Helicobacter pylori seropositivity among adolescents in Novosibirsk, Russia: prevalence and associated factors.

Objectives: We have reported previously that infection is widespread among adults in Siberia, in whom prevalence rates range from 70% to 90%. The present study was undertaken to determine the seroprevalence of infection and its relation to social factors in a community-based population of adolescents in Novosibirsk, Western Siberia.

Methods: All students in forms 9 to 11 of four randomly selected secondary schools participated.