This subsidised study into the determinants of negative health perception among unemployed persons and the effects of interventions stems from the 2010 subsidy round Health perception: what is known and where are there gaps? It was carried out by the social healthcare department of Erasmus MC and the AStri policy research and consultancy group with a subsidy from UWV. The full report is available in Dutch: Gezondheidsbeleving van werklozen: Wat is bekend en wat zijn witte vlekken?.