Study Sumnall & Bellis (2010): study ZZ 2010
- Public
- 16-35 aged night scene public, 9 European cities, 2008
- Sample
- Respondents
- N = 1363
- Non Response
- Assessment
- 
        Questionnaire: Paper & Pencil Interview (PAPI)                    
 by post
Correlate
- Authors's Label
- Age of first use of stumulants
- Our Classification
- 
            
- 
                        
- Operationalization
- self report on questions about first time use alcohol, cannabis, cocaine and ecstasy :
 0 never (reference)
 1 under 16
 2 16 or over