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Table 1 Characteristics of the study sample separated by gender (n = 1021)

From: Osteoarthritis and functional disability: results of a cross sectional study among primary care patients in Germany

  Gender
  Male (347/34.0%) Female (674/66.0%)
  mean SD/% mean SD/%
Age 65.16 14.75 66.64 15.33
Duration of OA (years) 14.80 16.18 13.13 11.09
Body Mass Index (BMI) 28.39 4.26 28.12 5.16
Educational Level (1–3)** 2.61 1.11 2.38 0.83
Married/Living in partnership** 278 80.1 (%) 376 55.8 (%)
Retired 233 67.1 (%) 482 71.5 (%)
Radiographic severity (Kellgren score)* 2.76 0.92 2.53 0.77
IPAQ score (MET/week) 2356.2 (1982.5) 2108.3 (1879.6)
No. of comorbid conditions (0–10) 2.20 1.81 2.24 1.65
PHQ-9 score 15.33 4.76 15.95 4.63
Comorbidities n % n %
High blood pressure** 181 52.1 384 56.9
Elevated cholesterol 124 35.7 245 36.3
Diabetes 57 16.4 120 17.8
Chronic Heart Failure 63 18.1 131 19.4
CVD 62 17.8 70 10.3
Ulcer/Gastritis 77 22.1 146 21.6
Asthma/COPD 34 9.8 64 9.5
Renal Insufficiency 23 6.6 33 4.9
Cancer 21 6.1 16 2.4
Stroke 16 4.6 30 4.4
Quality of life (AIMS2-SF dimensions):     
Lower body ** 2.39 1.71 2.98 2.08
Upper body 1.38 2.33 1.54 2.22
Symptom ** 4.49 2.17 5.12 2.18
Affect ** 2.60 1.28 3.10 1.36
Social 4.75 1.95 4.61 1.76
Work * (126 women/89 men) 3.08 2.67 2.34 2.23
  1. p < 0.05; ** p < 0.01 in group comparison (t-test, Fishers exact test respectively); Comparison of AIMS2-SF dimension by means of ANCOVA, adjusted for age, duration of disease, no. of comorbidities and PHQ-9 score