This booklet has been complied within Correlation – European Network Social Inclusion & Health. The project aims to improve access to and the improvement of health and social services for marginalised groups and people. Data collection and evaluation are considered as an important measure to improve the knowledge and evidence base in particular for low threshold services.

The booklet scribes the development and the field testing of a data collection protocol for harm reduction agencies and presents the final tool, including a manual. You can find additional information and the inventory on www.correlation-net.org.