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Table 3 Background characteristics

From: Patient preferences for adherence to treatment for osteoarthritis: the MEdication Decisions in Osteoarthritis Study (MEDOS)

  Responders (n = 188) Missing (n) All (n = 503) Missing (n)
Age (mean, SD), years 62, 8.5 15 62, 8 1
Gender (n, %), male 84 (48%) 15 230 (46%) 1
Private Health Insurance (n, %) 108 (62%) 13 308 (61%) 0
Health Care Concession (n, %) 18 (10%) 13 56 (11%) 0
Co-morbidity with treatment (n,%)
Hypertension or Heart Disease 90 (52%) 15 213 (45%) 1
Ulcer or Stomach Disease 13 (7.5%) 15 46 (9%) 1
Kidney or Liver Disease 0 (0%) 15 4 (1%) 1
Symptom duration (≤5 years) (n, %) 92 (52%) 13 281 (56%) 0
WOMAC Pain (mean, sd) 4.1 (3.6) 0 4.2 (3.5) 0
WOMAC Physical (mean, sd) 15.9 (14.0) 0 17.0 (13.3) 0
Global assessment (mean (SD)) 1.6 (1.0) 18 1.8 (1.1) 48
SF12 MCS (mean, SD) 52.7 (10.3) 13 53.5 (9.4) 0
SF12 PCS (mean, SD) 46.3 (9.4) 13 44.4 (9.5) 0
Glucosamine/chondroitin prior (n, %) 61 (35%) 13 154 (31%) 0
Current < daily/when required medication use 5 (3%) 13 38 (8%)* 0
Adherence (study treatment) < 100%a 86(53%) 3 N/Ab N/Ab
Cost-related non-adherencea 19 (10%) 4 N/Ab N/Ab
Physician Trusta (median, range) 75 (28–100) 0 N/Ab N/Ab
  1. * Sig P < 0.05 aMeasured in the MEDOS study only b N/A not applicable.