“…The study was conducted at a university hospital in Guangzhou, Guangdong, PR, China, specifically in the geriatric department, which includes specialized cardiovascular wards. This department primarily admits patients with stable illnesses who reside in nearby communities or towns (Wang, Wei, et al, 2022). Participants were recruited based on specific inclusion criteria, including (1) individuals in a stable health condition diagnosed with IHD, which includes coronary heart disease, coronary artery disease, myocardial infarction, post‐coronary artery bypass grafting, and post‐percutaneous coronary intervention, (2) being able to communicate in Mandarin, (3) willingness and ability to provide detailed descriptions of their disease management experiences, and (4) meeting the inclusion criteria determined by the Multidimensional Health Locus of Control (MHLC) Scale (Wallston et al, 1978).…”