Table 1.
Basic characteristics of the participants.
| Variable | * |
|---|---|
| Age | 36.7 (8.0) |
| Gender | |
| Female | 587 (78.0) |
| Male | 156 (20.7) |
| Education (N, %) | |
| Without academic degree | 194 (25.8) |
| With academic degree | 549 (72.9) |
| BMI (kg/m2) (N, %) | |
| < 25 | 454 (60.3) |
| ≥ 25 | 299 (39.7) |
| Nonsmoker (N, %) | 646 (85.8) |
| Smoker | 89 (11.8) |
| < 15 pack year | 80 (90.0) |
| ≥ 15 pack year | 9 (10.0) |
| Comorbidities (N, %) | |
| Metabolic disease (hypertension, diabetes mellitus, hyperlipidemia) | 51 (6.8) |
| Cardiopulmonary diseases | 7 (0.9) |
| Current or previous history of cancer | 5 (0.7) |
| Previous history of severe allergic reaction (asthma, anaphylaxis, any reaction leading to hospitalization) | 18 (2.5) |