Table 10

Regression model (regression coefficients)

Proximal levelDistal levelTotal
Coeffiecient βip ValueCoefficient βip ValueCoefficient βip Value
(Constant)β0  =  45.1<0.001β0  =  32.9<0.001β0  =  39.1<0.001
Length (cm)β1  =  5.3<0.001β1  =  3.40.005β1  =  4.2<0.001
ModelSPA  =  45.1 + 5.3(long – 4.0)SPA  =  32.9 + 3.4(long – 3.9)SPA  =  39.1 + 4.2(long – 4.0)
R20.6670.4220.442
  • βi, Lineal regression model coefficients; R2, fit goodness coefficient. SPA, sports participation absence.