Prevalence and predictors of recurrence of major depressive disorder in the adult population

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Abstract
Hardeveld F, Spijker J, De Graaf R, Nolen WA, Beekman ATF. Prevalence and predictors of recurrence of major depressive disorder in the adult population.Objective:  Knowledge of the risk of recurrence after recovery of a major depressive disorder (MDD) is of clinical and scientific importance. The purpose of this paper was to provide a systematic review of the prevalence and predictors of recurrence of MDD.Method:  Studies were searched in Medline en PsychINFO using the search terms ‘recur*’, ‘relaps*’, ‘depress*’, ‘predict*’ and course.Results:  Recurrence of MDD in specialised mental healthcare settings is high (60% after 5 years, 67% after 10 years and 85% after 15 years) and seems lower in the general population (35% after 15 years). Number of previous episodes and subclinical residual symptoms appear to be the most important predictors. Gender, civil status and socioeconomic status seem not related to the recurrence of MDD.Conclusion:  Clinical factors seem the most important predictors of recurrence. Data from studies performed in the general population and primary care on the recurrent course of MDD are scarce.