1. The Epidemiology of Anxiety Disorders

4. Lifetime Prevalence of Anxiety Disorders by Age Source: Kessler RC et al. Lifetime prevalence and age-of-onset distributions of DSM-IV disorders in the National Comorbidity Survey Replication. Arch Gen Psychiatry 62:593-602. Total (%) 18-29 (%) 30-44 (%) 45-59 (%) 60+ Any anxiety disorder 28.8 30.2 35.1 30.8 15.3 Panic disorder 4.7 4.4 5.7 5.9 2.0 Agoraphobia (w/o panic) 1.4 1.1 1.7 1.6 1.0 Specific phobia 12.5 13.3 13.9 14.1 7.5 Social phobia 12.1 13.6 14.3 12.4 6.6 Generalized anxiety disorder 5.7 4.1 6.8 7.7 3.6 Post-traumatic stress disorder 6.8 6.3 8.2 9.2 2.5 Obsessive-compulsive disorder 1.6 2.0 2.3 1.3 0.7 Separation anxiety disorder 5.2 5.2 5.1 NA NA

6. Twelve-Month Prevalence of Anxiety Disorders by Severity Source: Kessler RC et al. Lifetime prevalence and age-of-onset distributions of DSM-IV disorders in the National Comorbidity Survey Replication. Arch Gen Psychiatry 62:593-602. Total (%) Serious (% of all cases) Moderate (% of all cases) Mild (% of all cases) Any anxiety disorder 18.1 22.8 33.7 43.5 Panic disorder 2.7 44.8 29.5 25.7 Agoraphobia (w/o panic) 0.8 40.6 30.7 28.7 Specific phobia 8.7 21.9 30.0 48.1 Social phobia 6.8 29.9 38.8 31.3 Generalized anxiety disorder 3.1 32.3 44.6 23.1 Post-traumatic stress disorder 3.5 36.6 33.1 30.2 Obsessive-compulsive disorder 1.0 50.6 34.8 14.6 Separation anxiety disorder 0.9 43.3 24.8 31.9