Table 1.
Demographic, visual and neuropsychological data (mean (SD))
| Young-Old | Old-Old | |
|---|---|---|
| Age (years)* | 73.93 (3.67) | 84.83 (4.55) |
| Male:Female | 6:9 | 9:14 |
| GDS | 2.73 (2.91) | 3.74 (2.70) |
| Years of Education | 16.47 (3.72) | 16.00 (3.10) |
| Visual Acuity | .75 (.17) | .63 (.18) |
| AMNART | 121.13 (8.52) | 122.78 (7.12) |
| MMSE | 29.53 (.74) | 29.13 (1.29) |
| Executive Capacity (%ile) | 81.50 (7.54) | 80.31 (14.96) |
*
effect of age group: p < .001
GDS = Geriatric Depression Scale;
Visual Acuity1 = based on Snellen 10 feet model wall chart
AMNART = American National Adult Reading Test (estimated intelligence quotient);
MMSE = Mini-Mental State Exam;
Executive Capacity = Average (composite) percentile performance relative to age-appropriate norms on the following tests: Digit Span Backward, Controlled Oral Word Association Test, Letter-Number Sequencing, Trail-Making Test Parts A and B, and Digit-Symbol Coding.