The prevalence of gastroesophageal reflux disease in an adult, South African black population, and the association with obesity

The aim of the study was to determine the prevalence of gastroesophageal reflux disease (GERD) in a black population in South Africa and to determine if there was any association with obesity.A sample of 312 black subjects was randomly selected and interviewed with a structured questionnaire (GerdQ) consisting of six questions translated into English and two of the most commonly used African languages (Zulu and Xhosa). This question-based...