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Table 2 Item characteristics of the Rasch-based Depression Screening I (DESC-I) and the Rasch-based Depression Screening II (DESC-II)

From: Validation of the Rasch-based Depression Screening in a large scale German general population sample

Item δ i * S.E. infit Outfit
Threshold    < 1.30 < 1.30
DESC-I     
sad -.85 .04 .93 1.01
lonely -.62 .05 .78 .75
despaired -.44 .04 .71 .65
hopeless -.31 .05 .67 .65
empty -.08 .05 .74 .84
loss of joy .24 .05 .60 .57
feel superfluous .31 .05 .67 .61
life is a burden .53 .06 .75 .76
life is a failure .68 .06 .66 .49
suicide 1.28 .09 .85 .67
DESC-II     
disheartened -.80 .04 .86 .88
little pleasure -.66 .04 .83 .85
withdrawal -.33 .04 .92 .93
discouraged -.25 .04 .68 .66
uninspired -.03 .04 1.02 1.13
pessimistic .20 .05 .65 .68
feel needless .30 .05 .97 1.09
be no good .60 .06 .67 .62
loss of interest .89 .06 .86 .87
suicide 1.05 .08 .83 .52
  1. Note: Measures δ i were anchored on the original calibration sample reported in Forkmann et al. [20]; S.E.: Standard Error