Table 1.
Demographic, cognitive, and behavioral variables for the total sample
| Variable | Mean (SD) | Range |
|---|---|---|
| n | 200 | |
| Age (years) | 74.8 (6.7) | 65 - 96 |
| Education (years) | 15.8 (2.6) | 8 - 20 |
| Sex (% female) | 77.5% | |
| Race (% Caucasian) | 99.5% | |
| WRAT Reading | 108.2 (7.4) | 81 - 126 |
| RBANS Total Scale | 109.2 (12.8) | 81 - 146 |
| RBANS Immediate Memory Index | 108.1 (14.3) | 57 - 152 |
| RBANS Visuospatial/Constructional Index | 105.6 (14.2) | 64 - 131 |
| RBANS Language Index | 104.5 (11.1) | 75 - 137 |
| RBANS Attention Index | 105.6 (14.6) | 72 - 138 |
| RBANS Delayed Memory Index | 108.6 (10.3) | 75 - 137 |
| HVLT-R Total Recall | 56.1 (8.6) | 26 - 74 |
| HVLT-R Delayed Recall | 53.7 (8.2) | 27 - 67 |
| BVMT-R Total Recall | 48.5 (10.9) | 20 - 75 |
| BVMT-R Delayed Recall | 51.9 (9.7) | 23 - 75 |
| Trial Making Test, Part A | 51.9 (9.6) | 20 - 77 |
| Trial Making Test, Part B | 50.8 (9.7) | 21 - 73 |
| Symbol Digit Modalities Test | 52.8 (8.0) | 27 - 73 |
Note: WRAT Reading = Wide Range Achievement Test – Third and Fourth Edition Reading Subtest, RBANS = Repeatable Battery for the Assessment of Neuropsychological Status, HVLT-R = Hopkins Verbal Learning Test – Revised, BVMT-R = Brief Visuospatial Memory Test – Revised. WRAT score and RBANS scores listed as a Standard Score, and HVLT-R, BVMT-R, Trail Making Tests, and Digit Symbol Modality Test scores are listed as T Scores. All values are Mean (Standard Deviation) unless listed otherwise.