Research Article
Psychometric Evaluation of the Parkinson’s Disease Activities of Daily Living Scale
Table 1
Participants’ characteristics (n = 243–251, depending on missing data).
| | Characteristics | Median (first-third quartile) unless otherwise stated |
| | Sex (women), n (%) | 99 (39) | | Age (years), mean (SD), min–max | 70 (9), 45–93 | | Parkinson duration (years) | 8 (5–13) | | Parkinson severity (Hoehn & Yahr)1 | 3 (2-3) | | Parkinson severity (self-rated), n (%) | | | Mild | 85 (34) | | Moderate | 116 (46) | | Severe | 49 (20) | | Motor symptoms (UPDRS part III)2 | 30 (22–39) | | Complications of therapy (UPDRS part IV)3 | 4 (2–7) | | Self-rated general health (RAND-36)1 | 3 (3-4) | | ADL dependency (ADL staircase)4 | 1 (0–3) | | Perceived functional independence5 | 9 (7–10) | | Walking difficulties in daily life (Generic Walk-12)6 | 14 (7–24) | | Depressive symptoms (Geriatric Depression Scale)7 | 2 (1–4) | | Cognitive function (Montreal Cognitive Assessment)8 | 26 (22–28) |
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UPDRS = Unified Parkinson’s Disease Rating Scale; ADL = activities of daily living; possible score ranges and directions: 11–5, higher = worse; 20–108, higher = worse; 30–23, higher = worse; 40–9, higher = worse; 50–10, higher = better; 60–42, higher = worse; 70–15, higher = worse; 80–30, higher = better.
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