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Table 2 Scale score reliability of the WHODAS 2.0 version 12 in the study population (n = 584)

From: Psychometric properties and validation of the polish version of the 12-item WHODAS 2.0

WHODAS 2.0 version 12 Mean SD Min Max Cronbach’s α
(95%CI)
CR
Total disability 18.55 7.60 12.00 50.00 0.90 (0.89–0.91) 0.95
Do1. Cognition 3.10 1.46 2.00 9.00 0.77 (0.74–0.80) 0.69
Do2. Mobility 3.30 1.79 2.00 10.00 0.76 (0.73–0.79) 0.78
Do3. Self-care 2.47 1.23 2.00 10.00 0.79 (0.76–0.81) 0.92
Do4. Getting along 2.99 1.59 2.00 10.00 0.80 (0.78–0.82) 0.85
Do5. Life activities 3.26 1.58 2.00 10.00 7.76 (8.60–6.98) 0.72
Do6. Participation 3.43 1.64 2.00 10.00 0.77 (0.74–0.80) 0.62