pidemiology of asthma and associated factors in an urban Pakistani population: Adult asthma study-Karachi

This study was conducted in order to determine the prevalence of asthma and associated risk factors in the adult population of Karachi, Pakistan. Methods: This multi-stage, cross-sectional survey was conducted from May 2014–August 2015; comprising 1629 adults in 75 randomly selected clusters in Karachi, Pakistan.