Table 1.
Sociodemographic and basic cognitive descriptive data
| C | UD | SCD | |
|---|---|---|---|
| N | 1899 | 173 | 568 |
| Age M(SD) | 55.31 (6.59) | 56.46 (6.89)b | 57.14 (6.86) |
| Education M (SD) | 13.51 (3.50) | 12.38 (3.51)a | 13.14 (3.50) |
| MMSE M (SD) | 29.09 (1.04) | 29.03 (1.00) | 28.82 (1.18) |
| GADS Total M (SD) | 0.61 (1.35) | 0.62 (1.24) b | 1.29 (2.03) c |
| SCD-Q MyCog | 4.18 (3.95) | 6.09 (4.70)ab | 12.00 (5.86)c |
| SCD-Q TheirCog | 2.22 (2.22) | 8.76 (4.61)ab | 5.08 (4.76)c |
| Females (%) | 64.1% | 48.0% ab | 65.0% |
| ɛ4 Carriers (%) | 34.6% | 37.6% | 34.3% |
C, control; UD, unaware decliners; SCD, subjective cognitive decline; MMSE, Mini-Mental State Examination; GADS, Goldberg Anxiety and Depression Scale; SCD-Q, SCD Questionnaire; ap < 0.05 UD versus C; bp < 0.05 UD versus SCD; cp < 0.05 SCD versus C.