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Table 5 Item parameters of the EQ-5D-5L

From: Psychometric properties of the EQ-5D-5L for aboriginal Australians: a multi-method study

 

Discrimination

Threshold 1

SE

Threshold 2

SE

Threshold 3

SE

Threshold 4

SE

Physiological subscale

Mobility

1.00

− 2.49

0.30

− 1.10

0.28

− 0.02

0.31

1.98

 

Self-care

1.00

0.08

0.27

0.63

0.44

0.36

0.58

1.06

0.71

Usual movement

1.00

− 2.15

0.28

− 0.38

0.28

0.53

0.38

1.50

0.63

Psychological subscale

Pain/discomfort

1.00

− 0.80

0.15

0.00

0.16

0.37

0.23

0.96

0.36

Anxiety/depression

1.00

− 1.01

0.17

− 0.60

0.16

0.44

0.20

0.64

0.28

  1. SE = standard error. The discrimination parameters do not have standard error since these parameters were constrained to 1 under the Partial Credit Model. Item disordered thresholds are highlighted in bold