Victor M Cardenas1, David Y Graham. 1. UT School of Public Health at Houston-El Paso Campus, El Paso, TX, USA. Victor.Cardenas@uth.tmc.edu
Abstract
BACKGROUND: Although the prevalence of Helicobacter pylori infection has been assessed in the National Health and Nutritional Examination Survey (NHANES), its possible relation with smoking has not been fully explored. METHODS: We used the 1999-2000 NHANES data to examine whether smoking affects the prevalence of H. pylori infection in adults (n = 3689). The prevalence of H. pylori infection, as assessed by anti-H. pylori IgG enzyme-linked immunoassay, was computed according to smoking history and levels of serum cotinine. RESULTS: Current smoking was associated with an increased prevalence of H. pylori infection (prevalence odds ratio =1.9; 95% confidence interval = 1.4-2.5) after controlling for possible confounders. Current smoking, as measured by increased serum cotinine, was also associated with an increased prevalence of H. pylori infection (1.6; 1.3-2.0). There was no evidence of a dose-response relation. CONCLUSIONS: Smoking may contribute to the persistence of H. pylori infection.
BACKGROUND: Although the prevalence of Helicobacter pylori infection has been assessed in the National Health and Nutritional Examination Survey (NHANES), its possible relation with smoking has not been fully explored. METHODS: We used the 1999-2000 NHANES data to examine whether smoking affects the prevalence of H. pyloriinfection in adults (n = 3689). The prevalence of H. pyloriinfection, as assessed by anti-H. pylori IgG enzyme-linked immunoassay, was computed according to smoking history and levels of serum cotinine. RESULTS: Current smoking was associated with an increased prevalence of H. pyloriinfection (prevalence odds ratio =1.9; 95% confidence interval = 1.4-2.5) after controlling for possible confounders. Current smoking, as measured by increased serum cotinine, was also associated with an increased prevalence of H. pyloriinfection (1.6; 1.3-2.0). There was no evidence of a dose-response relation. CONCLUSIONS: Smoking may contribute to the persistence of H. pyloriinfection.
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