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Table 2 Sample characteristics for study 2 at baseline (n = 92) (Cwirlej-Sozanska et al. [10])

From: Minimal important difference of the 12-item World Health Organization Disability Assessment Schedule (WHODAS) 2.0 in persons with chronic low back pain

 

Baseline Sample (N = 92)

Sample with ODI at Baseline & Follow-up (N = 89)

Sex - N (%)

  

 Male

35 (38.0%)

35 (39.3%)

 Female

57 (62.0%)

54 (60.7%)

Age – Mean (SD)

66.0 (11.6)

65.5 (11.5)

Place or Residence

  

 City

44 (47.8%)

42 (47.2%)

 Countryside

48 (52.2%)

47 (52.8%)

Education - N (%)

  

 Primary

18 (19.6%)

17 (19.1%)

 Vocational

17 (18.5%)

17 (19.1%)

 Secondary

45 (48.9%)

43 (48.3%)

 Higher education

12 (13.0%)

12 (13.5%)

Pain (VAS) – Mean (SD)a

5.77 (1.31)

5.75 (1.31)

ODI – Mean (SD)b

29.6 (6.4)

29.4 (6.3)

WHODAS-12 – Mean (SD)c

19.3 (6.8)

19.1 (6.7)

  1. ODI – Oswestry Disability Index; SD – standard deviation; VAS – Visual Analogue Scale; WHODAS-12 – World Health Organization Disability Assessment Schedule 2.0 12-item questionnaire
  2. aVAS is scored from 0 to 10 (higher score indicates higher pain intensity)
  3. bODI is scored from 0 to 100 (higher score indicates higher disability)
  4. cWHODAS-12 is scored from 0 to 48 (higher score indicates greater limitations in functioning)