- 18-85 aged, general public, United States, 2000-2001
- N = 21572
- Non Response:
- Interview: telephone (CATI)
- Authors's label
- Our Classification
- 34 communities across the USA, representative for the nation.
Observed Relation with Happiness
- marital status.
- education level
So differences in happiness across the 34 communities disappear when individual characyteristics are controlled.