Dyspepsia prevalence in general population aged over 20 in the west part of Iran

Objective: to estimate the prevalence of dyspepsia in the general population aged over 20 in western iran. methods: the cross-sectional study was conducted among the randomly selected general population over the age of 20 years in sanandaj city. iran, from april to december 2009. a questionnaire containing demographic, symptoms and history variables was used. dependent variables were self-reported gastrointestinal symptoms. the prevalence of dyspepsia in different groups was analysed using chi square test, while logistic regression analysis was done to determine dyspepsia, ulcer-like, dysmotility-like and reflux-like prevalence after controlling the confounders.results: among 590 respondents, the prevalence of dyspepsia was 54.6% (n=322). among them were 243 (41.2%) cases of uninvestigated dyspepsia. according to dyspepsia classification, the prevalence of ulcer-like, dysmotility-like, reflux-like and non-specific dyspepsia were 31.5% (n=186), 11% (n=65), 27.3% (n=161) and 12.4% (n=74), respectively. difference in dyspepsia prevalence between men and women persisted after adjustment for other factors (p=0.01) and dyspepsia prevalence was higher in over-60-years old group than the middle aged group (p=0.008). conclusion: the study showed high prevalence of dyspepsia in the general population. gender, age, familyhistory and theophylline consumption affect the prevalence of dyspepsia.