Evid Based Mental Health 10:93 doi:10.1136/ebmh.10.3.93
  • Prevalence

Obsessive-compulsive disorder is uncommon but associated with high levels of comorbid neuroses, impaired function and increased suicidal acts in people in the UK

 Q How common is obsessive-compulsive disorder in people in the UK?



Cross-sectional study.


General population, UK; 2000.


8580 people aged 16–74 years (56% female; 91% Caucasian) living in private households. Postcode areas from the Postcode Address File were stratified by socioeconomic status and geographical area and 438 selected at random. 36 households were selected randomly from each postcode area, and one individual selected randomly from each household to participate in the survey.


Non-clinical interviewers carried out computer-assisted structured interviews to assess neurotic disorders, impairment, substance misuse and suicide attempts. Neurotic disorders were assessed using the Clinical Interview Schedule-Revised and diagnosed according to ICD-10 criteria based on symptoms experienced in the past month. A second interview assessed psychosis and personality disorder. Non-response and differing selection probabilities were accounted for by weighting of final prevalence estimates. Logistic regression analysis was used to estimate prevalence of obsessive-compulsive disorder and examine …