Comparative psychometric analyses of the SCL-90-R and its short versions in patients with affective disorders

BMC Psychiatry

Table 2 Comparison of internal consistencies (Cronbach´s alpha) of the SCL-90-R subscales and the short versions BSI, SCL-27, BSI-18, SCL-14 and SCL-K-9 in patients with affective disorder

SCL-90-R			BSI			SCL-27			BSI-18			SCL-14			SCL-K-9
Scale	α	Number of items	Scale	α	Number of items	Scale	α	Number of items	Scale	α	Number of items	Scale	α	Number of items	Scale	α	Number of items
SOMA	0.86	12	SOMA	0.80	7	VEG	0.77	6	SOMA	0.79	6	VEG	0.81	4
OCD	0.87	10	OCD	0.84	6	DYS	0.85	4
INT	0.87	9	INT	0.79	4	SOP	0.84	4
DEPR	0.89	13	DEPR	0.85	6	DEP	0.79	4	DEPR	0.85	6	DEP	0.87	6
ANX	0.87	10	ANX	0.82	6				ANX	0.82	6
HOST	0.74	6	HOST	0.67	5
PHOB	0.84	7	PHOB	0.79	5	AGO	0.81	5				AGO	0.81	4
PARA	0.76	6	PARA	0.74	5	MIS	0.73	4
PSYC	0.78	10	PSYC	0.70	5
GSI	0.97	83	GSI	0.96	49	GSI	0.93	27	GSI	0.90	18	GSI	0.88	14	GSI	0.84	9

Notes: Abbreviations of the SCL-90-R, BSI and BSI-18: SOMA = Somatization; OCD = obsessive-compulsive; INT = interpersonal sensitivity; DEPR = Depression; ANX = Anxiety; HOST = Hostility; PHOB = Phobic Anxiety; PARA = Paranoid Ideation; PSYC = Psychoticism; GSI = Global Severity Index; Abbreviations of the SCL-27: DEP = Depressive symptoms; DYS = Dysthymic symptoms; VEG = Vegetative symptoms; AGO = Agoraphobic symptoms; SOP = Symptoms of social phobia; MIS = Symptoms of mistrust; GSI = Global Severity Index; Abbreviations of the SCL-14: DEP = Depression; PHO = Phobic Anxiety; SOM = Somatization; GSI = Global Severity Index; Abbreviations of the SCL-K-9: GSI = Global Severity Index. 2621 ≤ N ≤ 2632.

ISSN: 1471-244X