Table 1.

Demographic Features of US-born children and adolescents.

	US-born			Foreign-born			Foreign- vs. US-born
	Living in non- immigrant households	Living in immigrant households	P value	Arrived <2 years of age	Arrived ≥ 2 years of age	P value	P value
Number	2495	714		97	244
Mean age (years)	11.4	9.2	<0.001	10.1	14.7	<0.001	<0.001
Mean poverty income ratio	2.7	2.1	0.002	2.5	1.7	0.09	0.001
Ethnicity
Hispanic	8%	62%		39%	61%
Non-Hispanic Caucasian	70%	22%	<0.001	26%	16%	0.37	<0.001
African-American	16%	6%		10%	8%
Other	6%	10%		25%	14%
Male Gender	53%	47%	0.07	53%	51%	0.87	0.92
Any Food Sensitization	20%	28%	<0.001	18%	8%	0.02	<0.001
Milk sensitization	10%	19%	0.001	10%	3%	0.04	0.007
Egg Sensitization	6%	9%	0.12	2%	0.1%	0.009	0.001
Peanut Sensitization	10%	10%	0.99	10%	6%	0.32	0.15

All analyses account for survey design of the study as discussed in the methods section. Poverty income ratio is defined as ratio of household income to the poverty line. P values represent unadjusted comparisons.