted Physical Activity Intervention Studies Among Older Adults: Scoping Review

Carl-Philipp Jansen, Désirée Nijland, Jean-Michel Oppert, Veysel Alcan, Kirsi E Keskinen, Emmi Matikainen-Tervola, Zada Pajalic, Merja Rantakokko, Signe Tomsone, Essi-Mari Tuomola, Erja Portegijs, Erik J Timmermans

JMIR Mhealth Uhealth 2025 (Mar 13); 13:e59570

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Preadolescent Children Using Real-Time Heart Rate During Moderate to Vigorous Physical Activity: A Feasibility Study

Lincoln Lu, Danielle E Jake-Schoffman, Hannah A Lavoie, Maedeh Agharazidermani, Kristy Elizabeth Boyer

JMIR Hum Factors 2025 (Mar 06); 12:e58715

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Combining Ecological Momentary Assessment and Social Network Analysis to Study Youth Physical Activity and Environmental Influences: Protocol for a Mixed Methods Feasibility Study

Tyler Prochnow, Genevieve F Dunton, Kayla de la Haye, Keshia M Pollack Porter, Chanam Lee

JMIR Res Protoc 2025 (Feb 21); 14:e68667

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Participant Compliance With Ecological Momentary Assessment in Movement Behavior Research Among Adolescents and Emerging Adults: Systematic Review

Shirlene Wang, Chih-Hsiang Yang, Denver Brown, Alan Cheng, Matthew Y W Kwan

JMIR Mhealth Uhealth 2025 (Feb 11); 13:e52887

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A Digital Behavior Change Intervention for Health Promotion for Adults in Midlife: Protocol for a Multidimensional Assessment Study

Dagmar Soleymani, Dominique Pougheon-Bertrand, Rémi Gagnayre

JMIR Res Protoc 2025 (Feb 07); 14:e60559

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Exploring the Feasibility of a 5-Week mHealth Intervention to Enhance Physical Activity and an Active, Healthy Lifestyle in Community-Dwelling Older Adults: Mixed Methods Study

Kim Daniels, Sharona Vonck, Jolien Robijns, Kirsten Quadflieg, Jochen Bergs, Annemie Spooren, Dominique Hansen, Bruno Bonnechère

JMIR Aging 2025 (Jan 27); 8:e63348

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Feature Selection for Physical Activity Prediction Using Ecological Momentary Assessments to Personalize Intervention Timing: Longitudinal Observational Study

Devender Kumar, David Haag, Jens Blechert, Josef Niebauer, Jan David Smeddinck

JMIR Mhealth Uhealth 2025 (Jan 24); 13:e57255

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Postpartum Remote Health Coaching Intervention for Individuals With a Hypertensive Disorder of Pregnancy: Proof-of-Concept Study

Jaclyn D Borrowman, Lucas J Carr, Gary L Pierce, William T Story, Bethany Barone Gibbs, Kara M Whitaker

JMIR Form Res 2025 (Jan 08); 9:e65611

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Accuracy of the Huawei GT2 Smartwatch for Measuring Physical Activity and Sleep Among Adults During Daily Life: Instrument Validation Study

Longfei Mei, Ziwei He, Liang Hu

JMIR Form Res 2024 (Dec 20); 8:e59521

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Using Video Cameras to Assess Physical Activity and Other Well-Being Behaviors in Urban Environments: Feasibility, Reliability, and Participant Reactivity Studies

Jack S Benton, James Evans, Jamie Anderson, David P French

JMIR Public Health Surveill 2024 (Dec 16); 10:e66049

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Whole-Body and Segmental Phase Angles and Cognitive Function in the Older Korean Population: Cross-Sectional Analysis

Jiaren Chen, Jong-Hwan Park, Chien-Yu Lin, Ting-Fu Lai, Du-Ri Kim, Myung-Jun Shin, Eunsoo Moon, Jung Mo Kang, Jong Won Lee, Yoon Jae Cho, Yung Liao, Tae Sik Goh, Jung Sub Lee

JMIR Public Health Surveill 2024 (Dec 16); 10:e63457

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Analysis of Physical Activity Using Wearable Health Technology in US Adults Enrolled in the All of Us Research Program: Multiyear Observational Study

Rujul Singh, Macy K Tetrick, James L Fisher, Peter Washington, Jane Yu, Electra D Paskett, Frank J Penedo, Steven K Clinton, Roberto M Benzo

J Med Internet Res 2024 (Dec 10); 26:e65095

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Tracked Physical Activity Levels Before and After a Change in Incentive Strategy Among UK Adults Using a Rewards App: Retrospective Quasi-Experimental Study

Hannah McCarthy, Henry W W Potts, Abigail Fisher

JMIR Form Res 2024 (Dec 10); 8:e50041

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Impact of Providing a Personalized Data Dashboard on Ecological Momentary Assessment Compliance Among College Students Who Use Substances: Pilot Microrandomized Trial

Ashley Linden-Carmichael, Samuel W Stull, Danny Wang, Sandesh Bhandari, Stephanie T Lanza

JMIR Form Res 2024 (Dec 05); 8:e60193

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Effectiveness of Ayush Rasayana A and B on the Quality of Life of Older Adults: Protocol for a Cluster Randomized Controlled Trial

Pallavi Mundada, Deepa Makhija, Sunita Mata, Kalpana Kachare, Aparna Manathottathil, Abha Sharma, Bhogavalli Chandra Sekhara Rao, Rakesh Rana, Arunabh Tripathi, Kiran Rana, Vandana Joshi, Ashish Raturi, Anukampa Singh, N Srikanth, Rabinarayan Acharya

JMIR Res Protoc 2024 (Nov 11); 13:e58186

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Data Analytics in Physical Activity Studies With Accelerometers: Scoping Review

Ya-Ting Liang, Charlotte Wang, Chuhsing Kate Hsiao

J Med Internet Res 2024 (Sep 11); 26:e59497

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