Dependent Variable

PM2.5 (μg/m³)

SO₂

(ppb)

Female Head

Food Stamp

African American

Caucasian

Percentage of Population without

College Education

Cardiovascular Disease

5.21

21.76

3.67

1.63

0.33

Heart Attack

2.77

5.04

0.50

0.38

0.36

Stroke

4.52

8.43

0.74

0.65

0.34

High Blood Pressure

2.47

3.63

0.46

0.31

Heart Disease

3.74

14.90

1.45

1.11

1.37