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Table 1 General socio-demographic characteristics of the study population (n = 584)

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

Variables Mean ± SD / n (%)
1. Gender
 Female 311 (53.25)
 Male 273 (46.75)
2. Age (years)
 18–29 132 (22.60)
 30–44 206 (35.27)
 45–64 176 (30.14)
 65 and more 70 (11.99)
3. Education
 Primary education 11 (1.88)
 Vocational education 67 (11.47)
 Secondary education 211 (36.13)
 Higher education 255 (43.66)
 Refusal to answer 40 (6.85)
4. Pain (VAS) 3.15 ± 2.16
5. Depressive moods
 Never 145 (24.83)
 Rarely 347 (59.42)
 Often 66 (11.30)
 Very often 16 (2.74)
 Always 10 (1.71)
6. Disability (WHODAS 2.0 version 12) 18.55 ± 7.60
7. Quality of life (WHOQL-BREF)
 Total quality of life 73.48 ± 12.55
 Do1 Physical health 74.74 ± 16.18
 Do2 Psychological 75.14 ± 14.40
 Do3 Social relationship 74.94 ± 16.37
 Do4 Environment 69.08 ± 13.39