Ntelligently Integrated Digital Rehabilitation Model Combining mHealth and ERAS in Total Hip and Knee Arthroplasty

"This intervention arm is distinguished by the following key features:~Theory-Driven Design: Uniquely integrates three established behavioral theories into its core functionality: Bandura's Self-Efficacy Theory, the Health Belief Model, and Illeris's Learning Model. This theoretical foundation directly informs the app's features to target psychological and behavioral barriers to recovery.~Multi-Functional Platform: Combines several evidence-based components into a single, cohesive platform within the ubiquitous WeChat ecosystem. Key features include:~Visual Goal and Progress Tracking: Provides patients with mastery experiences.~Peer Community (Modeling Community): Features patient stories and videos to provide vicarious experiences and social support.~AI-Powered Persuasion System: Delivers automated, personalized feedback and remote encouragement from healthcare providers.~Built-in Emotional Management Tools: Includes an emotion diary"

Participants received only the standardized Enhanced Recovery After Surgery (ERAS) protocol, representing the conventional care model.