Epidemiological study on status of Helicobacter pylori in adult in Wuwei city

AIM:To determine sero-prevalence of and factors for helicobacter pylori(Hp)infection among residents aged larger than 18 years,Wuwei city.METHODS:A Cross-sectional survey was conducted among 797 randomly selected residents aged larger than 18 years from villages and town of Wuwei city.Questionnaire was administered to collected medical and risk behavioral information.Venous blood was collected for Hp antibody testing.RESULTS:Hp prevalence rates were 81.8%,and increased with age.Prevalence of Hp infection is associated with aged,occupation and drinking water source etc.According to multivariate analysis,variables such as occupation,drinking water source,before meal to wash hands and gastric cancer or gastrosis patient in family are most strongly associated with prevalence of H.pylori in adult.CONCLUSION:Hp infective rate was high in Wuwei city.The data support the daily life of contact and water resources transmission as the primary transmission pathways of H.pylori.