Study Ventegodt (1997): study DK 1993
- Public:
- 31-33 aged, born at the university hospital, Denmark, 1993
- Sample:
- Respondents:
- N = 4626
- Non Response:
- 36%
- Assessment:
-
Questionnaire: paper
Data were taken from the medical files of mothers and their babies
Correlate
- Authors's label
- Age of first holding head up
- Our Classification
-
-
- Operationalization
- Age of first holding head up as reported in medical file
1: 1-2 weeks
2: 3-4 weeks
3: 5-6 weeks
4: 7-8 weeks
5: 3-4 months
6: later than 4 months
Observed Relation with Happiness
2: Mt=7.40
3: Mt=7.39
4: Mt=7.60
5: Mt=7.25
6: Mt=9.38
2: Mt=7.40
3: Mt=7.39
4: Mt=7.70
5: Mt=7.50
6: Mt=8.13
2: Mt=7.04
3: Mt=6.94
4: Mt=7.10
5: Mt=6.75
6: Mt=8.13