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Table 4 The effects of knee osteoarthritis (OA) on health-related quality of life: results from regression analysis

From: Association of knee pain and different definitions of knee osteoarthritis with health-related quality of life: a population-based cohort study in southern Sweden

  UK EQ-5D-3L index score Swedish EQ-5D-3L index score Pain (KOOS) Symptoms (KOOS) ADL (KOOS) QoL (KOOS)
Full samplea
 Reference group 0.00 (ref)      
 Knee pain without knee OA −0.15*** −0.06*** −22.69*** −8.78*** −19.67*** −27.41***
 Knee pain with knee OA −0.19*** −0.08*** −35.14*** −16.92*** −31.94*** −43.48***
 Radiographic knee OA without pain −0.09*** −0.03** −10.04*** −4.27*** −8.72*** −18.47***
Participants with knee OAa
 Radiographic knee OA 0.00 (ref)      
 Clinical knee OA −0.08*** −0.04*** −17.92*** −10.91*** −17.40*** −18.40***
 Clinical and radiographic knee OA −0.10** −0.05*** −23.79*** −14.08*** −22.50*** −24.42***
  1. ADL function in daily living, QoL Knee-related quality of life
  2. ***,** p < 0.001, and p < 0.01 significance level compared to the reference group
  3. aBoth models were additionally adjusted for age, sex, body mass index, comorbidity, years of education, employment, and smoking