Helicobacter Pylori Infection Associated Risk Factors Among Children With Gastritis: A Case-only Study

Objective:To investigate the infection rate of Helicobater pylori(Hp) and clinical presentation and evaluate the associated risk factors for children with Hp infection in Shaoxing district,Zhejiang province. Material and Methods:Using Olympus fiber gastroscope(GIF P30),301 children with upper gastrointestinal tract symptoms for the duration above 1 month were detected. Additionally,a questionnaire was performed and analyzed for each case with regard to age,sex,living place and environment,family's income,mother's job and education, the guardian's history of stomach disease,breast feeding,and eating food chawed by parents.Results:The Hp infection rate was 33.6 percent and among which was 65.4 percent for digestive ulcer in local children.Eating the food chawed by parents could increase the risk of Hp infection for children,whereas the higher the mother's education status could lower the risk of Hp infection.There were no significantly associations between children's Hp infection and breast breeding,guardian's history of stomach disease, mother's job,family's income,as well as living place and other factors.Conclusion:Children's Hp infection rate increased with age and related to some factors,which are mother's education status and eating food chawed by parents.Hp infection could enhance the risk of ulcer for children.