Morbidity and influencing factors of chronic obstructive pulmonary disease in residents(≥ 40 years old)of Liaoning Province
Objective To understand the morbidity and influencing factors of chronic obstructive pulmonary disease(COPD)in residents(≥40 years old)in Liaoning Province,and provide the theoretical basis for the formulation of COPD prevention and control strategies in Liaoning Province.Methods From November 2019 to May 2020,the multi-stage stratified random cluster sampling method was used to select the permanent residents(≥ 40 years old)from four monitoring sites(Xinmin city of Shenyang,Mingshan district ofBenxi,Donggang city of Dandong and Haizhou district of Fuxin)of Liaoning Province as the subjects.The investigation was performed with the questionnaire,physical examination and pulmonary function test.Estimation methods for complex sampling and weighting rates was used to analyze the COPD morbidity.The Rao-Scottx2 test based on the complex sampling design and the Fisher's exact test were used to compare the difference of COPD morbidity among residents with different characteristics.Multivariate logistic regression analysis was used to analyze the influencing factors of COPD morbidity.The used software was SPSS 27.0.Results Among the 2 110 subjects,the adjusted morbidity of COPD was 14.00％(283 cases).Multivariate logistic regression analysis showed that subjects ≥60 years old(as compared with 40-49 years old,OR60_69=4.682,95％CI:2.540-8.630;OR≥70=6.974,95％CI:3.603-13.499),smoking(as compared with no-smoking,OR current smoking=2.826,95％CI:1.858-4.300;ORprevious smoking=3.377,95％CI:2.457-4.641),personal history of respiratory system diseases(OR=3.115,95％CI:2.250-4.313)and family history of respiratory system disease(OR=1.868,95％CI:1.384-2.522)correlated to the high risk of COPD in residents(≥40 years old)in Liaoning Province;higher education level(compared with ≤ primary school level,OR≥college level=0.440,95％CI:0.227-0.890),technical personnel(OR=0.258,95％CI:0.107-0.621),retired personnel(OR=0.631,95％CI:0.417-0.956),overweight(OR=0.698,95％CI:0.510-0.955)and obesity(OR=0.663,95％CI:0.448-0.983)correlated to the low risk of COPD in residents(≥40 years old)in Liaoning Province.Conclusion The COPD morbidity in residents(≥40 years old)in Liaoning Province is higher.It should pay attention to the health publicity and education,and strengthen specially the COPD prevention and treatment for residents with smoking,high age,low education level and personal or family history of respiratory system diseases.
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