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Drugnet Europe News from the European Monitoring Centre for Drugs and Drug Addiction — April–June 2007

Towards new quality criteria for TDI data

New criteria for assessing the scientific quality of data obtained through the EMCDDA’s treatment demand indicator (TDI) were proposed at a working group meeting held in Lisbon on 4 February. Attended by TDI experts from eight countries, the meeting included presentations on the quality tools currently used by the EMCDDA to assess TDI data as well as the results of an external project on assessing treatment data coverage. Also presented was the Dutch TDI data quality-control system.

The experts concluded that the evaluation of TDI data quality should be organised in two categories: the assessment of activities relating to data collection on the one hand, and, on the other, the evaluation of the scientific quality of the data (validity, reliability, consistency).

The new criteria will be discussed in the coming months by a broader group of EMCDDA TDI experts and the national focal points as part of ongoing work to develop a new approach to quality assurance and the assessment of key indicator implementation.

Linda Montanari and Sandrine Sleiman


Drugnet Europe is the EMCDDA's newsletter launched in September 1996. The newsletter provides regular and succint information on the Centre's projects and activities to a broad readership.

Page last updated: Tuesday, 29 April 2008