A Bluetooth-Enabled Device for Real-Time Detection of Sitting, Standing, and Walking: Cross-Sectional Validation Study (Preprint)

A thematic cluster analysis of parents’ online discussions about fussy eating (Preprint)

An Intervention to Improve Medication Adherence in People With Heart Disease (Text4HeartII): Randomized Controlled Trial (Preprint)

Characteristics of smart health ecosystems that support self-care among people with heart failure: A scoping review (Preprint)

Client and Clinician Experiences and Perspectives of Exercise Physiology Services During the COVID-19 Pandemic: Qualitative Study (Preprint)

Daily Activity Lifelogs of People With Heart Failure: Observational Study (Preprint)

Determining the Feasibility and Usability of Codesigned Culturally Appropriate Conversational Agent to Support Self-Care (DESI-Heart) In People with Cardiovascular Diseases: Protocol for a Single-Arm Pilot Trial (Preprint)

Development of a Mobile Health Snacktivity App to Promote Physical Activity in Inactive Adults (SnackApp): Intervention Mapping and User Testing Study (Preprint)

Digital Home-Based Self-Monitoring System for People with Heart Failure: Protocol for Development of SmartHeart and Evaluation of Feasibility and Acceptability (Preprint)

Effectiveness of a Smartphone App to Promote Healthy Weight Gain, Diet, and Physical Activity During Pregnancy (HealthyMoms): Randomized Controlled Trial (Preprint)

Engagement With Conversational Agent–Enabled Interventions in Cardiometabolic Disease Management: Protocol for a Systematic Review (Preprint)

Engagement with Conversational Agent-Enabled Interventions in Cardiometabolic Disease Self-Management: A Systematic Review (Preprint)

Evaluating a Remotely Delivered Cardio-Oncology Rehabilitation Intervention for Patients With Breast Cancer (REMOTE-COR-B): Protocol for a Single-Arm Feasibility Trial (Preprint)

Feasibility and Acceptability of Wearable Cameras to Assess Self-care in People With Heart Failure: Pilot Study (Preprint)

Feasibility of Using Games to Improve Healthy Lifestyle Knowledge in Youth Aged 9-16 Years at Risk for Type 2 Diabetes: Pilot Randomized Controlled Trial (Preprint)

Just-In-Time Adaptive Intervention to Sit Less and Move More in People With Type 2 Diabetes: Protocol for a Microrandomized Trial (Preprint)

Mobile and Computer-Based Applications for Rehabilitation Monitoring and Self-Management After Knee Arthroplasty: Scoping Review (Preprint)

Participants’ Engagement and Satisfaction With a Smartphone App Intended to Support Healthy Weight Gain, Diet, and Physical Activity During Pregnancy: Qualitative Study Within the HealthyMoms Trial (Preprint)

Participatory design of a digital platform for cardiovascular disease self-management: mutual learning through an iterative development process (Preprint)

Promotion of Family Routines and Positive Parent-Child Interactions for Obesity Prevention: Protocol for the 3 Pillars Study Randomized Controlled Trial (Preprint)

Smartphone-Based Interventions to Reduce Sedentary Behavior and Promote Physical Activity Using Integrated Dynamic Models: Systematic Review (Preprint)

The Role of a Smart Health Ecosystem in Transforming the Management of Chronic Health Conditions (Preprint)

Toward a Digital Platform for the Self-Management of Noncommunicable Disease: Systematic Review of Platform-Like Interventions (Preprint)

Validation and Acceptability of a Cuffless Wrist-Worn Wearable Blood Pressure Monitoring Device Among Users and Health Care Professionals: Mixed Methods Study (Preprint)