Table I.
Characteristics of study participants
| Characteristic | Asthma |
COPD |
||
|---|---|---|---|---|
| Incident cases (n = 435) | Noncases (n = 5244) | Incident cases (n = 145) | Noncases (n = 5932) | |
| Sex: female, n (%) | 252 (57.9) | 2740 (52.3) | 43 (29.7) | 3204 (54) |
| Baseline age (y) | 50.9 (40.5-60.5) | 50.5 (39.2-59.3) | 59.5 (53.6-66.5) | 50.5 (39.2-59.5) |
| Age at first event (y) | 57.6 (46.7-67.3) | — | 69.1 (61.3-73.6) | — |
| BMI (kg/m2) | 26.7 (24-30.7) | 26.3 (23.7-29.3) | 26.6 (23.5-29.6) | 26.4 (23.7-29.5) |
| Current smoker, n (%) | 151 (34.8) | 1192 (22.8) | 105 (72.9) | 1313 (22.2) |
| Ex-smoker, n (%) | 94 (21.6) | 1181 (22.5) | 32 (22.1) | 1321 (22.3) |
Continuous variables are presented as median (interquartile range).