الفهرس 
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Abstract
A
llergic disorders are thought to be influenced by two distinct factors that interact at various levels. The first is the genetic composition and the second is the environment.
The Egyptian population also has a clear social distinction between patients who attend the public hospitals and those who attend private practices offices. This would reflect a difference in the home environment, the feeding habits and the diet.
This research is to answer the question of whether socio-economic class and the environmental factors associated with it has an impact on the presentation of food allergy in the Egyptian population, including serum IgE, sensitization to different foods and the impact on the family.
The study was conducted Egypt (Ain Shams University Hospitals and private allergist office) over period from 2018 till 2020.
Questionnaires will be administered at the time of enrollment provided by Cincinnati Children Hospital Medical Center.
In our study, group one represented patients with low SES following up at public hospital, In contrast to group two represented patients with high SES following up at private practices offices.
Low SES as regard low household income, small household size, more crowded household and low level of parental education, showed an impact on FA; Milk was the most common food allergen (60%) with late self-reporting FA cases.
In contrast to high SES patients showed higher household income, bigger household size with less crowded household and higher level of parental education; Egg was the most common food allergen (56%) with earlier self-reporting of FA and higher levels of eosinophils count and total IgE.
With no significant deference as regard to sex preference (Male predominance), childhood infections, pre-natal & first year antibiotics use, pets in the house, household smoking, symptoms of FA, number & severity of reactions, history of anaphylaxis, number of ER visits & hospitalization, history of outgrown and associated allergies.