Table 3 Norm values for DESC-I
From: Validation of the Rasch-based Depression Screening in a large scale German general population sample
raw score | frequency | percentage | percentiles | θ | Z | T |
|---|---|---|---|---|---|---|
0 | 841 | 33.5 | 33.5 | -5.80 | -1.09 | 39 |
1 | 390 | 15.5 | 49.1 | -4.52 | -0.38 | 46 |
2 | 271 | 10.8 | 59.9 | -3.71 | 0.07 | 51 |
3 | 199 | 7.9 | 67.8 | -3.19 | 0.36 | 54 |
4 | 153 | 6.1 | 73.9 | -2.78 | 0.59 | 56 |
5 | 126 | 5.0 | 78.9 | -2.42 | 0.79 | 58 |
6 | 105 | 4.2 | 83.1 | -2.10 | 0.97 | 60 |
7 | 66 | 2.6 | 85.7 | -1.81 | 1.13 | 61 |
8 | 69 | 2.8 | 88.5 | -1.53 | 1.29 | 63 |
9 | 61 | 2.4 | 90.9 | -1.26 | 1.44 | 64 |
10 | 60 | 2.4 | 93.3 | -1.00 | 1.58 | 66 |
11 | 59 | 2.4 | 95.7 | -0.75 | 1.72 | 67 |
12 | 42 | 1.7 | 97.3 | -0.51 | 1.86 | 69 |
13 | 14 | .6 | 97.9 | -0.28 | 1.99 | 70 |
14 | 11 | .4 | 98.3 | -0.06 | 2.11 | 71 |
15 | 11 | .4 | 98.8 | 0.16 | 2.23 | 72 |
16 | 8 | .3 | 99.1 | 0.37 | 2.35 | 73 |
17 | 6 | .2 | 99.3 | 0.57 | 2.46 | 75 |
18 | 4 | .2 | 99.5 | 0.78 | 2.58 | 76 |
19 | 3 | .1 | 99.6 | 0.98 | 2.69 | 77 |
20 | 3 | .1 | 99.7 | 1.18 | 2.80 | 78 |
21 | 2 | .1 | 99.8 | 1.38 | 2.91 | 79 |
22 | 1 | .0 | 99.8 | 1.59 | 3.03 | 80 |
23 | 1 | .0 | 99.9 | 1.82 | 3.16 | 82 |
26 | 1 | .0 | 99.9 | 2.61 | 3.60 | 86 |
27 | 1 | .0 | 100.0 | 2.97 | 3.80 | 88 |
>/= 28 | 1 | .0 | 100.0 | 3.45 | 4.07 | 91 |