- 62-89 aged females, followed 4 years USA, 1967-71
- N = 44
- Non Response:
- 27%; 24% unattainable, 3% incomplete.
Sructured interview at home.
- Authors's label
- Physical ability
- Our Classification
- 3-item index of direct questions on ease of reading, bending, and use of tub or shower without help (measured at T2).
Observed Relation with Happiness
Happiness assessed at T2.