Cohort Study on Substance Use Risk Factors


You were 6'000 young men aged about 22 in the French- and German-speaking part of Switzerland to fill in the two questionnaires of the C-SURF study, THANK YOU! Without you, this study would never have been possible! 

Thanks to your participation, we could collect important data that are unique in Switzerland and rare in Europe. It is now our pleasure to inform you of our first results in our newsletter, which is dedicated to you. Choose the language and click on the picture:

French                                 German


Further results are available in the left menu on the following topics:

Are you interested in our published articles? References are to be found here.

The study goes on

The Swiss National Science Foundation has given us a grant to finance the continuation of the study. The participants will be invited to answer a 4th questionnaire in 2019. We are very grateful to you for your collaboration.


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