Skip to main content
. 2019 Feb 22;321(10):946–955. doi: 10.1001/jama.2019.1113

Table 1. Demographics and Baseline Characteristics.

Category Peanut Patch (n = 238) Placebo Patch (n = 118)
Age, median (Q1, Q3), y 7 (6, 9) 7 (5, 9)
Sex, No. (%)
Male 149 (62.6) 69 (58.5)
Female 89 (37.4) 49 (41.5)
Race/ethnic origin, No. (%)
White 194 (81.5) 96 (81.4)
Black or African American 1 (0.4) 2 (1.7)
Asian 19 (8) 8 (6.8)
Hispanic 2 (0.8) 0
Othera 22 (9.2) 12 (10.2)
Peanut-specific IgE, median, kUA/L 77.9 101
Q1, Q3 (range) 20, 192 (0.78-1008.4) 29.1, 232 (1.03-1104)
Peanut-specific IgG4, median, mg/L 0.69 0.74
Q1, Q3 (range) 0.28, 1.39 (0.07-10.2) 0.29, 1.5 (0.07-12.7)
Peanut protein eliciting dose, median, mg 100 100
Q1, Q3 (range) 30, 300 (1-300) 30, 300 (1-300)
Baseline eliciting dose, No. (%)
1 mg 3 (1.3) 3 (2.5)
3 mg 10 (4.2) 7 (5.9)
10 mg 28 (11.8) 10 (8.5)
30 mg 24 (10.1) 19 (16.1)
100 mg 97 (40.8) 40 (33.9)
300 mg 76 (31.9) 39 (33.1)
Medical history, No. (%)
Asthma 117 (49.2) 52 (44.1)
Eczema/atopic dermatitis 139 (58.4) 79 (66.9)
Allergic rhinitis 132 (55.5) 67 (56.8)
Allergy(ies) other than peanut 205 (86.1) 100 (84.7)

Abbreviations: kUA/L, kilounits of antibody per liter; Q1, quartile 1; Q3, quartile 3.

a

Other categories: half white, half Persian; half Indian, quarter Hispanic, quarter white; quarter Filipino; 7/8 white, 1/8 Hispanic; African; American Indian; Asian and white; black and Hispanic; white and Asian (Indian); white and South Asian; white/Asian; father: Australian and mother: Iranian; German, Irish, Eastern European; half white and half black; Hispanic; Hispanic white; Indian; Mexican American; mixed; mother: Armenian and father: Korean; mother: white and father: Asian; multiracial; non-Hispanic; North African (Morocco); South Asian; South Asian/white; and participant reports both white and Asian.