Table 2 Psychometric characteristics of the BDI-II: N = 624
BDI-II item | Corrected item total correlation | Mean (SD) | % subjects scoring > 0 |
|---|---|---|---|
BDI 1: sadness | 0.46 | 0.86(0.73) | 70.0 |
BDI 2: pessimism | 0.42 | 0.52(0.80) | 36.4 |
BDI 3: past failure | 0.48 | 0.49(0.76) | 33.5 |
BDI 4: loss of pleasure | 0.42 | 0.95(0.97) | 62.0 |
BDI 5: guilty feelings | 0.36 | 0.91(0.86) | 60.4 |
BDI 6: punishment feelings | 0.41 | 0.75(0.95) | 45.7 |
BDI 7: self-dislike | 0.51 | 0.40(0.73) | 28.2 |
BDI 8: self-criticalness | 0.36 | 1.1(0.87) | 76.6 |
BDI 9: suicidal thoughts | 0.45 | 0.26(0.54) | 22.4 |
BDI 10: crying | 0.39 | 0.73(1.1) | 40.5 |
BDI 11: agitation | 0.37 | 0.98(1.1) | 63.5 |
BDI 12: loss of interest | 0.39 | 0.64(0.79) | 45.7 |
BDI 13: indecisiveness | 0.52 | 0.98(0.89) | 63.1 |
BDI 14: worthlessness | 0.40 | 0.49(0.81) | 29.3 |
BDI 15: loss of energy | 0.50 | 0.99(0.81) | 67.9 |
BDI 16: sleep pattern | 0.43 | 0.83(0.82) | 61.7 |
BDI 17: irritability | 0.49 | 1.1(0.93) | 72.3 |
BDI 18: appetite | 0.37 | 0.68(0.84) | 49.0 |
BDI 19: concentration | 0.14 | 0.75(1.0) | 44.6 |
BDI 20: tiredness | 0.26 | 0.68(0.84) | 49.0 |
BDI 21: loss of interest in sex | 0.23 | 0.47(0.81) | 30.8 |