Table 9 Effect of wages for urinalysis with microscopy (81001, urine test) (t stats are reported in parentheses using robust standard errors)

 Total Number of Hospital Beds (100 s)

−0.662

0.029***

−0.017

0.029***

(-0.54)

(4.15)

(-1.46)

(4.21)

 Medical Lab Wage

-

0.000

-

0.001

-

(0.52)

-

(1.55)

 Population Density (1,000 s per Square Mile)

0.202***

−0.002***

0.210***

−0.002***

(4.32)

(-5.71)

(4.74)

(4.21)

 Area (1,000 s of Square Miles)

−8.050***

0.110***

−10.674***

0.114***

(-5.24)

(4.62)

(-6.81)

(4.82)

 Lab Technician Licensing Laws

-

-

445.607***

-

-

-

(19.12)

-

Demographic Controls^a

YES

YES

YES

YES

Year Trend

YES

YES

YES

YES

Region Fixed Effect

YES

YES

YES

YES

Year Trend × Region Fixed Effect

YES

YES

YES

YES

No. of Observations

5097

5097

5097

5097

R-squared

0.195

0.036

0.245

-

Root MSE

582.33

9.014

564.691

8.960

First-stage F-statistics

-

-

68.30

Wooldridge Robust Score Test

-

-

1.648