Clinical trials

The goal of this cross-sectional observational study is to estimate the prevalence of lung function impairment as measured by spirometry in a population of Gambian women aged 15 and older. The main question\[s\] it aims to answer are: * What is the prevalence of lung function impairment in Gambian women * What is the prevalence of eosinophilic inflammation in Gambian women Consenting participants will undergo * Spirometry * Fractional exhaled nitric oxide (FENO) testing * α1-antitrypsin testing in patients with lung function impairment as assessed by spirometry