The Netherlands Drug Situation 2010 - Trimbos-instituut

Figure 4.1.1: Estimated number of problem opiate users in Amsterdam by country oforigin10000800060004000200001985 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005 2007 2009Born in the NetherlandsBorn in Surinam, the Netherlands Antilles, Morocco or TurkeyBorn elsewhereTotalProblem opiate users: those users who have medical and/or judicial problems and/or have difficulties controllingtheir addiction. The estimates are based on a 2-sample capture-recapture analysis applied to data from theCentral Methadone Register (CMR). Source: Municipal Health Service Amsterdam.4.2 Data on problem drug users from non-treatment sourcesParagraph 4.1 above already introduced the data base about a field sample of 572 sociallymarginalized problem hard drug users. This data base is officially called the "Data baseproblem hard drug users 2008" (in Dutch: "Database problematische harddrugsgebruikers2008"). The data base is operated by the Trimbos Institute, and is a compilation ofunderlying data bases. The Municipal Health Service Amsterdam (GGD Amsterdam) suppliedthe data for the city of Amsterdam (Buster et al. 2009), the Addiction Research InstituteRotterdam (IVO) supplied the data for the cities of Rotterdam (Schoenmakers etal. 2009b) and The Hague (Schoenmakers et al. 2009a), and finally Bureau INTRAVALdelivered the data for the cities of Utrecht, Groningen, Enschede, Eindhoven, and Heerlen(Biesma et al. 2009).It was found that from the 572 problem drug users, a majority of 441 problem drug users(77.1%) had been in treatment during the past year at an institute for addiction carethat delivers data to the National Alcohol and Drugs Information System (LADIS). The55