Table 3.

Norm values for DESC-I

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

Note: θ: estimated person's latent trait score for depression; Z: mean = 0, SD = 1; T: mean = 50, SD = 10