title: [An epidemiological study on the risk factors of irritable bowel syndrome in Zhanjiang, Guangdong province].
abstract: OBJECTIVE
  To assess the risk factors in the pathogenicity of irritable bouel syndrome(IBS) in Zhanjiang city.
  
  
  METHODS
  Two hundred and seven IBS patients were randomly selected and compared with "healthy" people diagnosed in the same hospital during the same period. Roles of major risk factors to IBS were studied through using a case-control study.
  
  
  RESULTS
  Family history of hysteria or mental disease and vegetorsis was closely related to IBS, with ORs 3 and 4 respectively. There was alse close relationship between IBS and psychic trauma, often taking antibiotics, tension at work and eating sweet potato or cassava, with ORs between 1 and 2.
  
  
  CONCLUSIONS
  Our investigation suggested that the six major risk factors mentioned above played important roles in the progression of IBS in Zhanjiang city.
authors.affiliation: Department of Gastrology, PLA422 Hospital, Zhanjiang 524005, China.
authors.forename: H
authors.initials: H
authors.lastname: Ma
authors.forename: Y
authors.initials: Y
authors.lastname: Chen
authors.forename: Y
authors.initials: Y
authors.lastname: Liu
mesh_terms: D016022:Case-Control Studies; D002681:China / Q000453:epidemiology; D003109:Colonic Diseases, Functional / Q000453:epidemiology* / Q000209:etiology; D004032:Diet / Q000009:adverse effects*; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007046:Hysteria / Q000150:complications*; D027723:Ipomoea batatas / Q000009:adverse effects; D016015:Logistic Models; D008297:Male; D002365:Manihot / Q000009:adverse effects; D001523:Mental Disorders / Q000150:complications; D012307:Risk Factors; D013315:Stress, Psychological / Q000150:complications