ABSTRACT
Objective To investigate the prevalence of COPD in high-risk population in Suzhou, and to explore the corresponding measures against cognitive misunderstanding. Methods From January 2017 to January 2020, a total of 4,800 residents from 4 COPD national monitoring points in Suzhou were selected using a multi-stage stratified cluster sampling method. Questionnaire surveys and lung function tests were conducted. The high-risk groups of COPD and their morbidity and COPD awareness were statistically analyzed. The influencing factors of COPD in Suzhou were analyzed by single factor analysis and multi-factor stepwise logistic regression analysis. Results A total of 4 747 residents were included in the analysis, including 4 249 people with high-risk COPD and 441 confirmed patients. Among them, 75.96% had basic knowledge, 52.15% understood the treatment knowledge, 49.89% understood the self-management, and 61.68% understood the lung rehabilitation training. Multivariate stepwise logistic regression analysis showed that age (OR=1.557, 95%CI=1.202~2.017), daily smoking (OR=2.062, 95%CI=1.673~2.541), cooking fuel being polluted (OR=1.526,95%CI=1.255~1.900), and occupational dust exposure>1 year (OR=1.474, 95%CI=1.196~1.816) were risk factors for COPD, while kitchen with smoke exhaust equipment (OR=0.601, 95%CI=0.465~0.777) and ethnic minorities (OR=0.642, 95%CI=0.508~0.812) were COPD protective factors (P<0.05). Conclusion The incidence of COPD in high-risk population aged ≥40 years in Suzhou area was higher, and the patients' cognitive level was lower. It is necessary to strengthen science popularization, improve health awareness, and reduce the related risk factors.