Model 1 - 3

Model 1 - 4

B

Std. Error

t

p

B

Std. Error

t

p

Constant

4.228**

0.204

20.724

0.000

1.043**

0.190

5.489

0.000

Gender

0.013

0.064

0.203

0.839

−0.036

0.041

−0.870

0.385

Age

−0.029

0.056

−0.515

0.607

0.019

0.037

0.525

0.600

Education Level

−0.125**

0.043

−2.933

0.004

0.067*

0.029

2.320

0.021

Job Position

0.095*

0.038

2.536

0.012

0.005

0.025

0.217

0.828

Work Experience

−0.042

0.036

−1.180

0.239

0.002

0.023

0.080

0.936

INC

0.749**

0.032

23.346

0.000

R²

0.052

0.603

Adjusted R²

0.040

0.597

F

F (5, 394) = 4.338, p = 0.001

F (6, 393) = 99.444, p = 0.000

ΔR²

0.052

0.551

ΔF

F (5, 394) = 4.338, p = 0.001

F (1, 393) = 545.026, p = 0.000

Dependent Variable (Y): IOT