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Smartphone Apps and Wearables for Health Parameters in Young Adulthood: Cross-Sectional Study

Smartphone Apps and Wearables for Health Parameters in Young Adulthood: Cross-Sectional Study

For evaluating the main variables monitored through mobile apps and wearables, the variables were divided into specific areas of interest (ie, PA, diet, and mental health) and aggregated into categories based on their similarities.

Gaia Leuzzi, Mirko Job, Aldo Scafoglieri, Marco Testa

JMIR Hum Factors 2025;12:e64629


Assessing the Clinical Feasibility of the DiaFocus System for Integrated Personalized Management of Type 2 Diabetes: 6-Month Pilot Cohort Study

Assessing the Clinical Feasibility of the DiaFocus System for Integrated Personalized Management of Type 2 Diabetes: 6-Month Pilot Cohort Study

Some focus areas were prespecified (blood glucose measurements, diet, activity, and smoking); however, participants could also add a focus area of their own. The participants were subsequently able to track progress related to this area; if the participant and HCP, for example, decided to focus on reducing smoking, the participant could subsequently track and monitor daily smoking habits.

Nanna Lind, Per Bækgaard, Jakob E Bardram, Claus Cramer-Petersen, Kirsten Nørgaard, Merete B Christensen

JMIR Diabetes 2025;10:e63894


Behavior Change Resources Used in Mobile App–Based Interventions Addressing Weight, Behavioral, and Metabolic Outcomes in Adults With Overweight and Obesity: Systematic Review and Meta-Analysis of Randomized Controlled Trials

Behavior Change Resources Used in Mobile App–Based Interventions Addressing Weight, Behavioral, and Metabolic Outcomes in Adults With Overweight and Obesity: Systematic Review and Meta-Analysis of Randomized Controlled Trials

Five subgroup analyses were conducted to explore potential factors influencing the effects of the apps, intervention content (single intervention [diet or PA] versus combined intervention [diet+PA]), theory presence (theory-based versus nontheory-based), intervention duration (short-term [≤3 months] versus medium-term [6 months] versus long-term [>6 months]), number of BCRs used (3 resources vs Among these, the combined intervention demonstrated a greater effect size (MD=−1.82, 95% CI −2.48 to −1.16 kg) compared

Sijia Li, You Zhou, Ying Tang, Haoming Ma, Yuying Zhang, Aoqi Wang, Xingyi Tang, Runyuan Pei, Meihua Piao

JMIR Mhealth Uhealth 2025;13:e63313


Integrating Food Preference Profiling, Behavior Change Strategies, and Machine Learning for Cardiovascular Disease Prevention in a Personalized Nutrition Digital Health Intervention: Conceptual Pipeline Development and Proof-of-Principle Study

Integrating Food Preference Profiling, Behavior Change Strategies, and Machine Learning for Cardiovascular Disease Prevention in a Personalized Nutrition Digital Health Intervention: Conceptual Pipeline Development and Proof-of-Principle Study

Poor diet quality, as well as other lifestyle factors, are significant modifiable risk factors for CVDs [2,3]. These risks can be mitigated through lifestyle changes, such as adopting a healthier diet, increasing physical activity, and reducing tobacco and alcohol use [4,5]. Embracing these habits is crucial for both preventing and managing CVD, as recommended in guidelines [6,7].

Hana Fitria Navratilova, Anthony David Whetton, Nophar Geifman

J Med Internet Res 2025;27:e75106


Shopping Data for Population Health Surveillance: Opportunities, Challenges, and Future Directions

Shopping Data for Population Health Surveillance: Opportunities, Challenges, and Future Directions

Addressing 4 primary modifiable risk factors—tobacco use, unhealthy diet, physical inactivity, and alcohol consumption—could prevent up to 80% of major NCDs [2]. However, monitoring these evolving risk factors at scale remains a major challenge in epidemiology.

Alisha Suhag, Romana Burgess, Anya Skatova

J Med Internet Res 2025;27:e75720


Developing and Evaluating a Bundled Digital Tool to Improve Complex Care and Self-Management of Patients With Inflammatory Bowel Disease: Protocol for a Hybrid Effectiveness-Implementation Study

Developing and Evaluating a Bundled Digital Tool to Improve Complex Care and Self-Management of Patients With Inflammatory Bowel Disease: Protocol for a Hybrid Effectiveness-Implementation Study

Currently, the management of many aspects of IBD, including mental health and diet, falls on the patients, requiring them to self-manage parts of their care [14]. This self-management of the several elements of IBD can be overwhelming and difficult for individuals, and can sometimes result in poor symptom control [15].

Kaitlyn Delaney Chappell, Melissa Fox, Thomas Scott Armstrong, Lekan Ajibulu, Cynthia H Seow, Aldo Montano-Loza, Karen I Kroeker, Gilaad G Kaplan, Kerri Novak, Christopher Ma, Richard Ingram, Frank Hoentjen, Brendan Halloran, Farhad Peerani, Dina Kao, Karen Wong

JMIR Res Protoc 2025;14:e65659


Natural Language Processing Chatbot–Based Interventions for Improvement of Diet, Physical Activity, and Tobacco Smoking Behaviors: Systematic Review

Natural Language Processing Chatbot–Based Interventions for Improvement of Diet, Physical Activity, and Tobacco Smoking Behaviors: Systematic Review

We conducted an extensive electronic search to identify all randomized controlled trials (RCTs) that reported outcomes measured by changes in behaviors in diet, physical activity, or tobacco smoking after the NLP chatbot–based intervention.

Jing Chen, Run-Ze Hu, Yu-Xuan Zhuang, Jia-Qi Zhang, Rui Shan, Yang Yang, Zheng Liu

JMIR Mhealth Uhealth 2025;13:e66403


Quality Assessment of Web-Based Information Related to Diet During Pregnancy in Pregnant Women: Cross-Sectional Descriptive Study

Quality Assessment of Web-Based Information Related to Diet During Pregnancy in Pregnant Women: Cross-Sectional Descriptive Study

To search the websites, this study used terms such as “pregnancy,” “pregnant women,” “diet,” and “nutrition.” Based on these searches, the top 20 Japanese sites were selected for quality evaluation. Studies show that most internet users review only the top 10 search results [15]. To capture broader content, we analyzed the top 20 websites likely accessed for pregnancy-related nutrition information. Searches were conducted in incognito mode with cookies cleared to minimize personalization effects.

Daichi Suzuki, Etsuko Nishimura, Rina Shoki, Ishak Halim Octawijaya, Erika Ota

JMIR Form Res 2025;9:e64630


The Impact of Digital Technology–Based Exercise Combined With Dietary Intervention on Body Composition in College Students With Obesity: Prospective Study

The Impact of Digital Technology–Based Exercise Combined With Dietary Intervention on Body Composition in College Students With Obesity: Prospective Study

Currently, self-monitoring of diet, PA, and weight is considered one of the effective strategies in most weight loss interventions [24,25]. Although self-monitoring has been proven effective in both theory and practice, it often fails to provide immediate feedback on behavioral information such as diet and PA, which can lead to a decrease in compliance.

Chengyuan Hu, Zixin Lv, Jieping Zhu, Chunyuan Lai, Dongjuan Guo, Maolin Chen, Xiaoyan Cheng, Mingxin Rao, Xinyou Zhou, Liqiang Su

J Med Internet Res 2025;27:e65868