. Author manuscript; available in PMC: 2011 Sep 1.

Published in final edited form as: J Allergy Clin Immunol. 2010 Sep;126(3):483–488.e1. doi: 10.1016/j.jaci.2010.06.028

Table 4.

Airway Reactivity at 1-year Follow-up

Variable	Parameter	Estimate	Std Err	P value
PC₃₀ ln at 1-year Follow-up	PC₃₀ ln At Entry to Study	0.578	0.097	< 0.001
	Number of Wheezing Episodes	−0.144	0.051	0.006
	Egg or Milk + At entry to Study	−0.601	0.239	0.014
	Egg or Milk + At 1-yr FU	−0.541	0.234	0.024

PC₃₀ natural log transformed (ln)

At each row, a linear regression model was fit and adjusted for Age at entry to study, Gender, Race, and Maternal smoking during pregnancy