Table 4.
Results of the quality of life EuroQoL-5 dimensions (EQ-5D) and physical activity (London Chest Activity on Daily Living scale [LCADL]) questionnaires in the study groups
| Total (n=276) | Smokers and ex-smokers (n=197) | Non-smokers (n=79) | P-value | |
|---|---|---|---|---|
| EQ-5D | 0.69 (0.16) | 0.74 (0.21) | 0.57 (0.16) | 0.001 |
| Impact on respiration* | ||||
| Great (%) | 3 | 3 | 0 | |
| A little (%) | 9.9 | 6.9 | 3 | 0.217 |
| None (%) | 87.1 | 60.3 | 29.7 | |
| Total LCADL score | 10.6 (1.81) | 11.7 (2.23) | 8.79 (1.66) | 0.001 |
| LCADL self-care | 3.69 (0.89) | 3.92 (1.01) | 3.17 (0.98) | 0.002 |
| LCADL household activity | 1.93 (0.33) | 2.31 (0.98) | 1.01 (0.22) | 0.001 |
| LCADL physical activity | 2.11 (0.15) | 2.21 (0.16) | 1.87 (0.11) | 0.001 |
| LCADL leisure activity | 2.87 (0.77) | 3.16 (0.89) | 2.74 (0.74) | 0.007 |
Notes: All the values are expressed as mean (SD), except when indicated otherwise.
*
Corresponds to the question in the LCADL scale, “How do your usual activities affect your breathing?”.