Table 1.
Demographic characteristics and means and standard deviations for reserve and neuropsychological variables.
| Group |
||||||
|---|---|---|---|---|---|---|
| Male | Female | Total | ||||
| Variable | M | SD | M | SD | M | SD |
| N | 232 | 472 | 704 | |||
| Age** | 79.12 | 5.11 | 80.46 | 5.72 | 80.02 | 5.56 |
| log transformed WMH | 2.24 | 0.91 | 2.26 | 0.87 | 2.26 | 0.88 |
| Cognitive reserve | ||||||
| Education* | 11.29 | 4.83 | 10.49 | 4.76 | 10.75 | 4.795 |
| WRAT | 43.98 | 11.74 | 43.73 | 10.76 | 43.81 | 11.11 |
| Brain reserve | ||||||
| Cranial Length*** | 188.42 | 6.55 | 180.06 | 6.87 | 182.78 | 7.82 |
| Total cranial volume (mm3)*** | 1233.22 | 120.74 | 1084.75 | 91.05 | 1133.96 | 123.48 |
| Height*** | 169.97 | 9.03 | 157.11 | 7.54 | 161.37 | 10.08 |
| Memory | ||||||
| SRT total*** | 34.16 | 10.32 | 37.27 | 10.37 | 36.24 | 10.45 |
| SRT delayed recall** | 4.39 | 2.48 | 5.04 | 2.68 | 4.83 | 2.63 |
| SRT delayed recog | 10.64 | 1.62 | 10.83 | 1.60 | 10.77 | 1.61 |
| Speed | ||||||
| Color Trails A | 102.27 | 57.85 | 99.81 | 57.29 | 100.64 | 57.45 |
| Color Trails B | 177.60 | 70.58 | 180.78 | 76.33 | 179.70 | 74.38 |
| Visual-spatial | ||||||
| BVRT Recognition | 6.65 | 2.57 | 6.37 | 2.64 | 6.46 | 2.62 |
| BVRT Matching | 8.31 | 2.55 | 8.01 | 2.46 | 8.11 | 2.50 |
| Rosen Drawing test | 2.49 | 1.14 | 2.41 | 1.07 | 2.43 | 1.10 |
| Identities and Oddities | 14.29 | 3.11 | 14.42 | 2.84 | 14.38 | 2.93 |
| Language | ||||||
| BNT spontaneous | 13.62 | 1.72 | 13.61 | 1.71 | 13.61 | 1.71 |
| Similarities* | 12.89 | 7.57 | 11.62 | 7.49 | 12.04 | 7.54 |
| Letter fluency | 10.14 | 6.74 | 9.67 | 4.79 | 9.82 | 5.51 |
| Category fluency | 13.70 | 4.09 | 13.94 | 4.18 | 13.86 | 4.15 |
| Repetition | 7.51 | 1.15 | 7.64 | 0.80 | 7.60 | 0.93 |
| Comprehension | 5.28 | 1.09 | 5.14 | 1.14 | 5.18 | 1.12 |
Note. p < .05.
p < .01.
p<.01