Model

R2

Adjust R2

Standard error

estimates

Changes in the statistical results

R2

F

df1

df2

Significant level sig.

1

0.852

0.839

1539.101

0.852

68.971

1

12

0.000

2

0.962

0.955

813.632

0.110

31.940

1

11

0.000

3

0.983

0.978

568.700

0.021

12.515

1

10

0.005