Table 1.

Psychometric characteristics of the Beck Depression Inventory-II for college students (N = 12,677).

Item	M	SD	CV	α
1- Sadness	0.21	0.46	2.05	0.90
2- Pessimism	0.22	0.48	2.05	0.90
3- Past failure	0.23	0.57	2.25	0.90
4- Loss of pleasure	0.26	0.52	1.83	0.90
5- Guilty feelings	0.33	0.53	1.53	0.90
6- Punishment feelings	0.22	0.62	2.33	0.90
7- Self-dislike	0.24	0.63	2.50	0.90
8- Self-criticalness	0.56	0.72	1.14	0.90
9- Suicidal thoughts	0.08	0.32	3.57	0.90
10- Crying	0.36	0.77	1.91	0.90
11- Agitation	0.35	0.61	1.55	0.90
12- Loss of interest	0.26	0.52	1.83	0.90
13- Indecisiveness	0.41	0.78	1.61	0.90
14- Worthlessness	0.17	0.52	2.67	0.90
15- Loss of energy	0.44	0.62	1.29	0.90
16- Changes in sleep	0.66	0.75	0.98	0.90
17- Irritability	0.37	0.61	1.48	0.90
18- Changes in appetite	0.48	0.69	1.29	0.90
19- Concentration difficulty	0.46	0.72	1.38	0.90
20- Tiredness or fatigue	0.51	0.70	1.20	0.90
21- Loss of interest in sex	0.15	0.45	2.75	0.90
Total	6.99	7.56	1.08	0.91

M, Mean; SD, Standard deviation; CV, Pearson's coefficient of variation = SD/M; α, Cronbach's alpha coefficient of internal consistency if the item is deleted.