Table 1.

Type of eligibility	A	B	C	D
Questions 2/5: Have you/Has your child eaten [FOOD NAME] recently (within the last 3 months) without symptoms?	Yes	No	No	No
Question 1: Have you/Has your child ever had an illness or trouble caused by eating [FOOD NAME] or even a diagnosis of food allergy?	*	No	No	Yes
Sensitization	*	Negative SPT/IgE	Positive or missing SPT/IgE	*
Eligible for oral food challenge	No	No	Yes	Yes

SPT, skin prick test; IgE, Immunoglobulin E. *information not needed for eligibility decision