The BDI assesses the current depression level. Each of the 21 items corresponding to a symptom of depression is summed to give a single score for the BDI-II. There is a four-point scale for each item ranging from 0 to 3. On two items (16 and 18) there are seven options to indicate either an increase or decrease of appetite and sleep. Cut-off score guidelines for the BDI-II are given with the recommendation that thresholds be adjusted based on the characteristics of the sample, and the purpose for use of the BDI-II. Total score of 0–13 is considered minimal range, 14–19 is mild, 20–28 is moderate, and 29–63 is severe. This scale can be scored either manually or using the Pearson proprietary software Q-global.
Year: 1996 Authors: Beck Disease: Obesity Outcome: Quality of life-Physical and psychological functioning
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Measure: Depression
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Number of RCTs that used this tool (in our study): 10
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Scale: Lower scores are better, scores range 0-63 Reference: Beck AT (1972). Depression: Causes and Treatment. Philadelphia: University of Pennsylvania Press. ISBN 0-8122-1032-8.
Target population: General population Focus Generic Translations available: Yes Original version validated: Yes Original language: English Form of delivery: Self-reported Licence needed: Yes