Construct validity and factor structure of the Kessler-10 in South Africa

BMC Psychology

Table 2 Item characteristics, item-total correlations, and ⍺ if item deleted from the K-10

K-10 items	Mean	SD	Corrected item-total correlation	⍺ if item deleted
Fatigue	0.86	1.09	0.49	0.83
Nervous	0.67	0.92	0.56	0.82
So nervous	0.20	0.58	0.46	0.83
Hopeless	0.67	0.95	0.53	0.82
Restless fidgety	0.44	0.81	0.54	0.82
So restless	0.18	0.55	0.50	0.82
Depressed	0.38	0.81	0.58	0.81
So depressed	0.13	0.51	0.53	0.82
Lack of energy	0.58	0.92	0.60	0.81
Worthless	0.45	0.82	0.60	0.81
Global K-10 score^a	4.56	5.18	–	0.84

ISSN: 2050-7283