FVC (Liters)

Variable

Parameter Estimates

Standard Error

P-Value

Median Age (39 Years)

−0.88

0.02

<0.0001

Race (Black vs White)

−0.45

0.02

<0.0001

Smoking History (pk-yrs)

−0.003

0.009

<0.0001

Median Height (69 Inches)

0.56

0.02

<0.0001

Proppant Workers vs NHANES III

0.08

0.08

0.32