Study Kohler et al. (2005): study DK 2002
- Public
- 20-70 aged identical twins, Denmark, 2002
- Sample
- Respondents
- N = 3226
- Non Response
- 26%
- Assessment
- Questionnaire: Paper & Pencil Interview (PAPI)
Correlate
- Authors's Label
- at least one child
- Our Classification
-
-
- Operationalization
- 0 no
1 yes
Observed Relation with Happiness
- number of additional children
- currently in partnership
- interaction between currently in partnership
- at least one child
- females aged 25-45 years: Beta = +.16 (ns)
- males aged 50-70 years: Beta = -.08 (ns)
- number of additional children
- currently in partnership
- remaining with the same partner as for the first child
- females aged 25-45 years: Beta = +.22 (01)
- males aged 50-70 years: Beta = -.01 (ns)
Regression analysis with following controlled variables yield similar results:
- number of additonal children, currently in partnership, remaining with the same partner as for the first child, number of stepchildren
- number of additonal children, currently in parnership, first birth at or before age 21
also the interaction between partnership and at least one child does not matter
- females, controlled for number of additional children, currently in partnership and interaction between currently in partnership and at least one child Beta = -.06 (ns)
- females, controlled for number of additional children, currently in partnership and remaining with the same partner as for the child Beta = +.00 (ns)
- females, controlled for number of additional children, currently in partnership, remaining with the same partner as for the child and number of stepchildren Beta = +.00 (ns)
- females, controlled for number of additional children, currently in partnership and first birth at or before age 21 Beta = +.04 (ns)
- males, controlled for number of additional children, currently in partnership and first birth at or before age 21 Beta = +.10 (05)