IT

Coefficient

Std. Error

−8.352*

4.428

−4.551*

2.346

−4.888**

2.178

Metal

Coefficient

Std. Error

−8.667*

4.562

−5.353**

2.416

−5.716**

2.244

Pharmaceutical

Coefficient

Std. Error

−10.699**

4.360

−4.731**

2.309

−5.311**

2.145

Services

Coefficient

Std. Error

−4.632^n.s

4.474

−2.525^n.s

2.370

−2.764^n.s

2.201

Adjusted R-Squared

0.414633

0.137583

0.158648

F-statistic

24.09153

(0.000000)

6.200756

(0.000000)

7.147150

(0.000000)