Skip to main content

Table 2 Spatial lag regression model

From: Particulate air pollution and chronic ischemic heart disease in the eastern United States: a county level ecological study using satellite aerosol data

Model description

 

Y

No. of variables

No. of observations

Degrees of freedom

 

SMR

3

2306

2303

 

Model fit

 

R 2

 

Log likelihood

AIC

 
 

0.2238

 

-235.357

476.713

 

Model estimation

 

Variable

Coefficient

Std. Error

t-Statistic

P

 

ρ

0.4962

0.0231

21.496

0.0000

 

CONSTANT

0.3605

0.0304

11.859

0.0000

 

AOD

0.5367

0.1522

3.527

0.0004

Diagnostic tests

     
 

Tests

DF

Value

p

Heteroskedasticity

Breusch-Pagan

1

0.156

0.6933

Spatial dependence

Likelihood Ratio

1

434.813

0.2745