Psychometric properties of the Copenhagen Burnout Inventory (CBI) in Italian Physicians

Main Article Content

Edoardo Nicolò Aiello
Elena Fiabane
Simona Margheritti
Stefano Magnone
Nadia Bolognini
Massimo Miglioretti
Ines Giorgi

Keywords

Copenhagen burnout inventory, Burnout, Physician, Psychometric

Abstract

This study aimed to standardize the Copenhagen Burnout Inventory (CBI), a psychometrically sound, worldwide-spread tool among Italian physicians. Methods: Nine hundred and fifteen Italian physicians were web-administered the CBI, Patient Health Questionnaire-8 (PHQ-8), Generalized Anxiety Disorder-7 (GAD-7) and General Self-Efficacy Scale (GSE). The present CBI included 18 items (range=19-90) assessing Personal, Work-related and Client-related Burnout. Client-related adaptation was performed. Construct validity, factorial structure (Confirmatory Factor Analysis) and internal consistency were tested. Diagnostic accuracy was assessed simultaneously against the PHQ-8, GAD-7 and GSE. All CBI measures yielded optimal internal consistency (Cronbach’s α=0.90-0.96). Results: The CBI met its original three-factor model (CFI=0.94; TLI=0.93; RMSEA=0.09; SRMR=0.04), was positively related to the PHQ-8 (r=0.76) and GAD-7 (r=0.73), whereas negatively with the GSE (r=0.39) and yielded optimal diagnostics (AUC=0.93; sensitivity=0.91 and specificity=0.85 at the optimal cutoff of 69/90). Conclusion: The CBI is thus a valid, reliable, and normed tool to assess burnout levels in physicians.

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