Mixed, melancholic, and anxious features in depression: a cross-sectional study of sociodemographic and clinical correlates.

Major depression (MD) is currently viewed as a heterogeneous condition, characterized by different psychopathological dimensions.Our sample was composed of 1,289 nonpsychotic bipolar/unipolar depressed patients. Participants were divided into mixed (MXD), melancholic (MEL), and anxious (ANX) depressed, according to a hierarchical functional model. Sociodemographic and clinical variables were compared across depressive subtypes by χ2 test and...