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. Author manuscript; available in PMC: 2007 Sep 27.

Published in final edited form as: Pediatrics. 2006 Dec 4;119(1):e171–e178. doi: 10.1542/peds.2006-0524

TABLE 4.

Univariate and Multivariate Association Between Cord Blood IFN-γ and Acute LRIs in the First Year of Life

Model	Stimulant	OR (95% CI) for Acute LRI
		IFN-γ Levels, pg/mL			P for Trend
		Below Limit of Detection	Less Than Median	At or More Than Median
Univariate model	Bla g 2	Reference	0.8 (0.4–1.6)	0.4 (0.2–0.9)	.04
	Der f 1	Reference	0.7 (0.3–1.4)	0.4 (0.2–0.8)	.02
	Media	Reference	0.8 (0.4–1.5)	0.6 (0.3–1.1)	.08
	PHA	Reference	0.9 (0.4–1.9)	0.6 (0.3–1.4)	.19
Multivariate model^a	Bla g 2	Reference	0.8 (0.4–1.8)	0.4 (0.2–0.9)	.03
	Der f 1	Reference	0.7 (0.3–1.5)	0.5 (0.2–1.1)	.07
	Media	Reference	0.7 (0.4–1.4)	0.5 (0.3–1.1)	.08
	PHA	Reference	0.9 (0.4–1.9)	0.7 (0.3–1.5)	.25

^a

Models were adjusted for race, gender, gestational age, and having >1 sibling <12 years of age living at home.