Work Hours and Caseload as Predictors of Physician Burnout: The Mediating Effects by Perceived Workload and by Autonomy

Study results are as follows: As expected, workload predicted higher levels of global burnout and physical fatigue, while autonomy predicted lower levels of global burnout. Work hours and caseload predicted global burnout only indirectly, via their effects on either perceived workload or autonomy. These findings suggest that public policies, designed to reduce physician work hours in order to reduce burnout and improve patients’ safety, should take into account physician perceived workload and autonomy.

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