Patient Engagement in a Mobile App–Based Rehabilitation Program for Total Hip or Knee Arthroplasty: Secondary Data Analysis of a Randomized Controlled Trial

Qingling Wang   ^{1, 2} , PhD ;   Regina Lai-Tong Lee   ^{2, 3} , PhD ;   Sharyn Hunter   ² , PhD ;   Aiyong Zhu   ¹ , MD ;   Sally Wai-Chi Chan   ⁴ , PhD

¹ School of Nursing and Health Management, Shanghai University of Medicine and Health Sciences, Shanghai, China

² School of Nursing and Midwifery, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, Australia

³ The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China (Hong Kong)

⁴ Tung Wah College, Hong Kong, China (Hong Kong)