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

Use of cocaine

Our Classification

Operationalization

Selfreport on single question about having used cocaine:
0 never (reference)
1 experimental
2 former
3 occasional
4 regular

Observed Relation with Happiness