Table 2.
Demographics and mood characteristics of combined sample: n =132 psychometrically normal participants
| Mean (SD) | Min | Max | |
|---|---|---|---|
| Age (yrs) | 72 (7.5) | 60 | 92 |
| Education (yrs) | 16 (2.4) | 9 | 20 |
| Race (%White) | 97 | - | - |
| Gender (%Male) | 39 | - | - |
| Handedness (%Right) | 91 | - | - |
| CCI | 0.41 (1.0) | 0 | 8 |
| BDI-II | 4.8 (4.5) | 0 | 18 |
| GDS | 3 (3.3) | 0 | 16 |
| AS | 8.6 (4.1) | 0 | 23 |
| STAI-Trait | 29 (7.4) | 20 | 51 |
CCI = Charlson Comorbidity Index; BDI-II = Beck Depression Inventory, 2nd Edition; GDS = Geriatric Depression Scale; AS = Apathy Scale; STAI-Trait = State-Trait Anxiety Inventory, Trait