Table I.
N | 1088 |
| |
Females: N (%) | 639/1088 (58.7%) |
| |
Age: mean; range in years | 46 (21 – 70) |
| |
Body Mass Index: N (%) | |
Under-weight (< 18.5 Kg/m2) | 21 (2.0%) |
Normal-weight (≥18.5, < 25 Kg/m2) | 612 (58.2%) |
Over-weight (≥ 25, < 30 Kg/m2) | 344 (32.7%) |
Obese (≥ 30 Kg/m2) | 75 (7.1%) |
| |
Smoking status: N (%) | |
Never | 431 (39.7%) |
Former | 268 (24.7%) |
Current | 388 (35.7%) |
| |
Smoke intensity in pack-years: N (%) | |
0 pack-years | 431 (39.7%) |
>0; ≤10 pack-years | 210 (19.3%) |
>10; ≤20 pack-years | 141 (13.0%) |
>20; ≤40 pack-years | 170 (15.7%) |
>40 packyears | 134 (12.3%) |
| |
Physician-confirmed asthma: N (%) | |
Never | 965 (88.8%) |
Inactive | 52 (4.8%) |
Active | 70 (6.4%) |
| |
Atopy*: N (%) | 412/1075 (38.3%) |
| |
Spirometric patterns: N (%) | |
Normal | 846 (77.8%) |
Restrictive | 114 (10.5%) |
Obstructive | 128 (11.8%) |
| |
FEV1 % predicted: mean; SD | 94.8% (18) |
| |
FVC % predicted: mean; SD | 97.5% (17) |
| |
FEV1/FVC ratio %: mean; SD | 80.2% (10) |
| |
YKL40: mean; median; IQR in ng/ml | 46.5; 34.0; 23.5 – 54.3 |
defined as having a skin prick test wheal ≥ 2 mm larger than control for ≥ one of 5 tested allergens