. Author manuscript; available in PMC: 2013 Dec 20.

Published in final edited form as: Ann Allergy Asthma Immunol. 2013 Aug 20;111(5):10.1016/j.anai.2013.07.023. doi: 10.1016/j.anai.2013.07.023

Table 1.

Characteristics of cases and controls

	Atopic Cases (n = 121)	Controls (n = 116)	P value
Demographics, n (%)
Gender			.81
Female	54 (47)	49 (41)
Male	67(53)	67 (59)
Age (y), mean ± SD	9 ± 4.2	6.7 ± 4.1	<.001
Age <3 y	2 (2)	13(11)	.006
Race/ethnicity
African American	54 (47)	46 (38)	.52
Hispanic	18 (16)	29 (24)	.07
White	30 (26)	38 (31)	.23
Other	14(12)	8 (6)	.31
Family history of allergic rhinitis, n (%)	34 (28)	29 (25)	.69
Socioeconomic status, n (%)
<80% but >50% of MFI in KC	35 (30)	38 (32)	.62
<50% of MFI in KC	81 (70)	81 (68)	.74
Home ownership	71 (59)	77 (66)	.28
Clinical, n (%)
Asthma diagnosis	83 (72)	63 (52)	.002
Smoke exposure	42 (36)	47 (39)	.43

Abbreviations: KC, Kansas City, Missouri; MFI, median family income; SD, standard deviation.