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Table 3 Spatial error 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

2

2306

2304

 

Model fit

 

R 2

 

Log likelihood

AIC

 
 

0.2800

 

-201.834

407.669

 

Model estimation

 

Variable

Coefficient

Std. Error

t-Statistic

p

 

CONSTANT

0.7506

0.0509

14.759

0.0000

 

AOD

0.7774

0.3022

2.573

0.0101

 

λ

0.5678

0.0231

24.600

0.0000

Diagnostic tests

 

Tests

DF

Value

p

Heteroskedasticity

Breusch-Pagan

1

0.067

0.7954

Spatial dependence

Likelihood Ratio

1

501.856

0.0000