Since January 2006, medical consultants in the Centre region (General Social Security [RG] and the Agricultural Social Mutual Fund [MSA]) have been participating in the medical-administrative component of the Samotrace project. This multi-component project aims to monitor mental health in the workplace. The medical-administrative component is testing an epidemiological analysis of data on the granting of disability pensions for psychiatric disorders. At the end of this first year of data collection, an interim report provides an overview of how this survey is functioning and presents the initial results of the analyses. (Introduction)