Table III.

Univariate Analysis of Characteristics by Prevalence Groups

	No Frequent wheeze, never diagnosed	Previous diagnosis, not current asthma	Current asthma	Frequent wheeze, no diagnosis
Age
10	Reference	Reference	Reference	Reference
11	Reference	2.38 (1.12, 5.12)	1.41 (0.83, 2.40)	1.13 (0.68, 1.87)
12	Reference	1.20 (0.39, 3.72)	1.12 (0.54, 2.35)	1.83 (0.99, 3.38)
Sex
Male	Reference	Reference	Reference	Reference
Female	Reference	0.90 (0.46, 1.75)	1.10 (0.68, 1.78)	1.12 (0.72, 1.75)
Time Period
1992	Reference	Reference	Reference	Reference
2004	Reference	0.88 (0.44, 1.76)	1.21 (0.72, 2.06)	1.17 (0.73, 1.89)
Percent living below poverty level	32.4 (13.8)	32.6 (13.1)	33.3 (13.4)	34.6 (13.0)
Experience with Asthma (Reference=No)
Household member with asthma	Reference	2.41(1.18, 4.91)	2.40(1.44,4.02)	1.72(1.07,2.74)
Friend, relative, or neighbor with asthma	Reference	0.79(0.25,2.51)	2.35(0.67,8.29)	0.71(0.32,1.56)
Ever seen someone having an attack	Reference	1.59(0.75,3.36)	3.20(1.73,5.94)	2.39(1.41,4.05)

Percent Poverty, F=0.76, p=0.52, Other results reported as OR (95% CI)