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Table 1 Ordinary lease square regression

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

Adjusted R 2

Log likelihood

F-statistic

p (F-statistic)

AIC

 

0.0131

0.0127

-452.760

30.58

0.000

909.53

Model estimation

 

Variable

Coefficient

 

Std. Error

t-Statistic

P

 

CONSTANT

0.7288

 

0.0284

25.689

0.000

 

AOD

0.9414

 

0.1702

5.530

0.000

Diagnostic tests

  

Tests

 

DF

Value

P

Normality of errors

Jarque-Bera

2

264.404

0.000

Heteroskedasticity

Breusch-Pagan

1

0.014

0.906

  

Koenker-Bassett

1

0.010

0.920

  

White

2

0.650

0.723

Spatial dependence

Moran's I (error)

0.332

26.577

0.000

  

Lagrange Multiplier (lag)

1

568.926

0.000

  

Robust LM (lag)

1

0.754

0.385

  

Lagrange Multiplier (error)

1

700.080

0.000

  

Robust LM (error)

1

131.908

0.000

  

Lagrange Multiplier (SARMA)

2

700.834

0.000