Table 1.
Participant characteristics.
| Characteristics | Completing study (n=94) | |
| Age (years), mean (SD) | 69.7 (9.3) | |
| Male, n (%) | 57 (60.6) | |
| BMIa, n (%) |
|
|
|
|
Underweight | 3 (5.9) |
|
|
Normal weight | 14 (27.5) |
|
|
Overweight | 16 (31.4) |
|
|
Obese | 18 (35.3) |
| FEV1%b, mean (SD) | 47.7 (15.9) | |
| GOLDc staging, n (%) |
|
|
|
|
Moderate | 37 (39.4) |
|
|
Severe | 40 (42.6) |
|
|
Very severe | 17 (18) |
| Smoking status, n (%) |
|
|
|
|
Current smoker | 18 (19.2) |
|
|
Exsmoker (<2 years) | 13 (13.8) |
|
|
Exsmoker (≥2 years) | 63 (67) |
| Years smoking, median (IQR) | 40 (29-55) | |
| MRCd dyspnea score, n (%) |
|
|
|
|
2 | 15 (16) |
|
|
3 | 64 (68.1) |
|
|
4 | 15 (16) |
| EQ-5De index, median (IQR) | 0.6 (0.5-0.7) | |
| SCL10f, median (IQR) | 3 (1-9) | |
| SCL20af, median (IQR) | 10.5 (7-23) | |
| SGRQ-Cg, mean (SD) | 56.5 (18.8) | |
| BMQh, mean (SD) | 32.6 (6.2) | |
| MARSi, median (IQR) | 24 (23-25) | |
aBMI: body mass index.
bFEV1%: Forced Expiratory Volume in 1 second.
cGOLD: Global Initiative for Chronic Obstructive Pulmonary Disease.
dMRC: Medical Research Council.
eEQ-5D: EuroQol 5-Dimension Questionnaire.
fSCL: Symptom Checklist.
gSGRQ-C: St George’s Respiratory Questionnaire for Chronic Obstructive Lung Disease.
hBMQ: Beliefs about Medications Questionnaire.
iMARS: Medication Adherence Report Schedule.