Table 1 Baseline characteristics of the study population
COPD | Non-COPD | p-value | ||
|---|---|---|---|---|
n = 194 | n = 105 | |||
Demographics | ||||
Female sex, n (%) | 96 (49.5) | 52 (49.5) | 0.995 | |
Mean age, years (SD) | 63.9 (9.6) | 58.1 (9.1) | <0.001 | |
Mean BMI, kg/m2 (SD) | 25.4 (4.0) | 27.5 (4.9) | <0.001 | |
Smoking | ||||
Pack-years, median (IQR) | 23.8 (16.2-33.6) | 18.0 (12.1-28.0) | <0.001 | |
Cigarettes/day, median (IQR) | 10 (6–15) | 10 (6–15) | 0.981 | |
FTND score, mean (SD) | 3.7 (1.8) | 3.5 (2.1) | 0.451 | |
Motivation for smoking cessation, median (IQR) | ||||
Motivation (scale 0–10) | 5 (4–8) | 6 (5–8) | 0.345 | |
Importance (scale 0–10) | 8 (5–10) | 8 (5–10) | 0.464 | |
Self-efficacy (scale 0–10) | 6 (3–10) | 7 (5–10) | 0.223 | |
Education, n (%) | ||||
Higher education | 23 (13.2) | 14 (15.4) | ||
Gymnasium | 66 (37.9) | 43 (47.3) | ||
Compulsory | 85 (48.9) | 34 (37.4) | 0.200 | |
Comorbidities, n (%) | ||||
Any respiratory symptoms | 180 (92.8) | 78 (74.3) | <0.001 | |
Anxiety/depression | 39 (20.1) | 12 (11.4) | 0.057 | |
Heart disease | 34 (17.5) | 15 (14.3) | 0.470 | |