Baseline characteristics of the participants
| Characteristic | Referent (n=54) | Exposed (n=133) | p Value |
|---|---|---|---|
| Age (years) | 37.6 (5.6) | 35.7 (4.7) | 0.39 |
| Body mass index (kg/m2) | 23.4 (3.2) | 22.5 (2.8) | 0.54 |
| Height (m) | 1.71 (0.14) | 1.68 (0.12) | 0.62 |
| Ever smoker | 14 (25.9%) | 43 (32.3%) | 0.49 |
| Regular exposure to SHS | 16 (29.6%) | 49 (36.8%) | 0.44 |
| Parental asthma | 3 (5.5%) | 7 (5.3%) | 0.94 |
Data are presented as mean (SD) or n (%).
SHS, second-hand smoke.