Table 3.

Ordinary Least Squares (OLS) regression models of CMV optical density from ELISA of seropositive children, NHANES 1999–2004, stratified by age groups (n=2226)^*

	Ages 6–10 (n=551)		Ages 11–16 (n=1675)
	Coeff.	p	Coeff.	p
Age	0.007	0.802	0.009	0.543
Male	0.053	0.498	−0.149	0.003
Race/ethnicity (ref=white)
Black	0.041	0.628	0.094	0.117
Mexican American	−0.018	0.819	−0.012	0.843
Other race	0.064	0.707	0.049	0.512
Foreign born	−0.062	0.531	−0.009	0.884
In poverty	0.093	0.293	0.168	0.002
Food insecurity	−0.061	0.538	−0.069	0.272
Physical risk factors
BMI	0.030	0.005	0.010	0.019
Low birth weight (<2500g)	−0.110	0.304	0.052	0.470
Recently sick	−0.039	0.650	−0.012	0.823
White blood cell count	−0.002	0.898	0.004	0.736
Asthma/chronic respiratory problems	0.107	0.258	0.058	0.427
Smoker in present household	0.004	0.972	−0.126	0.016
Constant	1.202	0.001	1.529	0.000
R-squared	0.050		0.061

^*Models also adjusted for survey year.