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Table 1 Encoding for self-reported hypersensitivity reactions in food hypersensitivity questionnaire

From: Self-reported adverse reactions and IgE sensitization to common foods in adults with asthma

Code Meaning
Skin Symptoms from the skin (urticaria, eczema, angioedema, flush, itching, tingling, skin pain, papules, redness etc.)
GI Abdominal pain, oral symptoms, diarrhea, flatulence, reflux, vomiting, constipation
Airup Symptoms from the upper airways –nose(rhinitis, nasal congestion, nasal itching, sneezing, red nasal papules), eyes
Airlo Lower airways –respiratory symptoms(heavy breathing, difficulty getting air, wheezing, cough, chest pressure, bronchospasm, hoarseness, mucus/saliva in the throat)
Circ Palpation, fainting, dizziness
CNS Headache, confusion
Oth Other(e.g., ear itching, gallstone)
Not Do not eat
Unk Unknown, uncertain whether intolerant or not
Ana Anaphylactic reactions
Gen General symptoms such as tiredness, feeling ill