Study Prins (2008): study NL 2007

Public

12-18 aged, The Netherlands, 2007

Sample

Respondents

N = 15116

Non Response

Assessment

Questionnaire: Conputer Assisted Web Interview (CAWI)

Correlate

Authors's Label

Use of drugs

Our Classification

Distribution

in %
1: 90.98, 2: 8.64; 3: 0.39; 4: 0.00; 5: 0.00

Operationalization

Selfreport on questions about the frequency of use of hard-and softdrugs.
Summed rating
1: no problem behavior
2: some
3: rather
4: serious
5: very serious

Observed Relation with Happiness