KMAN Publication Inc. (KMANPUB) KMAN Counseling & Psychology Nexus 3041-9026 4 Serial Number 6 2026 05 10 The Mediating Role of Perceived Stress and Coping Styles in the Association Between Sleep Quality and Job Burnout Among Physicians at Medical Centers Affiliated with Mashhad University of Medical Sciences The Mediating Role of Perceived Stress and Coping Styles in the Association Between Sleep Quality and Job Burnout Among Physicians at Medical Centers Affiliated with Mashhad University of Medical Sciences 1 10 EN Journal Article 2025 12 04 <p>The present study aimed to investigate the mediating role of perceived stress and coping styles in the relationship between sleep quality and job burnout among physicians working in medical centers affiliated with Mashhad University of Medical Sciences. This study employed a descriptive–correlational design and was conducted using structural equation modeling (SEM). The statistical population consisted of physicians employed in medical centers affiliated with Mashhad University of Medical Sciences as well as active clinics across Mashhad during the 2024–2025 academic year. Based on Cochran’s formula, a final sample size of 367 participants was determined. Data were collected using the Pittsburgh Sleep Quality Index (PSQI), the Maslach Burnout Inventory (MBI), and the Perceived Stress Scale developed by Cohen et al. (1983). Data analysis was performed using SPSS version 26 and SMART PLS 3 software. The results indicated that the mediating role of perceived stress and coping styles in the relationship between sleep quality and job burnout was confirmed. The indirect effect (0.331) was greater than the direct effect (0.187), highlighting the substantial importance of the mediating variables in this relationship.</p> https://www.journals.kmanpub.com/index.php/psychnexus/article/download/5311/9818