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Abstract This study analyzed differences in chronic obstructive pulmonary disease (COPD) knowledge awareness among Fujian residents aged 40 years and older, to provide scientific evidence to improve COPD prevention and management. We used data from two independent cross-sectional surveys from the China COPD Surveillance Program conducted in 2019–2020 and 2024–2025, respectively. A multi-stage stratified cluster random sampling method was adopted.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
