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Correlational findings

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
by post

Correlate

Authors's label
Age ecstasy initiation
Our Classification
Operationalization
Selfreport on single question related to first time use ecstasy:
0 never (reference)
1 under 16
2 16 or over

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLW-u-sq-v-2-b b = 2.16 p < .01 under 16:      (vs never) CI95 [1,34-5,09] O-SLW-u-sq-v-2-b b = 1.18 ns 16 or over:    (vs never) CI95 [0,81-1,72]

b's controlled for:
- sociodemographic factors
  - sexe
  - age
  - relative income
- subjective wellbeing
  - considered suicide in the last year
  - felt sad and hopeless
  - health in the last month
- use of stimulants
  - times drunk last month
  - use of cannabis
  - age first use of cocaine
- country