Table 1. Characteristics of the population (% and mean ± SD).
| No asthma and/or COPD n = 23 152 |
Asthma n = 1 665 |
COPD n = 362 |
ACO n = 250 |
p value | |
|---|---|---|---|---|---|
| Female sex | 51.7 | 60.2 | 55.8 | 60.0 | < 0.0001 |
| Age (years) | 54.1±8.8 | 53.3±8.6 | 58.8±8.6 | 57.0±7.8 | < 0.0001 |
| Body mass index (kg/m2) | 25.7±4.1 | 26.8±4.9 | 26.7±5.0 | 27.7±5.6 | < 0.0001 |
| Smoking history | < 0.0001 | ||||
| Never | 48.6 | 49.4 | 17.0 | 18.2 | |
| Ex-smoker | 35.4 | 37.6 | 47.9 | 44.8 | |
| Current | 15.9 | 13.0 | 35.1 | 37.1 | |
| Highest education level | < 0.0001 | ||||
| Elementary school | 17.4 | 17.0 | 36.5 | 40.7 | |
| High school | 35.7 | 37.3 | 33.4 | 37.5 | |
| University | 46.9 | 45.7 | 30.1 | 21.8 |