COMPAR-EU Tools Web
Measures severity of depression. Two versions the BDI (1991) and BDI-II (1996). Both contain 21 questions, each answer being scored on a scale value of 0 to 3. Difference between two questionnaires: The BDI-II dropped four items (Weight Loss, Body Image Change, Somatic Preoccupation, and Work Difficulty) from the original BDI and replaced them with four new items (Agitation, Worthlessness, Concentration Difficulty, and Loss of Energy). The standardized cutoffs used differ from the original: 0–13: minimal depression, 14–19: mild depression, 20–28: moderate depression, 29–63: severe depression.