Table 4 Calcaneal inclination angle. Regression analysis with the value of the simple footprint assessment board as a dummy variable

(Intercept)

14.500

1.918

7.560

0.000

0.843

0.795

Score 0.5 (Reference)

2

6.4

Score 1

5

6.0

3.580

2.269

1.578

0.128

Score 1.5

5

5.2

8.020

2.269

3.534

0.002

Score 2

9

4.4

8.667

2.215

3.913

0.001

Score 2.5

6

4.5

13.000

2.269

5.729

0.000

Score 3

6

3.9

15.167

2.215

6.849

0.000

Score 3.5

1

3.7

20.500

3.322

6.171

0.000

Score 4

1

3.0

22.500

3.322

6.773

0.000

Score of arch check board

t-value

P-value

Coefficient of determination

Adjusted coefficient of determination

(Intercept)

10.360

0.000

0.822

0.816

Score

11.590

0.000