Who is affected by obsessive-compulsive disorder?

Obsessive-compulsive disorder (OCD) is a common anxiety disorder that affects 2% to 3% of the general population (millions of people worldwide).¹

• OCD usually begins during late adolescence or early adulthood.
• One-third of those with OCD report that their first symptoms began before the age of 15.²
• OCD occurs equally in males and females.
• OCD usually starts earlier in males than in females. (It is possible for preschool children to develop OCD, although this is rare.)³
  • Males most often develop OCD between the ages of 6 and 15.
  • Females usually develop OCD between the ages of 20 and 29.
  • OCD is found in people from all ethnic backgrounds.
  • OCD occurs more often in people who have parents or siblings (first-degree family members) with OCD.^{3, 4}

Author:	Douglas Dana Sabra L. Katz-Wise	Last Updated: October 16, 2006
Medical Review:	Adam Husney, MD - Family Medicine Tom Bailey, MD - Family Medicine Lisa S. Weinstock, MD - Psychiatry
© 1995-2008 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.This information does not replace the advice of a doctor. Healthwise disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.