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Table 3 Coefficients (standard error) of different regression analyses on VAS values for the general population and for the two patient groups based on variables for the 5 domains (for each domain 2 dummies expressing the step from level 1 to level 2 (2), and the step from level 2 to level 3 (3))

From: Are patients' judgments of health status really different from the general population?

Parameters Coefficients     
  Effect of EQ-5D domains Additional effect of patient groups Additional effect of valuation own health
  Cancer RA General population Cancer + RA + Gen. pop. Cancer + RA
Constant 0.87 (0.01)* 0.91 (0.01)* 0.87 (0.01)* 0.88 (0.01)* 0.94 (0.02)*
Mobility (2) -0.09 (0.02)* -0.06 (0.02)* -0.13 (0.01)* -0.11 (0.01)* -0.08 (0.02)*
Self-care (2) -0.10 (0.02)* -0.11 (0.02)* -0.10 (0.01)* -0.10 (0.01)* -0.10 (0.02)*
Usual activities (2) 0.00 (0.02) -0.03 (0.02) -0.04 (0.01)* -0.03 (0.01)* 0.01 (0.02)
Pain/discomfort (2) -0.12 (0.02)* -0.08 (0.02)* -0.08 (0.01)* -0.09 (0.01)* -0.10 (0.01)*
Anxiety/depression (2) -0.07 (0.02)* -0.08 (0.02)* -0.06 (0.01)* -0.06 (0.01)* -0.07 (0.02)*
Mobility (3) -0.21 (0.03)* -0.19 (0.03)* -0.22 (0.02)* -0.22 (0.01)* -0.20 (0.02)*
Self-care (3) -0.07 (0.03)* -0.10 (0.03)* -0.07 (0.02)* -0.08 (0.01)* -0.08 (0.02)*
Usual activities (3) -0.02 (0.03) -0.06 (0.03)* -0.09 (0.02)* -0.08 (0.01)* 0.03 (0.02)
Pain/discomfort (3) -0.19 (0.02)* -0.15 (0.02)* -0.18 (0.01)* -0.18 (0.01)* -0.17 (0.02)*
Anxiety/depression (3) -0.17 (0.02)* -0.17 (0.02)* -0.15 (0.01)* -0.16 (0.01)* -0.17 (0.02)*
N3 -0.28 (0.02)* -0.24 (0.02)* -0.17 (0.01)* -0.20 (0.01)* -0.26 (0.02)*
Cancer patients - - - -0.05 (0.01)* -
RA patients - - - 0.01 (0.01) -
VAS value own state - - - - <0.01 (0.00)
R2 0.76 0.83 0.58 0.62 0.78
  1. *statistically significant (p <0.05)