Urban | Rural | p-value | ||
All children | ||||
n = 2100 (U) | n = 490 (U1) | n = 207 (R1) | U1 vs R1 | |
Allergens | n (%) | n (%) | n (%) | |
Dermatophagoides pteronyssinus | 198 (9.4) | 138 (28.1) | 60 (28.9) | 0.00001 |
Blomia tropicalis | 109 (5.1) | 78 (15.9) | 31 (14.9) | 0.00001 |
Cockroach | 87 (4.1) | 59 (12) | 28 (13.5) | 0.00001 |
Cat dander | 29 (1,3) | 18 (3.6) | 11 (5.3) | 0.04 |
Dog dander | 24 (1.1) | 15 (3) | 9 (4.3) | 0.001 |
Grass pollen mix | 45 (2.1) | 33 (6.7) | 12 (5.7) | 0.003 |
Aspergillus fumigatus | 21 (1) | 16 (3.2) | 5 (2.4) 0 | 0.0004 |
Alternaria alternata | 15 (0.8) | 12 (2.4) | 3 (1.4) | 0.01 |
Peanuts | 72 (3.5) | 53 (10.8) | 19 (9.1) | 0.00001 |
Eggs | 65 (3.1) | 44 (8.9) | 21 (10.1) | 0.00001 |
Shrimp | 32 (1.6) | 24 (4.8) | 8 (3.8) | 0.01 |