Table 1.
Subject Characteristics
| Measure | Young College age | 60-74 year olds | 75-90 year olds | |||
|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | |
| Mean age | 20.4 | 2.2 | 68.3 | 4.4 | 82.0 | 4.1 |
| Years Education | 12.8 | 1.1 | 15.0 | 2.7 | 14.5 | 2.8 |
| MMSE | 28.7 | 1.4 | 28.3 | 1.5 | 28.0 | 1.1 |
| WAIS-III Vocabulary (scaled) | 12.6 | 2.9 | 12.9 | 3.0 | 13.1 | 2.9 |
| WAIS-III Vocabulary (raw) | 46.3 | 10.1 | 51.2 | 10.7 | 49.3 | 10.9 |
| WAIS-III Matrix Reasoning (scaled) | 12.0 | 2.8 | 12.3 | 3.2 | 12.4 | 3.6 |
| WAIS-III Matrix Reasoning (raw) | 19.3 | 4.0 | 15.0 | 5.8 | 11.8 | 5.3 |
| WAIS-III IQ | 113.0 | 14.6 | 114.7 | 16.2 | 115.6 | 14.5 |
| CES-D | 10.8 | 7.7 | 10.0 | 8.9 | 10.5 | 6.4 |
Note. MMSE = Mini-Mental State Examination; WAIS-III = Wechsler Adult Intelligence Scale-3rd edition; CES-D = Center for Epidemiological Studies-Depression Scale.