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Table 1 Basic feature of COPD patients

From: Vulnerability, beliefs, treatments and economic burden of chronic obstructive pulmonary disease in rural areas in China: a cross-sectional study

Variable N (%)
Sex
  male 3,930 47.8
  female 4,287 52.2
Age (years)
  <40 620 7.6
  40~ 2,566 31.2
  60~ 4,297 52.3
  80~ 734 8.9
Marital status
  unmarried 172 2.1
  married 5,890 71.7
  divorced 43 0.5
  widowed 2,112 25.7
Living arrangement
  live alone 1,018 12.4
  live with spouse 4,547 55.3
  live with children 2,315 28.2
Others 337 4.1
Education   
  illiterate 4,665 56.8
  primary school 1739 21.2
  junior school 1,090 13.3
  high school 723 8.8
Household income per month (yuan)
  <300 3,541 43.1
  300~ 2,337 28.4
  500~ 1,613 19.6
  1,000~ 726 8.8
Disease history (years)
  <5 796 9.7
  5~ 1,048 12.8
  10~ 1,928 23.5
  20~ 3,903 47.5
  30~ 542 6.6