Table 1.
Sample Characteristics
| Essential Tremor (N = 68) | Parkinson’s (N = 68) | |||
|---|---|---|---|---|
| Mean | SD | Mean | SD | |
| Demographics | ||||
| Age (years) | 69.4 | 5.6 | 69.4 | 5.6 |
| Education (years) | 14.3 | 2.8 | 14.3 | 2.5 |
| Gender (m/f) | 43/25 | - | 43/25 | - |
| Disease | ||||
| Duration (years) | 24.4* | 17.5 | 10.2* | 6.1 |
| UPDRS-III “on” | - | - | 25.5 | 10.1 |
| Hoehn and Yahr Stage (# at each stage) |
- | - | 1.5 (n = 1) 2.0 (n = 41) 2.5 (n = 7) 3.0 (n = 8) 4.0 (n = 3) |
- |
| LED | - | - | 736.2 | 549.2 |
| Mood Measures | ||||
| BDI-II | 9.5 | 8.3 | 9.7 | 7.4 |
| Apathy Scale | 11.2 | 5.9 | 11.7 | 6.1 |
| STAI percentile (state) |
59.2 | 28.6 | 59.2 | 30.4 |
| STAI percentile (trait) |
51.9 | 31.9 | 54.9 | 31.8 |
| General Cognitive | ||||
| DRS-2 | 136.6 | 3.4 | 137.5 | 3.8 |
SD = Standard deviation; UPDRS = Unified Parkinson Disease Rating Scale; LED = Levodopa Equivalent Dose; BDI-II = Beck Depression Inventory-II, STAI= State-Trait Anxiety Inventory; DRS-2 = Dementia Rating Scale-2;
*
Significant difference (p < .05)