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Table 1 Baseline and clinical characteristics of the participants in the study

From: Use and usability of the dr. Bart app and its relation with health care utilisation and clinical outcomes in people with knee and/or hip osteoarthritis

  Dr. Bart app group
(N = 214)
Age, years; mean (SD) 62.1 (7.7)
Female, n (%) 147 (68.7)
Body mass index, kg/m2; mean (SD) 27.8 (5.1)
Level of education (≤ 12 years), n (%) 56 (28.0)
Main OA location
 - Knee, n (%) 157 (73.4)
Duration of symptoms, n (%)
 - < 1 year 25 (11.7)
 - 1–5 years 104 (48.6)
 - 6–10 years 49 (22.9)
 - > 10 years 36 (16.8)
Clinical characteristics
 Symptomsa (0–100); mean (SD) 57.7 (16.3)
 Paina (0–100); mean (SD) 57.5 (15.5)
 Activities of daily livinga (0–100); mean (SD) 58.5 (19.7)
 Activitiesa (0–100); mean (SD) 32.6 (23.9)
 Quality of lifea (0–100); mean (SD) 38.0 (17.5)
 Self-management behaviourb (13–52); mean (SD) 40.8 (5.3)
 Physical activity, total hours/week; mean (SD) 31.6 (21.2)
 Health-related quality of life (0–1); mean (SD) 0.72 (0.19)
 Health-related quality of life (slider) (0–100); mean (SD) 70.9 (15.5)
 Illness Perceptions (range 0–80); mean (SD) 43.1 (8.9)
  1. Abbreviations: SD Standard Deviation; n number; OA osteoarthritis; PA physical activity. aMeasured with either KOOS or HOOS. bMeasured with the Patient Activation Measure Short Form (PAM-13)