TABLE I.

Study population characteristics

Characteristic	Overall (321)	Not peanut allergic (284)	Peanut allergic (37)
Age (mo), mean ± SD	7.2 ± 1.7	7.2 ± 1.7	8.0 ± 1.7
Race, %
White	74	78	43
Black	8	5	27
Asian	7	5	16
Multi/other	12	11	14
Male sex, %	58	57	70
Eczema, %	61	56	97
Family history, %	62	68	22
Physician-diagnosed food allergy, %	18	17	30
Peanut SPT wheal size (mm), median (range)	0 (0–16.5)	0 (0–9)	10.3 (0–16.5)
Peanut s-IgE (kU/L), median (range)	<0.1 (<0.1–236)	<0.1 (<0.1–16.3)	3.4 (0.26–236)
Ara h 2-sIgE (kU/L), median (range)	<0.1 (0–75.3)	<0.1 (<0.1–1)	2.75 (<0.1–75.3)