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Table 12.1 One-Year Prevalence Rates for Psychological Disorders in the United States, 2001–2003
Disease Percentage affected Number affected
Any mental disorder 26.2 81,744,000
Any anxiety disorder 18.1 56,472,000
Specific phobia 8.7 27,144,000
Social phobia 6.8 21,216,000
Agoraphobia 0.8 2,496,000
Generalized anxiety disorder 3.1 9,672,000
Panic disorder 2.7 8,424,000
Obsessive-compulsive disorder 1.0 3,120,000
Posttraumatic stress disorder 3.5 10,920,000
Any mood disorder 9.5 29,640,000
Major depressive disorder 6.7 20,904,000
Bipolar disorder 2.6 8,112,000
Schizophrenia 1.0 3,120,000
Personality disorders
Antisocial personality disorder 1.5 4,680,000
Borderline personality disorder 1.5 4,680,000
Anorexia nervosa 0.1 312,000
Any substance abuse disorder 3.8 11,856,000
Alcohol use disorder 4.4 13,728,000
Drug use disorder 1.8 5,616,000
All cancers* 5.4 16,848,000
Diabetes* 10.7 33,348,000
* These nonpsychological conditions are included for comparison.Sources: Kessler, R. C., Chiu, W. T., Demler, O., & Walters, E. E. (2005). Prevalence, severity, and comorbidity of 12-
month DSM-IV disorders in the National Comorbidity Survey Replication. Archives of General Psychiatry, 62(6),