- 21+ aged, general public, USA, 1957-1976
- N = 4664
- Non Response:
- ± 30%
- Authors's label
- Our Classification
- 1 Parents whose youngest child is of
(Including young adults who have
not yet children and adults who
have passed the childbearing age).
Observed Relation with Happiness
Parents with Non parents
1957 M=0.35 M=0.33
1976 M=0.33 M=0.32
Change between 1957 and 1976 not significant.