. Author manuscript; available in PMC: 2007 Oct 10.

Published in final edited form as: J Allergy Clin Immunol. 2005 Nov 8;116(6):1235–1241. doi: 10.1016/j.jaci.2005.09.016

TABLE IV.

Bivariate structural equation models of asthma and obesity

Shared component	χ²	df	P value	AIC^*
ACE	-	-	-	-
CE	1.06	1	.30	−0.94
AE	0.00	1	1.00	−2.00
AC	1.13	1	.29	−0.87
A	2.20	2	.33	−1.80
C	6.85	2	.03	2.85
E	6.59	2	.04	2.59
None	21.26	3	<.0001	15.26

Akaike’s information criterion (AIC) is a global measure of goodness of fit; the best-fitting and most parsimonious model is shown in bold.