Psychometric validation of the Physician Well-Being Index-Expanded (ePWBI) among physician educators in Hong Kong
Introduction Physician educators’ distress and well-being are of emerging concern in academic medicine. The Physician Well-Being Index-Expanded (ePWBI) is known for measuring physician distress and well-being, yet its psychometric properties in Asian contexts, including Hong Kong (HK), remain unexam...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis Group
2025-12-01
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| Series: | Annals of Medicine |
| Subjects: | |
| Online Access: | https://www.tandfonline.com/doi/10.1080/07853890.2025.2532121 |
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| Summary: | Introduction Physician educators’ distress and well-being are of emerging concern in academic medicine. The Physician Well-Being Index-Expanded (ePWBI) is known for measuring physician distress and well-being, yet its psychometric properties in Asian contexts, including Hong Kong (HK), remain unexamined. This study evaluated the reliability and validity of the ePWBI in determining the distress and well-being of HK physician educators.Method This cross-sectional validation study recruited 333 physician educators using convenience sampling at a HK medical school from October 2020 to January 2021, during the COVID-19 pandemic. Participants voluntarily completed the 9-item ePWBI and 5-item World Health Organization Well-Being Index (WHO-5) instruments in an online survey. Psychometric validation included within-network analyses (confirmatory factor analysis [CFA], one-way ANOVA, independent t-tests), and between-network analyses (ROC curves and correlational analyses with the WHO-5).Results Using data from 333 physician educators, the ePWBI demonstrated excellent construct validity. CFA results indicated good data fit to the a priori model: Comparative Fit Index=0.99, Tucker–Lewis Index=0.99, Standardized Root Mean Square Residual=0.05, and Root Mean Square Error of Approximation=0.02 [90% CI 0.00–0.05]. Most factor loadings ranged from 0.36 to 0.69 and were statistically significant (p<0.05). Significant age differences in distress levels were found [F(4,328)=5.39, p<0.001], with younger educators (aged 20–39) experiencing greater distress. However, no gender differences were observed [t(328)=−1.16, p=0.247]. Between-network analyses revealed significant correlations between the ePWBI and WHO-5 scores (−0.09 to −0.42), along with satisfactory ROC results, indicating acceptable internal consistency and good discriminatory power.Conclusion The ePWBI appears to be a valid and reliable instrument for assessing the distress and well-being of HK physician educators. It shows promise as a tool for identifying those at higher risk of distress who could benefit from early tailored interventions and in practice, it could thereby strengthen mental health support systems in academic medical institutions. |
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| ISSN: | 0785-3890 1365-2060 |