Factors Associated with Chronic Obstructive Pulmonary Diseases in Nepa
Study Design and Subjects This study has used data from the prevalence study of selected chronic non-communicable diseases in Nepal. This is a population-based, nationwide cross-sectional survey conducted from 2016 to 2018 in all seven provinces of Nepal. Data were collected through a multistage cluster sampling with a mix of probability proportionate to size (PPS) and systematic random sampling. The detailed methodology has been presented elsewhere. 18 Males and females aged ⩾20 years and residents in the study area for at least the last 6 months were eligible for participation in the stud...