. 2015 Jun 2;12(6):6300–6318. doi: 10.3390/ijerph120606300

Table 1.

Ordinary Least Squares (OLS) and Spatial Regressions for Change in TRI HAP Emissions from 1989 to 2002.

Variables	OLS		Spatial Lag 1		Spatial Lag 2
Variables	Coefficient	T-Stat	Coefficient	T-Stat	Coefficient	T-Stat
Percent Hispanic	−0.921	−6.681 *******	−0.612	−4.531 *******	−0.527	14.413 *******
Percent in Poverty	1.379	4.854 *******	0.949	3.433 *******	0.607	2.495 **
W_log of Air Emissions			0.309	9.207 *******	0.246	7.985 *******
N	1942		1942		1942
R²	0.024		0.083		0.299

*** significant at the 0.01 level; ** significant at the 0.05 level.