Epidemiological survey of mental disorders in urban and rural areas of Liaoning province

  Objective   To describe the prevalence and distribution of mental disorders among people aged 18~65 in Liaoning province.

  Methods   13 358 subjects aged 18~65 were randomly selected from 6 cities and counties by stratified multi-stage cluster sampling method.They were assessed for DSMⅢ-R diagnoses by face to face interview with Composite International Diagnostic Interview(CIDI-1.0).

  Results   The response rate was 86.1%.The adjusted 2-week, 12-month and lifetime prevalence of overall DSMⅢ-R disorders were 5.03%, 8.09%and 11.26%.12-month prevalence of mood, anxiety and alcohol use disorders were 2.01%, 3.97%and 3.27% respectively.Compared with the females, the males have significantly lower lifetime prevalence of mood(OR=0.59, 95%CI=0.48~0.72)and anxiety(OR=0.46, 95%CI=0.39~0.53)disorders, and higher alcohol use disorder(OR=23.67, 95%CI=15.71~35.67).The divorced has significantly eLevated prevalence for all the disorders.Mood disorder was higher among people in urban areas than rural areas(OR=1.54, 95%CI=1.21~1.95).14.60% and 1.40% patients have two or three disorders in their life, the lifetime comorbidity of mood disorders with anxiety and alcohol use disorders were 38.90% and 6.20% respectively.

  Conclusion   Approximately1 in 11 adults have mental disorders, psychiatric diseases have become a serious public health problem in Liaoning province.