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Background: The Maslach Burnout Inventory-General Survey (MBI-GS) stands as the preeminent tool for assessing burnout across various professions. Although the MBI-GS9 emerged as a derivative of the MBI-GS and has seen extensive use over several years, a comprehensive examination of its psychometric properties has yet to be undertaken. Methods: This study followed the Standards for Educational and Psychological Testing guidelines to validate the MBI-GS9. Employing a combined approach of classical test theory and item response theory, particularly Rasch analysis, within an integrated framework, the study analyzed data from 16,132 participants gathered between 2005 and 2015 by the Centre for Organizational Research at Acadia University. Results: The findings revealed that the MBI-GS9 exhibited satisfactory reliability and validity akin to its predecessor, the MBI-GS. Across its three dimensions, Cronbach's a and omega coefficients ranged from 0.84 to 0.91. Notably, the MBI-GS9 displayed no floor/ceiling effects and demonstrated good item fit, ordered threshold, acceptable person and item separation and reliability, clear item difficulty hierarchy, and a well-distributed item threshold. However, the results suggested a recommended minimum sample size of 350 to mitigate potential information loss when employing the MBI-GS9. Beyond this threshold, the observed mean difference between the MBI-GS and MBI-GS9 held minimal practical significance. Furthermore, measurement equivalence tests indicated that the MBI-GS9 maintained an equivalent three-factor structure and factor loadings across various gender, age, and continent groups, albeit with inequivalent latent values across continents. Conclusion: In sum, the MBI-GS9 emerges as a reliable and valid alternative to the MBI-GS, particularly when utilized within large, diverse samples across different age and gender demographics. However, to address potential information loss, a substantial sample size is recommended when employing the MBI-GS9. In addition, for cross-cultural comparisons, it is imperative to initially assess equivalence across different language versions at both the item and scale levels. [ABSTRACT FROM AUTHOR]

The COVID-19 pandemic has increased physician burnout beyond high baseline levels. We aimed to determine whether pandemicrelated factors contribute to physician burnout beyond known organizational factors. This was a cross-sectional survey of Canadian physicians using a convenience sample. Eligible participants included any physician currently holding a license to practice in Canada. Responses were gathered from May 13 to 12 June 2020. Risk factors measured included the newly developed Pandemic Experiences and Perceptions Scale (PEPS) subscales, contact with virus, pandemic preparation, and provincial caseload. The primary outcome was the Maslach Burnout Inventory (MBI). The primary outcome was completed by 309 respondents. Latent profile analysis found 107 (34.6%) respondents were burned out. In multivariate analysis, exhaustion was independently associated with PEPS adequacy, risk perception, and worklife subscales (adjusted R2 = 0.236, P < 0.001). Cynicism was associated with exhaustion, and PEPS worklife (adjusted R2 = 0.543, P < 0.001). Efficacy was associated with cynicism, PEPS worklife, and active cases (adjusted R2 = 0.152, P < 0.001). Structural equation modelling showed statistically significant direct paths between PEPS areas of worklife and all MBI subscales. Contact with virus, preparation, and PEPS risk perception added to the prediction of MBI exhaustion. Among a sample of Canadian physicians during the COVID-19 pandemic, adequacy of resources, risk perception, and quality of worklife were associated with burnout indices. To mitigate physician burnout organizations should work to improve working conditions, ensure adequate resources, and foster perceived control of risk of transmission. [ABSTRACT FROM AUTHOR]