An epidemiological study of functional constipation in Minhang District of Shanghai

Objective: To investigate the prevalence of functional constipation( FC) in Minhang District of Shanghai. Methods: A questionnaire survey was conducted among permanent inhabitants more than 18 years old in Minhang District of Shanghai by randomizing clustered sampling. All the questionnaires were filled out by trained doctors. Results: From May to August 2010,there were 2 113 inhabitants received investigation,in which there were 139 FC patients. The prevalence rate of FC is 6. 6% according to Rome Ⅲ criteria. The risk factors maybe include female,elder,employee in government,higher incomes,insomnolence( P 0. 05 to P 0. 01). Conclusions: FC is a common disorder in Minhang District of Shanghai,and is influenced by many factors.