Age, mean (SE) | 39.9 (1.4) | 39.8 (1.3) | 34.8 (1.2) | 41.0 (1.4) |
Sex, F/M | 49/71 | 120/0 | 45/75 | 61/59 |
Positive history of allergy (%) | 29/120 (24.2%) | 35/120 (29.2%) | 38/120 (31.7%) | 28/120 (23.3%) |
Positive family history of allergy (%) | 32/120 26.7% | 20/120 16.7% | 32/120 26.7% | 25/120 20.8% |
Duration of occupational exposure (mth), mean (SE) | 170 (15.9) | 89.7 (7.6) | 89.3 (9.4) | 139.4 (14.7) |
Positive SPT to grapes (%) | 8 (6.7%) | 5 (4.2%) | 0 | 0 |
Logistic regression analysis: dependent variable SPT to grapes (1 = yes, 0 = no) (only groups A and B were included) |