Epidemiology of asthma and associated factors in an urban Pakistani population: adult asthma study-Karachi.

ABSTRACT:

Background

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. Definitions included: 'self-reported asthma', 'reversibility in FEV₁^' and 'respiratory symptoms and reversibility in FEV₁'.

Results

Prevalence of asthma was 1.8% (self-reported) (95% CI: 1.0-2.6), 11.3% (reversibility in FEV₁) (95% CI: 9.4-13.3) and 6.6% (symptoms and reversibility in FEV₁) (95% CI: 5.1-8.1). Asthmatics were more likely to belong to the age group ≥38 years according to 'reversib

SUBMITTER: Razzaq S 

PROVIDER: S-EPMC6278017 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature