Anxiety Disorders in Primary Care: Prevalence, Impairment, Comorbidity, and Detection

Background: Anxiety, although as common as depression, has received less attention and is often undetected and undertreated. Objective: To determine the current prevalence, impairment, and comorbidity of anxiety disorders in primary care and to evaluate a brief measure for detecting these disorders. Design: Criterion-standard study performed between November 2004 and June 2005. Setting: 15 U.S. primary care clinics. Participants: 965 randomly...