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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 labelDisordered ThresholdaLocationbFit StatisticsRes. re
EstimateSEFit ResidualChi-Square
15I disliked the way my body looked −1.580.0412.21261.75≤0.30
24I felt like being alone −1.040.054.9236.02≤0.30
3I felt that I had no energy −0.960.053.3215.340.40
18I got tired more easily than usual −0.750.053.4013.820.35
26I felt disappointed in myself −0.540.05−2.5413.43≤0.30
43I felt slowed down −0.540.051.1118.930.35
31I felt discouraged about the future −0.500.05−0.6410.97≤0.30
36I felt unhappy −0.490.05−6.4938.300.33
11I ate more than usual −0.450.0512.59179.81≤0.30
46I felt pessimistic −0.450.05−0.765.33≤0.30
17I felt sad −0.430.05−3.6932.230.33
12I had mood swings −0.420.050.289.23≤0.30
8I felt that everything was an effort −0.390.051.7312.67≤0.30
54I felt emotionally exhausted −0.390.05−4.4625.83≤0.30
23I had trouble feeling close to people −0.350.05−0.348.91≤0.30
28I felt lonely −0.340.050.196.820.33
56I had trouble enjoying the things that I used to enjoy −0.230.05−2.8812.27≤0.30
47I had trouble keeping my mind on what I was doing −0.210.05−0.5811.590.36
29I felt depressed −0.150.05−6.0538.93≤0.30
35I found that things in my life were overwhelming −0.130.05−3.2921.52≤0.30
7I withdrew from other people −0.120.05−0.7412.98≤0.30
42I felt ignored by people −0.070.05−0.2010.77≤0.30
30I had trouble making decisions −0.010.06−2.5825.81≤0.30
21I felt that I was to blame for things 0.000.06−2.7120.76≤0.30
48I felt that my life was emptyX0.000.05−2.317.04≤0.30
50I felt guilty 0.010.05−0.607.11≤0.30
22I felt like a failureX0.030.05−4.1824.61≤0.30
14I felt that I was not as good as other people 0.040.05−1.127.28≤0.30
16I felt like crying 0.100.060.105.010.44
20My thinking was slower than usual 0.120.06−0.1719.50.40
38I felt unloved 0.140.060.318.43≤0.30
27I felt that I was not needed 0.170.06−1.6311.6≤0.30
1I reacted slowly to things that were done or said 0.190.061.2212.15≤0.30
52I had trouble thinking clearly 0.190.06−1.1611.370.40
5I felt that I had nothing to look forward to 0.270.06−3.6914.35≤0.30
55I felt I needed help for depressionX0.280.06−2.6412.98≤0.30
53I had little desire to eat 0.300.065.8564.88≤0.30
45I felt that nothing was interesting 0.310.06−2.5414.44≤0.30
4I felt worthless 0.370.06−4.0235.41≤0.30
37I was unable to do many of my usual activities 0.390.063.3718.07≤0.30
49I lost weight without trying 0.390.069.68408.14≤0.30
6I felt helpless 0.400.06−4.2735.220.33
41I felt hopeless 0.450.06−5.7141.520.33
9I felt that nothing could cheer me up 0.460.06−5.0033.75≤0.30
19I felt that I wanted to give up on everythingX0.490.06−2.6916.56≤0.30
44I felt upset for no reason 0.630.06−3.4714.37≤0.30
34I had crying spellsX0.840.072.038.780.44
32I wished I were dead and away from it allX0.890.07−2.087.10.53
39I felt I had no reason for livingX0.930.07−2.3311.110.53
33I thought about suicideX0.960.08−0.109.980.47
40I felt that others would be better off if I were deadX1.180.070.3015.58≤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
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