Hygiene Could Affect GERD Prevalence Independently: A Population-Based Study in Tehran

OBJECTIVE Population-based data on gastroesophageal reflux disease (GERD) in Iran are limited. Current study is going to determine the prevalence of GERD in Tehran, Iran, and its association with potential risk factors. METHODS In this cross-sectional study, a random clustered sample of Tehran province permanent households was selected from the latest postcodes. Data were collected by direct interview for each person aged 18–65 yr. GERD was...