PES-3 ( Project Evaluatie Stelselherziening / Evaluation of the revision of the Dutch social security system ) investigates the position of clients of the Disablement Insurance Act ( WAO , Wet op de arbeidsongeschiktheidsverzekering ) and was executed by GAK ( Gemeenschappelijk Administratiekantoor , Industrial Insurance Administration Office ) and GMD ( Gemeenschappelijke Medische Dienst , Communal Medical Service ). It may be viewed as a continuation of the project Epidemiology of Incapacity for Work ( P1259 and P1260 ). Topics: employment / health / living conditions / occupations / social welfare / ill-health / unemployment / social security / disabled persons / employees / insurance.Background variables: basic characteristics/ place of birth/ residence/ housing situation/ household characteristics/ characteristics of parental family/household/ occupation/employment/ income/capital assets/ education/ consumption of durables/ readership, mass media, and 'cultural' exposure/ organizational membership