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

Table 3

Descriptive characteristics of population by distance from toluene emitting TRI site.

Distance from TRI site (miles)	Number of children	Mean BLL	95% confidence interval for mean		Mean% pre-50 housing	NATA 2005 air toluene estimates (10^3) µg/m^3	Mean% poverty	Percent with blood lead ≥ 10 μg/dL
			Lower bound	Upper bound
0 to 0.25	88	3.72	3.05	4.40	52.82	.340	33.52	3.41
0.26 to 0.5	331	4.21	3.85	4.58	54.88	.146	28.71	5.44
0.51 to 0.75	468	3.88	3.64	4.11	53.86	.086	23.36	3.42
0.76 to 1	1005	3.95	3.77	4.13	55.80	.075	24.72	3.68
1 to 1.99	6587	4.06	3.98	4.13	59.13	.030	25.18	4.16
2 to 2.99	4926	3.58	3.51	3.66	49.38	.026	19.44	2.56
3 to 3.99	2631	3.36	3.57	3.45	41.44	.032	17.65	1.90
4 to 4.99	2035	3.34	324	3.44	30.59	.015	12.65	1.97
5 or more	23157	3.88	3.84	3.91	46.03	.012	14.65	3.52