Table 1.
Sample demographic characteristics and cognitive performance stratified by sex
| Whole sample (N = 463) | Males (N = 188) | Females (N = 275) | ||||
|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | |
| Agea | 57.18 | 7.55 | 57.52 | 7.588 | 56.95 | 7.532 |
| Educationa | 13.68 | 3.85 | 14.26 | 3.361 | 13.28 | 3.676 |
| TIVb | 1,489.99 | 148.09 | 1,609.75 | 116.12 | 1,408.12 | 105.8671 |
| MBT‐TPR | 24.02 | 4.55 | 23.68 | 4.604 | 24.25 | 4.513 |
| MBT‐TFR | 16.35 | 5.16 | 15.83 | 4.982 | 16.7 | 5.273 |
| MBT‐TDPR | 23.74 | 4.67 | 23.28 | 4.607 | 24.06 | 4.698 |
| MBT‐TDFR | 16.68 | 5.10 | 16.13 | 4.841 | 17.05 | 5.251 |
| WAIS‐coding | 65.03 | 15.47 | 64.94 | 15.165 | 65.09 | 15.706 |
| WAIS‐DSF | 8.44 | 2.09 | 9.04 | 2.114 | 8.04 | 1.987 |
| WAIS‐DSB | 7.93 | 2.04 | 8.43 | 2.186 | 7.6 | 1.878 |
| WAIS‐DSS | 8.30 | 2.07 | 8.81 | 2.007 | 7.95 | 2.048 |
| WAIS‐matrix reasoning | 16.31 | 4.31 | 17.03 | 4.245 | 15.81 | 4.296 |
| WAIS‐visual puzzles | 13.24 | 4.28 | 14.71 | 4.492 | 12.23 | 3.833 |
| WAIS‐similarities | 22.60 | 4.73 | 23.67 | 4.635 | 21.86 | 4.667 |
TIV = total intracranial volume; MBT = Memory Binding Test; WAIS = Wechsler Adult Intelligence Scale; TPR = total paired recall; TFR = total free recall; TDPR = total delayed paired recall; TDFR = total delayed free recall; DSF = digit span forward; DSB = digit span backwards; DSS = digit span sequencing.
a
Indicated in years.
b
Indicated in C m3.