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Journal Article

Citation

Wakefield JC, Schmitz MF. Acta Psychiatr. Scand. 2014; 129(6): 445-457.

Affiliation

School of Social Work and Department of Psychiatry, New York University, New York, NY, USA.

Copyright

(Copyright © 2014, John Wiley and Sons)

DOI

10.1111/acps.12184

PMID

23952635

Abstract

OBJECTIVE: To evaluate the predictive validity of a proposed benign major depressive disorder (MDD) subtype, single-episode 'uncomplicated MDD', defined as MDD that remits within 6 months and lacks severe impairment, psychotic ideation, suicidal ideation, psychomotor retardation, and feeling worthless. METHOD: Using two-wave National Epidemiologic Survey on Alcohol and Related Conditions data, four groups differing in wave 1 lifetime MDD history (no history [n = 27 609]; single-episode uncomplicated [n = 418]; other single-episode [n = 1943]; multiple episode [n = 2473]) were evaluated for 3-year follow-up rates of major depressive episode (MDE), generalized anxiety disorder (GAD), and suicide attempt. RESULTS: Follow-up rates for no-MDD-history, single-episode uncomplicated MDD, other single-episode MDD, and multiple-episode MDD, respectively, were depressive episode 6.1%, 6.9%, 19.5%, 27.1%; GAD 2.7%, 4.3%, 7.8%, 11.2%; and suicide attempt 0.3%, 0.1%, 0.8%, 1.7%. For all validators, 3-year rates for single-episode uncomplicated cases were not significantly different from no-MDD-history rates, but significantly lower than both single- and multiple-episode other-MDD rates. Mild MDD, defined by having only five or six symptoms, did not yield similarly benign results; logistic regression showed 'uncomplicated' provides incremental validity over 'mild' in explaining validator rates. Validator differences were not explainable by treatment-rate differences. CONCLUSION: Single-episode uncomplicated MDD is a benign subtype lacking typical MDD negative sequelae. The planned DSM-5.1 revision should reinstitute an extended bereavement exclusion applied to all stressors.


Language: en

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