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Table 2 PROMIS 51 Thresholds ordering, item location estimates, item fit statistics and item dependency (items ordered by location)

From: Psychometric performance of the PROMIS® depression item bank: a comparison of the 28- and 51-item versions using Rasch measurement theory

Item label

Disordered Thresholda

Locationb

Fit Statistics

Res. re

Estimate

SE

Fit Residual

Chi-Square

15

I disliked the way my body looked

 

−1.58

0.04

12.21

261.75

≤0.30

24

I felt like being alone

 

−1.04

0.05

4.92

36.02

≤0.30

3

I felt that I had no energy

 

−0.96

0.05

3.32

15.34

0.40

18

I got tired more easily than usual

 

−0.75

0.05

3.40

13.82

0.35

26

I felt disappointed in myself

 

−0.54

0.05

−2.54

13.43

≤0.30

43

I felt slowed down

 

−0.54

0.05

1.11

18.93

0.35

31

I felt discouraged about the future

 

−0.50

0.05

−0.64

10.97

≤0.30

36

I felt unhappy

 

−0.49

0.05

−6.49

38.30

0.33

11

I ate more than usual

 

−0.45

0.05

12.59

179.81

≤0.30

46

I felt pessimistic

 

−0.45

0.05

−0.76

5.33

≤0.30

17

I felt sad

 

−0.43

0.05

−3.69

32.23

0.33

12

I had mood swings

 

−0.42

0.05

0.28

9.23

≤0.30

8

I felt that everything was an effort

 

−0.39

0.05

1.73

12.67

≤0.30

54

I felt emotionally exhausted

 

−0.39

0.05

−4.46

25.83

≤0.30

23

I had trouble feeling close to people

 

−0.35

0.05

−0.34

8.91

≤0.30

28

I felt lonely

 

−0.34

0.05

0.19

6.82

0.33

56

I had trouble enjoying the things that I used to enjoy

 

−0.23

0.05

−2.88

12.27

≤0.30

47

I had trouble keeping my mind on what I was doing

 

−0.21

0.05

−0.58

11.59

0.36

29

I felt depressed

 

−0.15

0.05

−6.05

38.93

≤0.30

35

I found that things in my life were overwhelming

 

−0.13

0.05

−3.29

21.52

≤0.30

7

I withdrew from other people

 

−0.12

0.05

−0.74

12.98

≤0.30

42

I felt ignored by people

 

−0.07

0.05

−0.20

10.77

≤0.30

30

I had trouble making decisions

 

−0.01

0.06

−2.58

25.81

≤0.30

21

I felt that I was to blame for things

 

0.00

0.06

−2.71

20.76

≤0.30

48

I felt that my life was empty

X

0.00

0.05

−2.31

7.04

≤0.30

50

I felt guilty

 

0.01

0.05

−0.60

7.11

≤0.30

22

I felt like a failure

X

0.03

0.05

−4.18

24.61

≤0.30

14

I felt that I was not as good as other people

 

0.04

0.05

−1.12

7.28

≤0.30

16

I felt like crying

 

0.10

0.06

0.10

5.01

0.44

20

My thinking was slower than usual

 

0.12

0.06

−0.17

19.5

0.40

38

I felt unloved

 

0.14

0.06

0.31

8.43

≤0.30

27

I felt that I was not needed

 

0.17

0.06

−1.63

11.6

≤0.30

1

I reacted slowly to things that were done or said

 

0.19

0.06

1.22

12.15

≤0.30

52

I had trouble thinking clearly

 

0.19

0.06

−1.16

11.37

0.40

5

I felt that I had nothing to look forward to

 

0.27

0.06

−3.69

14.35

≤0.30

55

I felt I needed help for depression

X

0.28

0.06

−2.64

12.98

≤0.30

53

I had little desire to eat

 

0.30

0.06

5.85

64.88

≤0.30

45

I felt that nothing was interesting

 

0.31

0.06

−2.54

14.44

≤0.30

4

I felt worthless

 

0.37

0.06

−4.02

35.41

≤0.30

37

I was unable to do many of my usual activities

 

0.39

0.06

3.37

18.07

≤0.30

49

I lost weight without trying

 

0.39

0.06

9.68

408.14

≤0.30

6

I felt helpless

 

0.40

0.06

−4.27

35.22

0.33

41

I felt hopeless

 

0.45

0.06

−5.71

41.52

0.33

9

I felt that nothing could cheer me up

 

0.46

0.06

−5.00

33.75

≤0.30

19

I felt that I wanted to give up on everything

X

0.49

0.06

−2.69

16.56

≤0.30

44

I felt upset for no reason

 

0.63

0.06

−3.47

14.37

≤0.30

34

I had crying spells

X

0.84

0.07

2.03

8.78

0.44

32

I wished I were dead and away from it all

X

0.89

0.07

−2.08

7.1

0.53

39

I felt I had no reason for living

X

0.93

0.07

−2.33

11.11

0.53

33

I thought about suicide

X

0.96

0.08

−0.10

9.98

0.47

40

I felt that others would be better off if I were dead

X

1.18

0.07

0.30

15.58

≤0.30

  1. aX: disordered thresholds; bitem location estimates and standard error (SE); cFit residuals, numbers outside recommended range of −2.5 to + 2.5 are printed in bold; dchi-square value; when statistically significant at ≤0.01 after Bonferroni correction number is printed in bold; emaximum Residual correlation (Res. r) for each item when value is > 0.30 rule of thumb the actual number is reported