A factor analytic comparison of three commonly used depression scales (HAMD, MADRS, BDI) in a large sample of depressed inpatients

Table 4 Single item correlation with BDI total score and internal consistency (Cronbach’s alpha, coefficient Omega)

BDI Item	Correlation
BDI A-Sadness	0.75
BDI B-Future pessimism	0.69
BDI C-Feeling like failure	0.66
BDI D-Lack of enjoyment	0.71
BDI E-Guilt	0.59
BDI F-Feelings beeing punished	0.50
BDI G-Dissapointment oneself	0.67
BDI H-Self blame	0.64
BDI I-Suicidal thoughts	0.59
BDI J-Crying	0.55
BDI K-Irritability	0.52
BDI L-Interest in people	0.66
BDI M-Making decisions	0.71
BDI N-Appearence	0.53
BDI O-Work	0.68
BDI P-Sleep	0.49
BDI Q-Tiredness	0.62
BDI R-Appetite	0.54
BDI S-Weight loss	0.24
BDI T-Health anxiety	0.41
BDI U-Interest in sex	0.49
C’s alpha	0.91
Omega	0.92

ISSN: 1471-244X