The Beck Depression Inventory–II total scores of 35 (14%) outpatients who were diagnosed with a mild DSM–IV Major Depressive Episode (MDE), 144 (55%) outpatients with a moderate MDE, and 81 (31%) outpatients with a severe MDE were compared. The mean BDI–II total scores were, respectively, 18 (SD = 8, 99% CI 12–23), 27 (SD = 10, 99% CI 24–29), and 34 (SD = 10, 99% CI 30–37) (F2,257 = 33.25, p < .001). The mean BDI–II total score of the outpatients with a severe specifier was significantly higher than the mean BDI–II total score of the outpatients with a moderate specifier which was, in turn, significantly higher than the mean BDI–II total score of the outpatients with a mild specifier.
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