Table III.

Effect estimate for a log 10 increase in C-reactive protein before and after adjustment for poverty, race, household smoking and BMI Z-score, NHANES 2005–2006, children age 2–19.

	Age-adjusted		+poverty, race, smoking		+ BMI Z-score		Percent Change*
	Estimate	95% CI	Estimate	95% CI	Estimate	95% CI
Total IgE
Overall	0.087	0.036–0.137	0.084	0.032–0.136	0.058	−0.009–0.124	31%
Boys	0.090	0.007–0.172	0.095	0.007–0.183	0.084	−0.010–0.177	12%
Girls	0.091	0.032–0.149	0.066	−0.001–0.133	0.020	−0.070–0.110	70%
Atopy
Overall	1.22	1.07–1.41	1.26	1.07–1.49	1.22	1.00–1.49	3%
Boys	1.28	1.10–1.47	1.37	1.15–1.64	1.36	1.09–1.70	1%
Girls	1.20	1.02–1.42	1.15	0.96–1.37	1.07	0.89–1.30	7%
Food Allergy
Overall	1.31	1.11–1.55	1.36	1.13–1.64	1.25	1.01–1.55	8%
Boys	1.26	0.98–1.61	1.34	1.01–1.77	1.26	0.90–1.76	6%
Girls	1.41	1.16–1.71	1.39	1.10–1.74	1.21	0.97–1.52	14%

^*Percent change in effect estimate (regression coefficient or odds ratio) when adding BMI z-score to model adjusted for age, poverty income ratio, race, and household smoking.