mHealth for Data Collection and Research

Using Patient-Held Devices to Measure Variations in Resting Heart Rate and Step Count Prior to Presentation With an Acute Illness: International, Multicenter Flash Mob Feasibility Study

Jason G A den Duijn, Ahmed A M Hajjaj, John Kellett, Erika Frischknecht Christensen, Harm R Haak, Mikkel Brabrand, Christian H Nickel, Prabath W B Nanayakkara, Christian P Subbe, Jelmer Alsma, Safer@Home, Research Consoritum Acute Medicine (ORCA)

JMIR Cardio 2025 (Dec 15); 9:e76218

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Smartwatch-Derived Digital Phenotypes Relate to Psychopathology Dimensions in Patients With Psychotic Spectrum Disorders: Longitudinal Observational Study

Vasiliki Garyfalli, Emmanouil Kalisperakis, Alexandros Smyrnis, Marina Lazaridi, Thomas Karantinos, Asimakis Mantas, Panagiotis P Filntisis, Niki Efthymiou, Athanasia Zlatintsi, Petros Maragos, Nikolaos Smyrnis

JMIR Ment Health 2025 (Dec 12); 12:e75774

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Evaluating the Quality and Features of Visual Acuity Apps Using the Mobile App Rating Scale: Systematic Review

P Connor Lentz, Emily Dorairaj, Pranav Vasu, Isabella Wagner, Jaxson Jeffery, Farha Deceus, Nithya Boopathiraj, Yazan Abubaker, Darby D Miller, Antonio Jorge Forte, Syril Dorairaj

JMIR Mhealth Uhealth 2025 (Dec 12); 13:e65997

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Stakeholder Criteria for Trust in Artificial Intelligence–Based Computer Perception Tools in Health Care: Qualitative Interview Study

Ansh Rai, Meghan E Hurley, John Herrington, Eric A Storch, Casey J Zampella, Julia Parrish-Morris, Anika Sonig, Gabriel Lázaro-Muñoz, Kristin Kostick-Quenet

J Med Internet Res 2025 (Dec 12); 27:e78757

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Lumbar Acceleration Gait Estimation: “Step-by-Step” Algorithm Updates and Improvements

Lukas Adamowicz, Wenyi Lin, F Isik Karahanoglu, Xuemei Cai, Mar Santamaria, Charmaine Demanuele, Junrui Di

J Med Internet Res 2025 (Dec 12); 27:e72831

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The Challenge of Measuring Exercise: Advancing Metrological Barriers in Wearable Sensing

Jennifer L Corso, Evan Peikon

JMIR Mhealth Uhealth 2025 (Dec 10); 13:e79347

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Effects of a Walking-Based Physical Activity Intervention on Health Indicators in University Students: Protocol for a Randomized Controlled Trial

Andrés Godoy-Cumillaf, Paola Fuentes-Merino, Frano Giakoni-Ramírez, Catalina Muñoz-Strale, Josivaldo de Souza-Lima, Daniel Duclos-Bastías, Maribel Parra-Saldías, José Bruneau-Chávez, Eugenio Merellano-Navarro

JMIR Res Protoc 2025 (Dec 10); 14:e83983

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Daily-Life Walking Characteristics of Older Adults in Relation to Age, Sex, and Physical Function: the HUNT4 Trondheim 70+ Observational Study

Karoline Blix Grønvik, Anisoara Paraschiv-Ionescu, Gro Gujord Tangen, Øyvind Salvesen, Jorunn Lægdheim Helbostad, Nina Skjæret-Maroni, Beatrix Vereijken

JMIR Aging 2025 (Dec 04); 8:e75835

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Self-Reported Triggers Evaluation of High-Risk Dietary and Environmental Factors Preceding Migraine Onset by Using a Mobile Tracking App (Migraine Insight): Comparative Analysis Study

Christina Wornom, Brooklyn Brekke-Kumley, Tavsimran Luthra, Lynn J Smith, Jane C Harrington

JMIR Form Res 2025 (Dec 03); 9:e59951

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Digital Biometrics in Predicting Risk for Obstructive Sleep Apnea and Hypertension: Decentralized, Prospective Cohort Study

Natalia Orendain, Samantha Spierling Bagsic, Edward Ramos, Jay Pandit, Robert L Owens, Stuti Jaiswal

J Med Internet Res 2025 (Dec 03); 27:e77641

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Exploring Age-Related Patterns in Smartphone Keystroke Dynamics Considering Temporal Variability: Cross-Sectional Study With AI-Based Analysis

Junhyung Moon, Yu Lim Huh, Hee Young Cho, Chaeyeon Kim, Hyeongrae Lee, Dong Pyo Jang, Baek Hwan Cho

JMIR Mhealth Uhealth 2025 (Dec 02); 13:e80094

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A 6-Month Evaluation of the Peer-Ceived Momentary Assessment Method in a Small Sample of Liver Transplant Patients and Their Support Persons: Longitudinal Observational Study

Allan Berrocal, Waldo Concepcion, Katarzyna Wac

JMIR Form Res 2025 (Nov 27); 9:e55907

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Three Body-Worn Accelerometers in the French NutriNet-Santé Cohort: Feasibility and Acceptability Study

Abdouramane Soumaré, Léopold K Fezeu, Jérôme Bouchan, Fabienne Delestre, Alice Bellicha, Greet Cardon, Alan Donnelly, Antje Hebestreit, Mathilde Touvier, Jean-Michel Oppert, Jérémy Vanhelst

JMIR Form Res 2025 (Nov 20); 9:e76167

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Dynamic Assessment of Fine Motor Control and Vocalization in Parkinson Disease Through a Smartphone App: Cross-Sectional Study of Time-Severity Interaction Effects

Youho Myong, Seo Jung Yun, Kyudong Park, Byung-Mo Oh, Han Gil Seo

JMIR Mhealth Uhealth 2025 (Nov 13); 13:e69028

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Evaluation of the Accuracy, Usability, and User Perspectives of the Ecological Momentary Dietary Assessment App Traqq Among Dutch Adolescents: Protocol for a Mixed Methods Study

Lieke L E Kennes, Desiree A Lucassen, Anouk M M Vaes, Annemarie Wagemakers, Indre Kalinauskaite, Edith J M Feskens, Elske M Brouwer-Brolsma

JMIR Res Protoc 2025 (Nov 11); 14:e70194

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Analyzing Sleep Behavior Using BERT-BiLSTM and Fine-Tuned GPT-2 Sentiment Classification: Comparison Study

Yihan Deng, Julia van der Meer, Athina Tzovara, Markus Schmidt, Claudio Bassetti, Kerstin Denecke

JMIR Med Inform 2025 (Nov 10); 13:e70753

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Key Features of Digital Phenotyping for Monitoring Mental Disorders: Systematic Review

Hyun Woo Jung, Do Yeon Kim, Ilju Lee, Ok Kim, Seungjin Lee, Sujin Lee, Un Sun Chung, Jae-Hyun Kim, Sehwan Kim, Jung Won Kim, Ah Lahm Shin, Jung Jae Lee

J Med Internet Res 2025 (Nov 05); 27:e77331

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Beyond Comparing Machine Learning and Logistic Regression in Clinical Prediction Modelling: Shifting from Model Debate to Data Quality

Yanan Hu, Xin Zhang, Valerie Slavin, Yitayeh Belsti, Sofonyas Abebaw Tiruneh, Emily Callander, Joanne Enticott

J Med Internet Res 2025 (Nov 05); 27:e77721

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Adherence to Actigraphic Devices in Elementary School–Aged Children: Systematic Review and Meta-Analysis

Anna C Morris, Asilay Seker, Laurence Telesia, Alice Wickersham, Brian CF Ching, Rahul Roy, Sophie Epstein, Faith Matcham, Edmund Sonuga-Barke, Johnny Downs

J Med Internet Res 2025 (Nov 03); 27:e79718

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Detecting Perceived Unfair Treatment Among US College Students Using Mobile Sensing: Pilot Machine Learning Study

Yiyi Ren, Raghu Mulukutla, Jennifer Mankoff, Anind K Dey

JMIR Form Res 2025 (Oct 31); 9:e78657

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