A community population-based epidemiologic investigation of chronic constipation in Lu′an city

Aim An epidemiological investigation of the chronic constipation was made into community crowds of Lu'an city,Anhui province to investigate prevalence of chronic constipations and analyze possible reasons.Method A questionnaire survey was conducted among community residents aged≥18 years in Lu'an City by randomizing clustered sampling under stratification.The data were analyzed by logistic regression.Result A total of 3709 residents(male 1898,female 1811) were investigated.The prevalence of chronic constipation in Lu'an city is 3.75% according to Rome Ⅲ criteria.Among them male prevalence is 3.27%,while female prevalence is 4.25%.The age-and gender-specific standardized constipation rates after gender and age adjustment was 3.39%.The occurrence of constipation tended to increas among residents over 60 years old.Of constipated patients 41.73% match the irritable bowel syndrome.The educational bachground,marital status,manual labor,cigarette use,alcohol use etc weren't observably associated with chronic constipation.Logistic regression shows that hemorrhoids(OR=4.602),constipation developed by the next of kin(OR=13.937),bacon intake(OR=10.238) are risk factors of the constipation.Regular defecation(OR=0.147),coarse food grain(OR=0.023),pickle(OR=0.315) can reduce the risk of the constipation.The SDS,SAS grade point of chronic constipation crowd is obviously higher than that of control group(P0.001).Conclusion The chronic constipation is a common disorder in community residents of Lu'an City.The prevalence of elder people is higher.Foods,heredity and psychological factor etc were associated with risk factors for chronic constipation.The constipation brings about bad influence on people's standard of living.