Prevalence of Physician-Diagnosed COPD and Its Association With Smoking Among Urban and Rural Residents in Regional Mainland China
Xu F, Yin X, Zhang M, Shen H, Lu L, Xu Y. Prevalence of Physician-Diagnosed COPD and Its Association With Smoking Among Urban and Rural Residents in Regional Mainland China. CHEST Journal 2005, 128: 2818-2823. PMID: 16236960, DOI: 10.1378/chest.128.4.2818.Peer-Reviewed Original ResearchConceptsPrevalence of COPDOverall prevalencePhysician-diagnosed COPDRegional mainland ChinaRegular local residentsBody mass indexPrevalence of physicianCross-sectional studyWorld Health Organization expertsDose-response relationshipArea of residenceCOPD prevalencePassive smokingMass indexAlcohol drinkingCOPDPhysical activityRural adultsChinese adultsResponse rateRural participantsOverall populationPrevalenceAverage family incomeNonsmokers