Table 2 Encoding of symptoms for self-reported hypersensitivity reactions in the food hypersensitivity questionnaire [20]
Code | Meaning |
|---|---|
skin | Symptoms from the skin (urticaria, eczema, angioedema, flush, itching, tingling, skin pain, papules, redness etc.) |
gi | Abdominal pain, diarrhoea, flatulence, reflux, vomiting, constipation, oral allergy syndrome (OAS) etc. |
airup | Symptoms from the upper airways –nose (rhinitis, nasal congestion, nasal itching, sneezing, red nasal papules), eyes etc. |
airlo | Lower airways—respiratory symptoms (heavy breathing, difficulty getting air, wheezing, cough, chest pressure, bronchospasm, hoarseness, mucus in the throat) |
circ | Palpation, fainting, dizziness |
cns | Headache, confusion |
ana | Anaphylactic reactions |
gen | General symptoms such as tiredness, feeling ill |
oth | Other (for example ear itching, gallstone) |
not | Do not eat |
unk | Unknown, uncertain whether hypersensitive or not |