Questionnaire assessment | All Participants with spirometry (N = 64) | Participants without OLD (Fixed Ratio) on spirometry (N = 26) | Participants without OLD (LLN) on spirometry (N = 35) | Participants with OLD (Fixed Ratio) on spirometry (N = 38) | Participants with OLD (LLN) on spirometry (N = 29) | Participants with significant reversibility on spirometry (N = 10) |
---|---|---|---|---|---|---|
CAN-COLD a (percentage) | ||||||
 Cough (with no cold) | 64% | 58% | 60% | 68% | 69% | 80% |
  < 2 years b | 8% | 4% | 6% | 11% | 10% | 10% |
  2–5 years b | 13% | 19% | 17% | 8% | 7% | 10% |
  > 5 years b | 31% | 31% | 11% | 32% | 28% | 40% |
 Phlegm (with no cold) | 70% | 54% | 60% | 82% | 83% | 80% |
  < 2 years c | 17% | 19% | 20% | 16% | 14% | 20% |
  2–5 years c | 9% | 15% | 11% | 5% | 7% | 10% |
  > 5 years c | 20% | 8% | 11% | 29% | 31% | 40% |
 Chest | ||||||
  Wheezing/Whistling | 72% | 69% | 74% | 74% | 69% | 70% |
  With cold | 33% | 31% | 29% | 34% | 38% | 50% |
 Chest | ||||||
  Shortness of Breath | 39% | 38% | 37% | 39% | 41% | 60% |
  Unable to walk | 36% | 38% | 34% | 34% | 38% | 40% |
CAT (Mean/SD) | ||||||
 Cough | 4.03 (1.36) | 4.00 (1.50) | 4.09 (1.42) | 4.05 (1.27) | 3.97 (1.30) | 4.20 (1.25) |
 Phlegm | 3.92 (1.46) | 3.85 (1.38) | 4.06 (1.39) | 3.97 (1.53) | 3.76 (1.55) | 4.20 (1.81) |
 Chest | 3.06 (1.62) | 2.88 (1.63) | 3.00 (1.66) | 3.18 (1.63) | 3.14 (1.60) | 3.40 (1.58) |
 Walk | 3.34 (1.85) | 3.35 (2.08) | 3.34 (1.92) | 3.34 (1.71) | 3.34 (1.80) | 3.80 (1.75) |
 Activities | 2.55 (1.60) | 2.54 (1.68) | 2.63 (1.70) | 2.55 (1.57) | 2.45 (1.50) | 3.20 (1.48) |
 Confident | 2.47 (1.83) | 2.85 (2.09) | 2.54 (1.92) | 2.21 (1.61) | 2.38 (1.76) | 2.00 (1.05) |
 Sleep | 3.25 (1.88) | 2.88 (1.99) | 3.20 (1.97) | 3.50 (1.78) | 3.31 (1.79) | 3.30 (1.83) |
 Energy | 3.21 (1.61) | 3.12 (1.61) | 3.29 (1.56) | 3.27 (1.63) | 3.11 (1.69) | 3.78 (1.79) |
 CAT score d | 25.78 (8.45) | 25.46 (9.09) | 26.14 (8.81) | 26.00 (8.10) | 25.34 (8.12) | 27.5 (8.17) |