Model

Regression equation

R²

Significance

Root mean square error

FM-C7 based on FM-HP

(males and females)

FM-C7 = 26.92 + 1.03*FM-HP

0.512

<0.0001

6.92

FM-C7 based on FM-PP

(males and females)

FM-C7 = 29.85 + 0.98*FM-PP

0.374

<0.0001

8.36

FM-C3 based on FM-HP

(males and females)

FM-C3 = 19.82 + 0.65*FM-HP

0.315

<0.0001

6.59

FM-C3 based on FM-PP

(males and females)

FM-C3 = 20.05 + 0.84*FM-PP

0.390

<0.0001

6.90

FM-C3 based on FM-HP

(males only)

FM-C3 = 17.62 + 0.68*FM-HP

0.310

<0.001

6.30

FM-C3 based on FM-HP

(females only)

FM-C3 = 22.65 + 0.53*FM-HP

0.232

<0.001

6.71