Data Science

Sex Differences in the Variability of Physical Activity Measurements Across Multiple Timescales Recorded by a Wearable Device: Observational Retrospective Cohort Study

Kristin J Varner, Lauryn Keeler Bruce, Severine Soltani, Wendy Hartogensis, Stephan Dilchert, Frederick M Hecht, Anoushka Chowdhary, Leena Pandya, Subhasis Dasgupta, Ilkay Altintas, Amarnath Gupta, Ashley E Mason, Benjamin L Smarr

J Med Internet Res 2025 (Apr 28); 27:e66231

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Prediction of Snacking Behavior Involving Snacks Having High Levels of Saturated Fats, Salt, or Sugar Using Only Information on Previous Instances of Snacking: Survey- and App-Based Study

Shaima Dammas, Tillman Weyde, Katy Tapper, Gerasimos Spanakis, Anne Roefs, Emmanuel M Pothos

JMIR Med Inform 2025 (Apr 23); 13:e57530

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Interoperability Framework of the European Health Data Space for the Secondary Use of Data: Interactive European Interoperability Framework–Based Standards Compliance Toolkit for AI-Driven Projects

Rada Hussein, Amelie Gyrard, Somayeh Abedian, Philip Gribbon, Sara Alabart Martínez

J Med Internet Res 2025 (Apr 23); 27:e69813

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Data Interoperability in Context: The Importance of Open-Source Implementations When Choosing Open Standards

Daniel Kapitan, Femke Heddema, André Dekker, Melle Sieswerda, Bart-Jan Verhoeff, Matt Berg

J Med Internet Res 2025 (Apr 15); 27:e66616

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Dying in Darkness: Deviations From Data Sharing Ethics in the US Public Health System and the Data Genocide of American Indian and Alaska Native Communities

Cason D Schmit, Meghan Curry O’Connell, Sarah Shewbrooks, Charles Abourezk, Fallon J Cochlin, Megan Doerr, Hye-Chung Kum

J Med Internet Res 2025 (Mar 26); 27:e70983

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A Hybrid Deep Learning–Based Feature Selection Approach for Supporting Early Detection of Long-Term Behavioral Outcomes in Survivors of Cancer: Cross-Sectional Study

Tracy Huang, Chun-Kit Ngan, Yin Ting Cheung, Madelyn Marcotte, Benjamin Cabrera

JMIR Bioinform Biotech 2025 (Mar 13); 6:e65001

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Imputation and Missing Indicators for Handling Missing Longitudinal Data: Data Simulation Analysis Based on Electronic Health Record Data

Molly Ehrig, Garrett S Bullock, Xiaoyan Iris Leng, Nicholas M Pajewski, Jaime Lynn Speiser

JMIR Med Inform 2025 (Mar 13); 13:e64354

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Large Language Model–Based Critical Care Big Data Deployment and Extraction: Descriptive Analysis

Zhongbao Yang, Shan-Shan Xu, Xiaozhu Liu, Ningyuan Xu, Yuqing Chen, Shuya Wang, Ming-Yue Miao, Mengxue Hou, Shuai Liu, Yi-Min Zhou, Jian-Xin Zhou, Linlin Zhang

JMIR Med Inform 2025 (Mar 12); 13:e63216

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Impact of Demographic and Clinical Subgroups in Google Trends Data: Infodemiology Case Study on Asthma Hospitalizations

Diana Portela, Alberto Freitas, Elísio Costa, Mattia Giovannini, Jean Bousquet, João Almeida Fonseca, Bernardo Sousa-Pinto

J Med Internet Res 2025 (Mar 10); 27:e51804

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Emerging Domains for Measuring Health Care Delivery With Electronic Health Record Metadata

Daniel Tawfik, Adam Rule, Aram Alexanian, Dori Cross, A Jay Holmgren, Sunny S Lou, Eugenia McPeek Hinz, Christian Rose, Ratnalekha V N Viswanadham, Rebecca G Mishuris, Jorge M Rodríguez-Fernández, Eric W Ford, Sarah T Florig, Christine A Sinsky, Nate C Apathy

J Med Internet Res 2025 (Mar 06); 27:e64721

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Exploring Psychological Trends in Populations With Chronic Obstructive Pulmonary Disease During COVID-19 and Beyond: Large-Scale Longitudinal Twitter Mining Study

Chunyan Zhang, Ting Wang, Caixia Dong, Duwei Dai, Linyun Zhou, Zongfang Li, Songhua Xu

J Med Internet Res 2025 (Mar 05); 27:e54543

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Empowering Health Care Actors to Contribute to the Implementation of Health Data Integration Platforms: Retrospective of the medEmotion Project

Marcel Parciak, Noëlla Pierlet, Liesbet M Peeters

J Med Internet Res 2025 (Mar 04); 27:e68083

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Analysis of Retinal Thickness in Patients With Chronic Diseases Using Standardized Optical Coherence Tomography Data: Database Study Based on the Radiology Common Data Model

ChulHyoung Park, So Hee Lee, Da Yun Lee, Seoyoon Choi, Seng Chan You, Ja Young Jeon, Sang Jun Park, Rae Woong Park

JMIR Med Inform 2025 (Feb 21); 13:e64422

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Using Structured Codes and Free-Text Notes to Measure Information Complementarity in Electronic Health Records: Feasibility and Validation Study

Tom M Seinen, Jan A Kors, Erik M van Mulligen, Peter R Rijnbeek

J Med Internet Res 2025 (Feb 13); 27:e66910

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Subtyping Social Determinants of Health in the "All of Us" Program: Network Analysis and Visualization Study

Suresh K Bhavnani, Weibin Zhang, Daniel Bao, Mukaila Raji, Veronica Ajewole, Rodney Hunter, Yong-Fang Kuo, Susanne Schmidt, Monique R Pappadis, Elise Smith, Alex Bokov, Timothy Reistetter, Shyam Visweswaran, Brian Downer

J Med Internet Res 2025 (Feb 11); 27:e48775

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Use of Digital Health Technologies for Dementia Care: Bibliometric Analysis and Report

Hebatullah Abdulazeem, Israel Júnior Borges do Nascimento, Ishanka Weerasekara, Amin Sharifan, Victor Grandi Bianco, Ciara Cunningham, Indunil Kularathne, Genevieve Deeken, Jerome de Barros, Brijesh Sathian, Lasse Østengaard, Frederique Lamontagne-Godwin, Joost van Hoof, Ledia Lazeri, Cassie Redlich, Hannah R Marston, Ryan Alistair Dos Santos, Natasha Azzopardi-Muscat, Yongjie Yon, David Novillo-Ortiz

JMIR Ment Health 2025 (Feb 10); 12:e64445

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Unveiling Topics and Emotions in Arabic Tweets Surrounding the COVID-19 Pandemic: Topic Modeling and Sentiment Analysis Approach

Farah Alshanik, Rawand Khasawneh, Alaa Dalky, Ethar Qawasmeh

JMIR Infodemiology 2025 (Feb 10); 5:e53434

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ChatGPT for Univariate Statistics: Validation of AI-Assisted Data Analysis in Healthcare Research

Michael R Ruta, Tony Gaidici, Chase Irwin, Jonathan Lifshitz

J Med Internet Res 2025 (Feb 07); 27:e63550

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Identification of Clusters in a Population With Obesity Using Machine Learning: Secondary Analysis of The Maastricht Study

Maik JM Beuken, Melanie Kleynen, Susy Braun, Kees Van Berkel, Carla van der Kallen, Annemarie Koster, Hans Bosma, Tos TJM Berendschot, Alfons JHM Houben, Nicole Dukers-Muijrers, Joop P van den Bergh, Abraham A Kroon, Maastricht Study Management, Iris M Kanera

JMIR Med Inform 2025 (Feb 05); 13:e64479

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The Social Construction of Categorical Data: Mixed Methods Approach to Assessing Data Features in Publicly Available Datasets

Theresa Willem, Alessandro Wollek, Theodor Cheslerean-Boghiu, Martha Kenney, Alena Buyx

JMIR Med Inform 2025 (Jan 28); 13:e59452

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