Table 2.
Item characteristics of the Rasch-based Depression Screening I (DESC-I) and the Rasch-based Depression Screening II (DESC-II)
| Item | δi * | 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 |
Note: Measures δi were anchored on the original calibration sample reported in Forkmann et al. [20]; S.E.: Standard Error