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Table 4 Item statistics

From: Psychometric evaluation of the German version of the patient activation measure (PAM13)

Item

Location parameter

Threshold 1

Threshold 2

SE

Outfit MSQ

Infit MSQ

2

1.17

−0.86

3.21

0.03

0.85

0.83

6

1.25

−0.78

3.29

0.03

0.94

0.94

8

1.27

−0.76

3.30

0.03

0.84

0.88

4

1.33

−0.70

3.37

0.03

0.95

0.92

7

1.33

−0.71

3.36

0.03

0.74

0.77

1

1.74

−0.29

3.78

0.03

1.22

0.94

10

2.09

0.06

4.13

0.03

0.65

0.68

5

2.23

0.19

4.26

0.03

1.03

1.03

3

2.26

0.22

4.29

0.03

1.00

1.01

9

2.42

0.39

4.46

0.03

0.88

0.90

11

3.04

1.00

5.07

0.03

0.87

0.88

13

3.05

1.01

5.09

0.03

1.05

1.03

12

3.26

1.23

5.30

0.03

0.93

0.93

  1. The items are ranked according to their difficulty (location parameter). Information on thresholds, standard error (SE), and fit statistics (outfit and infit MSQ).