This is the final version of the questionnaire on drug use among prisoners at European level. The questionnaire is the results of several years of work in the field of drugs and prison, which has included the agreement on a methodological framework or monitoring drug and prison in Europe, the analysis of existing questionnaires and a discussion among high level experts from several European countries and international organizations.

Table of contents:
• General information
• Substance use outside and inside prison
• Substance injecting and other health risk behaviours
• Health status
• Use of health and addiction services