Demographic data | Low protein exposure group N = 163 (%, n) | High protein exposure group N = 318 (%, n) | P-value |
---|---|---|---|
1. Age (years, IQR) | 30 (25–37) | 32 (28–42) | 0.01 |
2. Sex |  |  | 0.33 |
  Female | 92.0 (150) | 94.3 (300) | |
  Male | 8.0% (13) | 5.7% (18) | |
3. History of atopic diseases | 50.3% (82) | 47.5% (151) | 0.56 |
4. History of fruit allergy | 0.6% (1) | 2.5% (8) | 0.13 |
5. History of surgery | 23.3% (38) | 29.9% (95) | 0.13 |
6. Family history of atopic diseases | 20.2% (33) | 26.1% (83) | 0.16 |
7. History of hand dermatitis | 24.5% (40) | 18.9% (60) | 0.15 |