Table 1. Descriptive statistics of demographical data and cognitive outcome (PACC5) (n = 81).
| Mean | SD | Min | Max | |
| Demographical data | ||||
| Age, years | 59.41 | 5.41 | 50.00 | 69.00 |
| Sex, female, n (%) | 54 (66.7 %) | |||
| Etnic status, Caucasian, n (%) | 81 (100 %) | |||
| Educational level: | ||||
| Primary School | 0 (0%) | |||
| Secondary School | 21 (25.9 %) | |||
| Bachelor degree | 30 (37.0 %) | |||
| Master degree | 24 (29.6 %) | |||
| PhD or higher | 6 (7.4 %) | |||
| Socio-economic status* | 3.44 | 0.74 | 1.00 | 4.00 |
| PACC5 (raw scores) | ||||
| FCSRT (0–96) | 80.90 | 6.47 | 63.00 | 92.00 |
| Logical Memory Test, items for delayed recall (0–25) | 12.17 | 4.00 | 2.00 | 22.00 |
| Digit Symbol Substitution Test (0–133) | 71.94 | 12.56 | 39.00 | 99.00 |
| Category Fluency, 1 min | 19.79 | 3.58 | 10.00 | 29.00 |
| Mattis Dementia Rating Scale (0–144) | 142.38 | 2.09 | 134.00 | 144.00 |
SD: Standard Deviation; FCSRT: Free and Cued Selective Reminding Test (Free + Total recall).
* Socio-economic status is based on cognitive load charge of the last profession, where 1 means low cognitive load (e.g. office cleaner), and 4 high cognitive load (e.g. secondary schoold teacher).