Table 1.
Demographic and Clinical Variables
| Demographic Variables | Mean (Standard Deviation) or N (Percent) |
|---|---|
| Race (% white) | 412 (88.03%) |
| Age | 69.03 (7.20) |
| Living status (% with supervision) | 17 (3.63%) |
| Employment status (% employed) | 87 (18.16%) |
| Gender (% female) | 304 (64.96%) |
| Marital Status (% married) | 206 (44.02%) |
| Years of education | 14.39 (2.84) |
| Measures of Executive Function | |
| *D-KEFS Tests | |
| Color Word Condition 4 | 9.91 (3.59) |
| Color Word Condition 3 | 10.10 (3.17) |
| Trail Making Test | |
| ** Trails B/A | 3.27 (0.88–19.50) |
| Repeatable Battery for the Assessment of Neuropsychologic Status (RBANS) | |
| Visuospatial/Construction Score Index | 91.78 (17.37) |
| Immediate Memory Index Score | 96.54 (18.21) |
| Attention Index Score | 98.37 (17.17) |
| Delayed Memory Index Score | 96.17 (15.63) |
| Language Index Score | 97.77 (12.37) |
| Total RBANS Index Score | 94.73(15.95) |
*
D-KEFS: Delis-Kaplan Executive Function Scale;
**
median (range); total n = 468