Revisiting Nonresidential Environmental Exposures and Childhood Lead Poisoning in the US: Findings from Kansas, 2000–2005

Table 2

Descriptive characteristics of population by distance from lead TRI site of reported annual emissions in excess of 500 pounds.

Distance from TRI site (miles)	Number of children	Mean BLL	⁢95% confidence interval for mean		Mean% pre-50 housing	NATA 2005 air lead estimates (10^−3) µg/m^3	Mean% poverty	Percent with blood lead ≥ 10 μg/dL
			Lower bound	Upper bound
0 to 0.25	99	5.01	3.87	4.40	65.00	1.28	18.34	11.11
0.26 to 0.5	355	4.56	4.08	4.41	67.80	1.50	18.58	7.89
0.51 to 0.75	590	4.50	3.91	4.14	70.05	2.00	19.51	5.93
0.76 to 1	1028	4.47	3.79	4.06	70.86	2.52	21.86	6.32
1 to 1.99	4398	4.14	3.85	3.97	63.52	3.64	16.77	4.18
2 to 2.99	4649	3.87	3.68	3.81	56.53	2.59	15.33	3.48
3 to 3.99	4598	3.85	3.26	3.42	53.45	1.93	16.15	3.45
4 to 4.99	2762	3.72	3.46	3.64	44.93	1.61	14.11	2.82
5 or more	22749	3.68	3.80	3.90	40.26	0.91	9.84	2.88

Slope significant ().
Slope significant ().