Asian Journal of Epidemiology1992-14622077-205XAsian Network for Scientific Information10.3923/aje.2011.1.8Helicobacter pylori Infection among Health Center Referrals in Khorramabad (West of Iran)]]>SheikhianA. AtaherianS. DelfanM. EbrahimzadehF. PourniaY. 1201141Helicobacter pylori infects about one half of the world population. Since there was no information about the epidemiology of H. pylori infection in Khorramabad, west of Iran, this study was done to determine the prevalence and potential risk factors of H. pylori infection in this region. Helicobacter pylori specific ELISA for the presence of IgG antibodies was done on the sera of 381 cases. A questionnaire was used to gather the information related to demographic, hygienic and lifestyle variables. The overall prevalence of infection was 43%. A positive association was found with increasing age (p = 0.002), premastication of food by mother (p = 0.019) and education level (p = 0.011), but not with gender and family size. 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