Table 2.
Demographic and airway-specific data in the total study group and in subgroups of male and female participants.
| Total | Males | Females | |
|---|---|---|---|
| Demographics | |||
| Number | 16,107 | 5954 | 10,153 |
| Age, years | 59.7 ± 16.4 | 61.3 ± 16.5 | 58.7 ± 16.2 |
| Height, centimeter | 168.9 ± 9.1 | 176.6 ± 7.3 | 164.4 ± 6.7 |
| Living in large town, % | 28.9 | 29.7 | 28.4 |
| Smoker, % | 21.2 | 23.3 | 20.0 |
| Smoker for more than 10 years, % | 16.5 | 18.4 | 15.4 |
| Smoker with 1–10/ 11–20/21–30/>30 cigarettes/day, % | 7.6/8.3/3.0/0.8 | 6,9/9.5/3.9/1.5 | 8.0/7.6/2.4/0.4 |
| Patient symptoms and disease history | |||
| Cough, % | 33.8 | 32.6 | 34.4 |
| Cough with expectorations, % | 18.3 | 19.2 | 17.7 |
| Chronic cough, % | 17.5 | 16.0 | 18.3 |
| Dyspnea, % | 31.6 | 24.6 | 35.6 |
| During usual daily activities, % | 16.3 | 11.8 | 18.9 |
| Patient-reported allergies, % | 26.0 | 18.9 | 30.1 |
| Common cold, % | 13.6 | 13.4 | 13.7 |
| COPD, % | 2.4 | 2.8 | 2.1 |
| Asthma, % | 5.5 | 4.0 | 6.3 |
| Other airway disease, % | 4.5 | 4.0 | 4.8 |
| Airway parameters | |||
| FEV1, L | 2.33 ± 0.86 | 2.78 ± 0.94 | 2.07 ± 0.69 |
| FEV1, % predicted | 87.5 ± 22.6 | 87.5 ± 24.4 | 87.6 ± 21.5 |
| FEV6, L (n = 11,574/4274/7300) | 2.91 ± 1.01 | 3.50 ± 1.10 | 2.57 ± 0.78 |
| Lung age, years | 69.8 ± 24.3 | 71.0 ± 25.0 | 69.0 ± 23.8 |
| Difference lung age – chronological age, years | 10.0 ± 18.9 | 9.5 ± 19.8 | 10.2 ± 18.3 |
Data are means ± SD or percentage of respective group.