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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

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

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
  1. 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.