Major Depression Index (MDI)By Dr. Costa / June 13, 2025 Screens for depression based on clinically significant questions.Major Depression Index (MDI) Calculator Major Depression Index (MDI) Calculator 1. In the last 2 weeks, how often have you felt low in spirits, downhearted or sad? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 2. In the last 2 weeks, how often have you felt no interest in almost anything, or no pleasure in things you usually enjoy? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 3. In the last 2 weeks, how often have you felt tired or had no energy? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 4. In the last 2 weeks, how often have you felt little self-confidence or self-esteem? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 5. In the last 2 weeks, how often have you had feelings of guilt or worthlessness? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 6a. In the last 2 weeks, how often have you had trouble concentrating or felt like your thinking was slowed down? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 6b. In the last 2 weeks, how often have you felt restless or fidgety? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 7. In the last 2 weeks, how often have you had trouble sleeping or slept too much? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 8. In the last 2 weeks, how often have you lost your appetite or eaten too much? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 9. In the last 2 weeks, how often have you felt that life was not worth living or wished you were dead? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 10a. In the last 2 weeks, have you felt much more energetic and active than usual? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time 10b. In the last 2 weeks, have you felt more irritable than usual? Not at allSome of the timeLess than half of the timeMore than half of the timeMost of the timeAll the time Your Total MDI Score:0Not yet calculated Author Dr. CostaSpecialty Doctor, NHS, UK