Data and instruments

Questionnaires

Baseline in French, in German or in English.

Follow-up 1 in French, in German or in English.

Follow-up 2 in French, in German or in English.

Follow-up 3 in French, in German or in English.

Instruments and bibliography

Comprehensive list of instruments (baseline, follow-up , follow-up 2 & follow-up 3; bibliography)

Our SPSS data is available upon demand

Baseline: 5'987 respondents (September 2010 - March 2012).

Follow-up 1: 6'020 respondents (March 2012 - January 2014).

Follow-up 2: 5'516 respondents (April 2016 - March 2018).

Follow-up 3: 5'367 respondents (April 2019 - November 2020).

Are you a scientific investigator interested in substance use? The C-SURF Scientific Board strongly encourages scientific collaborations.

You only need to submit a short description of your research project to Prof. Gerhard Gmel ( ). Take a look at our guidelines for scientific collaborations for further details.

Last update : April 2021