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Table 2 Clinical and demographic data of respondents

From: COPD uncovered: an international survey on the impact of chronic obstructive pulmonary disease [COPD] on a working age population

Group [%] Sub-group N [2,426] Males
Country Brazil 408 [17] 148 [36]
  USA 404 [17] 168 [42]
  Germany 400 [16] 167 [42]
  UK 400 [16] 208 [52]
  China 398 [16] 283 [71]
  Turkey 416 [17] 206 [49]
Total   2426 1180 [49]
Age 45-54 1029 [42]  
  55-64 971 [40]  
  65-67 426 [18]  
Working Status   n [%] Males [%]
n = 2400 [%] Working 710 [29] 360 [51]
  Not working 1243 [51] 599 [48]
  Retired early due to COPD* 447 [18] 208 [47]
  Missing 26 [1]  
Severity: [MRC Dyspnoea
Scale]
Mild [1, 2] 849 [35]  
  Moderate [3, 4] 1,012 [42]  
  Severe [5] 521 [22]  
  Missing data 44 [2]  
Ever smoked on a daily basis Yes 2311 [95]  
  No 115 [5]  
Currently smoke Yes 1366 [59]  
  No 1060 [41]  
  Mean Pack Years 38  
Number of co-morbidities by number of respondents [n = 2,404] 0 595 [25]  
  1 753 [31]  
  2 443 [18]  
  3 265 [11]  
  > 4 348 [14]  
  Missing data 22 [1]  
  1. *early retirees