TABLE 2.

Prevalence (%) of BLLs Elevated ≥5 μg/dL and ≥10 μg/dL, NHANES III (1988–1994)

Variable	Category	≥5 μg/dL	≥10 μg/dL
Race/ethnicity	Non-Hispanic black	47	14
	Mexican American	28	5
	Non-Hispanic white	19	4
Age	1–2 y	32	8
	3–5 y	22	5
Age of housing	Pre-1946	43	13
	1946–1973	26	6
	1974 to present	14	3
Medicaid participants	Yes	42	13
	No	16	3
Private insurance	Yes	20	5
	No	33	8
Region	Northeast	43	13
	Midwest	31	10
	South	22	4
	West	14	2
Total		26	6