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

operation under general anaesthesia

Our Classification

Operationalization

Single question:
"Have you ever undergone an operation under general anaesthesia?"
1: No
2: Not sure
3: Yes

Observed Relation with Happiness