Abstract: Objective · To investigate the social participation level of young and middle-aged patients with coronary artery bypass grafting (CABG) 3 months after discharge and analyze the influencing factors. Methods · Oct. 2018 to Jul. 2019, 259 patients aged 18-65 after CABG were selected in Ruijin Hospital, Shanghai Jiao Tong University School of Medicineconvenient sampling. Impact on Participation and Autonomy Questionnaire (IPA) was used to investigate the social participation level of the patients 3 months after discharge. General Situation Questionnaire, All Aspects of Health Literacy Scale, Social Support Rate Scale, Coronary Artery Disease Self-management Scale and Medical CopingModes Questionnaire were used to measure the patients social demographic information, disease-related information, health literacy level, social support, self-management level and disease coping style. Results · The score of social participation of young and middle-aged patients with CABG 3 months after discharge was 46.58±8.83. The results of stepwise regression showed that pain (β6.191), life self-care ability (β-0.270), medical resource accessibility (β-3.228), support utilization (β-1.992), social support (β-0.439), and critical health literacy (β-1.325) were the influencing factors of social participation. Conclusion · Within 3 months after the discharge of young and middle-aged CABG patients, the social participation level of the patients should be promotedimproving the pain situation of the patients, improving the support role of the caregivers, making of the medical resources in the community, and providing a reliable way to obtain health information.

Key words: young and middle-aged, coronary artery bypass grafting (CABG), social participation, influencing factor