Table 1.
Demographic characteristics of participants.
| Variables | Frequency % |
S.D. ± |
Range [min; max] | Distributions | |
|---|---|---|---|---|---|
| N | 141 | ||||
| Gender (Females) | 83 | 58.87 | |||
| APOE4 (carrier) | 34 | 24.11 | |||
| CDR (score = 0) | 136 | 96.45 | |||
| Clinical diagnosis (normal) | 138 | 97.87 | |||
| Age (mean years) | 74.36 | 8.35 | [52; 91.25] | ▁▂▃▇▇▇▃▂ | |
| Education (mean years) | 16.76 | 2.56 | [12; 20] | ▃▂▁▆▁▇▁▅ | |
| MMSE (mean score) | 29.31 | 1.02 | [25; 30] | ▁▁▁▁▁▁▃▇ | |
| Depression (mean score) | 3.48 | 3.52 | [0; 19] | ▇▂▂▁▁▁▁▁ | |
| Global cognition (mean score) | 0.36 | 0.69 | [-2.1; 2.36] | ▁▁▃▆▇▇▁▁ | |
Note: CDR = clinical dementia rating scale; MMSE = Mini mental state examination. S.D. = Standard deviation. Depression was assessed using the Geriatric Depression Scale (GDS) and global cognition was assessed using the Preclinical Alzheimer Cognitive Composite-5 (PACC5). The CDR, clinical diagnosis, MMSE, depression and memory composite represents previously collected data (closest to the survey) for the participants.