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Measurement scores obtained by participants (construct validity step).
| Measurement | n | Mean | SD | Min | Max |
|---|---|---|---|---|---|
| UPDRS3 | 416 | 10.1 | 7.8 | 0 | 52 |
| Dominant hand Grooved Pegboard time | 414 | 106.7 | 44.7 | 43.2 | 300 |
| Nondominant hand Grooved Pegboard time | 408 | 116.9 | 47.7 | 51.4 | 300 |
| PDQ-39 | 412 | 33.1 | 21.3 | 0 | 115 |
| PDSQ | 416 | 1.9 | 2.1 | 0 | 8 |
UPDRS3, Unified Parkinson's Disease Rating Scale motor subsection 3; PDQ-39, Parkinson's Disease Questionnaire; PDSQ, Parkinson's Disease Screening Questionnaire; SD, standard deviation.
