Prevalence, Correlates, and Comorbidity of Bipolar I Disorder and Axis I and II Disorders

Abstract

Bipolar I disorder is more prevalent in the U.S. population than previously estimated, highlighting the underestimation of the economic costs associated with this illness. Associations between bipolar I disorder and Axis I and II disorders were all significant, underscoring the need for systematic assessment of comorbidity among bipolar I patients.