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Correlational findings

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

Correlate

Authors's label
At least one partnership
Our Classification
Operationalization
Ever had a marital relation in life
0 no
1 yes

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLu-u-sq-v-4-g = WITHIN MONO-ZIGOTIC TWIN-PAIR DIFFERENCES IN HAPPINESS O-SLu-u-sq-v-4-g Beta = + ns Beta controlled for:
- current partnership

- females
  - aged 25-45:  Beta = +.08 (ns)
  - aged 50-70:  Beta = +.01 (ns)
- males
  - aged 25-45:  Beta = +.01 (ns)
  - aged 50-70:  Beta = +.01 (ns)
O-SLu-u-sq-v-4-g Beta = + s Beta controlled for:
- number of additional partnerships

- females
  - aged 25-45:  Beta = +.19 (01)
  - aged 50-70:  Beta = +.12 (ns)
- males
  - aged 25-45:  Beta = +.20 (01)
  - aged 50-70:  Beta = +.18 (05)
O-SLu-u-sq-v-4-g = BETWEEN ALL SUBJECTS DIFFERENCE IN HAPPINESS O-SLu-u-sq-v-4-g = Regressions across all subjects yield similar results, except:
- males aged 50-70, controlled for number of additional partnerships: Beta = +.08 (ns)