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Table 4 Coefficients (standard error) of different regression analyses on TTO values for the general population and for the two patient groups (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 0.96 (0.03) 0.98 (0.04) 0.93 (0.02) 0.94 (0.01)* 0.78 (0.03)*
Mobility (2) -0.04 (0.06) -0.02 (0.07) -0.04 (0.03) -0.04 (0.02)* -0.03 (0.04)
Self-care (2) -0.03 (0.05)* -0.02 (0.06) -0.10 (0.03) -0.07 (0.02)* -0.02 (0.04)
Usual activities (2) -0.04 (0.06)* -0.02 (0.07) -0.02 (0.03) -0.04 (0.02)* -0.03 (0.04)
Pain/discomfort (2) -0.10 (0.04)* -0.08 (0.05)* -0.09 (0.02) -0.09 (0.01)* -0.09 (0.03)*
Anxiety/depression (2) -0.06 (0.05)* -0.03 (0.06) -0.13 (0.03) -0.11 (0.02)* -0.05 (0.04)
Mobility (3) -0.32 (0.07)* -0.38 (0.08)* -0.17 (0.04)* -0.18 (0.02)* -0.35 (0.05)*
Self-care (3) -0.07 (0.06)* -0.16 (0.07) -0.14 (0.03)* -0.15 (0.02)* -0.10 (0.04)
Usual activities (3) -0.09 (0.07)* -0.06 (0.08) -0.06 (0.04) -0.07 (0.02)* -0.08 (0.05)
Pain/discomfort (3) -0.44 (0.05)* -0.35 (0.06)* -0.32 (0.03)* -0.34 (0.02)* -0.40 (0.04)*
Anxiety/depression (3) -0.28 (0.05)* -0.22 (0.06)* -0.30 (0.03)* -0.33 (0.02)* -0.26 (0.04)*
N3 -0.12 (0.05)* -0.12 (0.06) -0.25 (0.03) -0.21 (0.02)* -0.11 (0.04)*
Cancer patient - - - 0.07 (0.02)* -
RA patient - - - 0.12 (0.02)* -
TTO value own state - - - - 0.22 (0.03)*
R2 0.45 0.49 0.40 0.41 0.49
  1. *statistically significant (p < 0.05)