Demographic data Cases (n=64) Controls (n=44) Controls (n=44) Total (n=108)
Age range 6 months-15 years 2 months-15 years 2 months-15 years
Gender (M/F) 39/25 22/22 61/47 61/47
History Cases (n=64) Control (n=44) Total (n=108) Total (n=108)
Breast feeding (Y/N) 51/13 29/15 80/28 80/28
Parental Smoking (Y/N) 29/35 18/26 47/61 47/61
History of allergy (Y/N) 32/32 2/42 34/74 34/74
Allergens Cases (n=64)
Milk 15/64
Egg 15/64
Nuts 7/64
Fish 2/64
Fruit 1/64
Polysensitized 24/64