Table 1.
Demographic and clinical characteristics of the study populations
| 2012–2013 | 2023–2024 | ||
|---|---|---|---|
| n = 471 | n = 485 | P | |
| Age, y | 0.700 | ||
| 18–24 | 237 (50.3) | 238 (49.1) | |
| 25–50 | 234 (49.7) | 247 (50.9) | |
| Sex | 0.746 | ||
| Male | 238 (50.5) | 240 (49.5) | |
| Female | 233 (49.5) | 245 (50.5) | |
| Personal atopy | |||
| Asthma | 30 (6.4) | 34 (7.0) | 0.692 |
| Allergic rhinitis | 36 (7.6) | 55 (11.3) | 0.052 |
| Atopic dermatitis | 21 (4.5) | 23 (4.7) | 0.834 |
| Urticaria | 16 (3.4) | 15 (3.1) | 0.791 |
| Drug allergy | 50 (10.6) | 40 (8.2) | 0.210 |
In parentheses: proportions. n: subjects selected according to the cross-sectional period. Comparison of proportions using the chi-square test.