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Objectives: To study the prevalence of burnout among non-health care workers (NHCW), the risk and protective factors and to quantify the risk of burnout. Method: We conducted a cross-sectional study on the 3142 NHCW of the University Hospital of Clermont-Ferrand. They received a self-assessment questionnaire. Results: Four hundred thirty seven (13.9%) NHCW completed the questionnaires. More than three quarter (75.4%) of NHCW was in burnout, with one in five (18.7%) having a severe burnout. Job demand was the main factor explaining the increase in exhaustion and overinvestment was the main factor explaining the increase in cynicism. Effort-reward imbalance (ERI) multiplied the risk of severe burnout by 11.2, job strain by 3.32 and isostrain by 3.74. Conclusion: NHCW from hospital staff are at high risk of burnout. The two major models of stress at work, the job demand-control-support and the ERI, were highly predictive of burnout, with strong dose-response relationships.

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