Table 2.

Spatial effects of independent variables of the SLX.

Independent variables	dy/dx	Delta-Method Std. Err.	Prob	95% Confidence interval
				Lower	Higher
Direct spatial effects
$R_{\mathrm{r}}$	32.485	0.185	<0.001	32.122	33.849
$R_{\mathrm{d}}$	−0.734	0.013	<0.001	−0.759	−0.708
Indirect spatial effects
$R_{\mathrm{r}}$	1.663	0.481	<0.001	0.720	2.607
$R_{\mathrm{d}}$	−0.025	0.033	0.436	−0.091	0.039
Total spatial effects
$R_{\mathrm{r}}$	34.150	0.536	<0.001	33.099	35.199
$R_{\mathrm{d}}$	−0.759	0.036	<0.001	−0.831	−0.688