eTable 1. Overview of the individual surveys conducted in the course of the Epidemiological Survey of Substance Abuse in the period 1995 to 2018.
| Year | N | Age (years) | Response rate | Survey design | Survey type | Reference |
| 2018 | 9267 | 18–64 | 42% | Sample of registered residents. disproportionate sampling, initial contact by post; German-speaking population | Written questionnaire/telephone interview/internet | Atzendorf et al.. 2019 (7) |
| 2015 | 9204 | 18–64 | 52% | Sample of registered residents. disproportionate sampling, initial contact by post; German-speaking population | Written questionnaire/telephone interview/internet | Piontek & Kraus. 2016 (e8) |
| 2012 | 9084 | 18–64 | 54% | Sample of registered residents. disproportionate sampling, initial contact by post; German-speaking population | Written questionnaire/telephone interview/internet | Kraus. Piontek. Pabst & Gomes de Matos. 2013 (e9) |
| 2009 | 8030 | 18–64 | 50% | Sample of registered residents. disproportionate sampling, initial contact by post; German-speaking population | Written questionnaire/telephone interview/internet | Kraus & Pabst. 2010 (e10) |
| 2006 | 7912 | 18–64 | 45% | Sample of registered residents. disproportionate sampling, initial contact by post; German-speaking population | Written questionnaire/telephone interview | Kraus & Baumeister. 2008 (e11) |
| 2003 | 8061 | 18–59 | 55% | Sample of registered residents. disproportionate sampling, initial contact by post; German-speaking population | Written questionnaire | Kraus & Augustin. 2005 (e12) |
| 2000 | 8139 | 18–59 | 51% | Sample of registered residents. age-proportional sampling, postal delivery of questionnaire; German-speaking population | Written questionnaire | Kraus & Augustin. 2001 (e13) |
| 1997 | 8020 | 18–59 | 65% | Random route; ADM design (Bundestag electoral district); age-proportional sampling; personal delivery of questionnaire; German-speaking residential population | Written questionnaire | Kraus & Bauernfeind. 1998 (e14) |
| 1995 | 7833 | 18–59 | 65% | Random route; ADM design (Bundestag electoral district); age-proportional sampling; personal delivery of questionnaire; ‧German-speaking residential population | Written questionnaire | Herbst. Kraus & Scherer. 1996 (e15) |
ADM: Arbeitskreis Deutscher Markt- und Sozialforschungsinstitute e.V. (Association of German Market and Social Research Institutes)