Study Ventegodt (1996): study DK 1993

Public:

31-33 aged, Denmark 1993, born in University Hospital in Copenhagen

Sample:

Respondents:

N = 4611

Non Response:

39%

Assessment:

Questionnaire: paper
Mailed questionnaire

Correlate

Authors's label

smoking per day (cigarettes equivalents)

Our Classification

Operationalization

Single question:
"On the average, how much do you smoke a day? (cigarette equivalents)?"
1: 0 (cigarettes)
2: 1-2
3: 3-5
4: 6-10
5: 11-20
6: 21-40
7: > 40

Observed Relation with Happiness