Background characteristics of patients completing the questionnaire (n=203)
| Mean (SD) | n (%) | |
| Female | 100 (49.3) | |
| Age years | 65.2 (9.0) | |
| Current smoker | 48 (23.8) | |
| Employment status: | ||
| Receiving disability benefits | 110 (54.2) | |
| Retired | 58 (28.7) | |
| Sick leave | 19 (9.4) | |
| In work | 29 (14.4) | |
| mMRC grade (0–4) | ||
| 0 | – | |
| 1 | 30 (14.9) | |
| 2 | 60 (29.7) | |
| 3 | 62 (30.7) | |
| 4 | 50 (24.8) | |
| Spirometry: | ||
| FEV1 (postbronchodilator, % predicted) | 42 (19) | |
| FEV1/FVC (postbronchodilator) | 0.45 (0.13) | |
| 6 min walking test distance (metres) | 373 (129) | |
| Borg CR10 scale (range 0–10): | ||
| Pre-6MWT | 1.7 (1.2) | |
| Post-6MWT | 6.1 (2.1) | |
| Body mass index (BMI)*, kg/m2 | 25.2 (5.7) | |
| Obesity (BMI >30.0 kg/m2) | 36 (17.7) | |
| No of hospitalisations for COPD last year | ||
| 0 | 107 (52.7) | |
| 1 | 42 (21.0) | |
| 2 | 20 (10.0) | |
| ≥3 | 31 (15.5) | |
| Current acute exacerbation n (%) | 50 (24.6) | |
| Long-term oxygen treatment n (%) | 22 (10.9) | |
| Comorbidity†: | ||
| Asthma | 46 (22.7) | |
| Coronary heart disease | 29 (14.4) | |
| Diabetes | 16 (7.9) | |
| Heart failure | 14 (7.0) | |
| Hypertension | 55 (27.1) | |
| Obstructive sleep apnoea | 20 (10.0) |
*Height and weight measured under rehabilitation.
†Derived from medical records.
COPD, chronic obstructive pulmonary disease; CR10, Category-Ratio 10; FEV, forced expiratory volume; FVC, Forced Vital Capacity; mMRC, modified Medical Research Council; MWT, Minute Walking Test.