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Table 2 Age-standardized prevalence, diagnosis, and treatment of chronic obstructive pulmonary disease by sex, age, and lifestyle factors in Yunnan Province, China

From: Socioeconomic variations in chronic obstructive pulmonary disease prevalence, diagnosis, and treatment in rural Southwest China

VariablePrevalence (N = 7534)Diagnosis (N = 1066)Receiving treatment (N = 1066)
%95% CI%95% CI%95% CI
Sex
 Male17.1(15.6, 18.1)24.7(21.6, 28.5)23.3(20.4, 27.1)
 Female11.4**(10.7, 12.7)24.5(20.5, 28.3)23.8(19.9, 27.6)
Age
 35–39 years8.3(6.8, 10.3)4.8(0.7, 9.5)4.9(0.8, 9.4)
 40–49 years8.9(6.0, 12.6)11.2(7.3, 18.7)10.8(6.7, 17.8)
 50–59 years11.2(9.7, 12.4)21.5(16.9, 27.7)20.6(16.1, 26.8)
 60–69 years15.9(14.1, 17.4)24.7(20.3, 30.2)24.5(20.3, 30.2)
  ≥ 70 years21.3**(19.5, 23.2)30.8**(26.8, 36.8)28.7**(24.9, 33.7)
Current smokers
 Yes19.2(17.5, 20.3)18.4(15.1, 23.2)17.5(14.1, 22.0)
 No10.9**(10.2, 12.1)27.8**(24.3, 30.9)26.7**(23.4, 29.9)
Former smokers
 Yes15.6(14.1, 17.1)27.6(23.2, 33.1)27.1(22.7, 32.6)
 No13.3(12.9, 14.8)26.9(22.8, 31.7)26.1(21.8, 30.2)
SHS exposure
 Yes20.6(18.1, 22.0)28.0(23.5, 33.4)26.9(22.6, 32.4)
 No12.2**(11.8, 13.5)26.8(22.8, 31.5)26.2(21.8, 30.4)
Tobacco cultivator
 Yes17.9(14.8, 20.4)22.7(16.0, 30.8)20.6(14.5, 28.9)
 No13.5**(13.0, 14.7)24.5(22.2, 27.7)23.8(21.3, 26.7)
Daily indoor exposure to biomass fuel
 Yes23.7(18.8, 28.4)7.1(3.1, 15.9)5.6(2.3, 14.0)
 No13.2**(12.7, 14.6)25.7**(23.2, 28.6)24.9**(22.2, 27.5)
Family history of lung disease
 Yes13.9(13.2, 14.8)70.6(50.8, 85.1)66.9(46.7, 80.0)
 No27.3**(18.9, 37.0)23.8**(21.0, 26.2)22.3**(20.1, 25.2)
Underweight
 Yes18.3(15.4, 23.1)28.0(19.4, 39.5)25.0(17.1, 36.7)
 No14.2**(13.1, 14.7)24.1(21.7, 27.1)23.2(20.9, 26.1)
All14.3(13.4, 15.4)24.2(22.1, 27.3)23.1(22.2, 27.5)
  1. * p < 0.05, ** p < 0.01