- 46+ aged whites, North Carolina, USA, followed from 1968 to 1976.
- N = 375
- Non Response:
Whole-day interviews, tests and examinations. Rounds in longitudinal study; examined period: 1968/70 N=502, 1970/72 N= 443, 1972/74 N= 378, 1974/76 N= 375
- Authors's label
- later performance status (Physical function)
- Our Classification
- Rating by physician based on his examination, the medical history and the results of laboratory tests.
The ratings had a theoretical range of 1 for "moribund": fatal processes progressing rapidly" to 10 for "normal": no complaints; no evidence of disease.
Assessed at T2.