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Table 1 Basic information among male and female patients with mild COPD

From: Prevalence of anxiety and depression symptoms and their associated factors in mild COPD patients from community settings, Shanghai, China: a cross-sectional study

Characteristics Total Male Female P value
Number [n(%)] 275 134(48.7) 141(51.3) .
Age, years [mean(SD)] 61.5(6.0) 62.1(5.4) 60.9(6.5) 0.113
BMI (kg/m2) [mean(SD)] 25.1(4.0) 24.7(3.9) 25.5(4.2) 0.074
Ever alcohol drinking [n(%)] 54(19.6) 49(36.6) 5(3.5) < 0.0001
Ever smoking [n(%)] 115(41.8) 113(84.3) 2(1.4) < 0.0001
Regular exercise [n(%)] 98(35.6) 48(35.8) 50(35.5) 0.95
Years of education [n(%)]
 < 9 229(83.3) 109(81.3) 120(85.1) 0.403
 ≥ 9 46(16.7) 25(18.7) 21(14.9)  
Monthly household income per capita/Yuan [n(%)]
 < 3000/per month 141(51.3) 57(42.5) 84(59.6) 0.005
 ≥ 3000/per month 134(48.7) 77(57.5) 57(40.4)  
Duration of COPD, year [mean(SD)] 11.3(14.1) 9.4(13.9) 13.2(14.1) 0.004
EQ-5Dvas score [mean(IQR)] 70.6(14.3) 70.1(14.6) 71.0(14.1) 0.322
Regular COPD medication use, in recent 12 months [n(%)] 97(35.3) 48(35.8) 49(34.8) 0.853
Exacerbation, in recent 12 months [n(%)] 77(28.0) 35(26.1) 42(29.8) 0.498
Comorbidity [n(%)] 145(52.7) 61(45.5) 84(59.6) 0.020
  1. Abbreviations: BMI body mass index
  2. For comparison, χ2 test used for binary variables, and Student’s t test or Wilcoxon non-parametric test employed for continuous variables; the bold P values indicated the statistical significance