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Table 2 Multiple linear regression models that explain the EQ-5D-3 L utility score and EQ VAS

From: Measurement of health-related quality by multimorbidity groups in primary health care

Variables EQ 5D 3 L TTO score beta coefficient (95%CI) EQ VAS beta coefficient (95%CI)
Model 1 Model 2 Model 3 Model 4
Intercept 0.95 0.93 0.99   80.32  
Age −0.004***      
Gender    −0.10 **  
MHS CRG    
1. Healthy (control variable)   
2. History of significant acute disease −0.06 −0.05   −10.57 *
3. Single minor chronic disease −0.12 −0.14 * −14.49 **
4. Minor chronic diseases in multiple organ systems −0.16* −0.15 * −13.87 **
5. Significant chronic disease −0.18** −0.20 ** −18.32 ***
6. Significant chronic diseases in multiple organ systems −0.35*** −0.36 *** −24.49 ***
7. Dominant chronic disease in 3 or more organ systems −0.33*** −0.35 *** −23.32 ***
8. Dominant/Metastatic malignancy −0.33*** −0.36 *** −28.65 ***
9. Catastrophic −0.44*** −0.47 *** −27.20 ***
Adj. R2 0.04 0.17 0.21   0.15  
F-test 14.76*** 9.73*** 9.72 *** 7.88 ***
  1. MHS CRG: Main Health Status Clinical Risk Groups
  2. TTO score: Time Trade-Off score
  3. EQ VAS: EQ Visual Analogue Scale
  4. *p < 0.05, **p < 0.01, ***p < 0.001 by chi-square for the difference in the proportion of respondents referring to any problem (moderate or severe problem) across the variables