[Prevalence of dyspepsia and associated sociodemographic factors].

Objective: To assess prevalence of dyspepsia and distribution of dyspepsia and frequent dyspepsia in subgroups of adults (20 years and older) according to their demographic and socioeconomic characteristics.

Methods: A cross-sectional population-based study was carried out comprising 3,934 subjects living in Pelotas, Southern Brazil, from October 1999 to January 2000. Data was collected through household interviews.

[Gastroesophageal reflux disease: prevalence and associated factors].

Background: O gastroesophageal reflux is a high prevalent disease with prevalence rates ranging from 21 to 56% in different countries.

Objective: To study the epidemiology and the prevalence of gastroesophageal reflux disease among adult population (20 years and old) at the city of Pelotas, southern Brazil.

Methodology: A population-based cross-sectional study was conducted.