Table 1 Subject characteristics
Variables | M ± SD |
|---|---|
Age (years) | 71.6 ± 4.9 |
Sex (women subjects (%)) | 203 (52) |
Body mass index (kg/m2) | 23.4 ± 2.9 |
Educational history (years) | 11.0 ± 2.4 |
TMIG (score) | 12.4 ± 1.1 |
Life-space assessment (score) | 90.2 ± 15.7 |
Current medications (numbers) | 2.2 ± 2.0 |
Type of MCI (amnestic MCI (%)) | 191 (49) |
Status of apolipoprotein E (ϵ4 carrier (%)) | 76 (20) |
Cognitive tests | Â |
 MMSE (score) | 26.7 ± 1.9 |
 SDST (score) | 38.9 ± 7.4 |
 TMT-B (s) | 43.5 ± 16.7 |
 Digit span backward (score) | 5.1 ± 1.6 |
 RAVLT-delay (score) | 7.3 ± 3.4 |
 Visual reproduction (score) | 21.9 ± 8.8 |
Normal walking | Â |
 Gait speed (m/s) | 1.36 ± 0.22 |
Dual-task walking | Â |
 Gait speed (m/s) | 1.23 ± 0.32 |