Table 2: Calculated values of the different parameters for the linear model.

Parameters

Length both

Predictors

Estimates

CI

p

(Intercept)

14.73

14.13-15.34

< 0.001

age

0.72

0.66-0.79

< 0.001

Male

0.34

0.07-0.60

0.012

Observations

449

R2/adjusted R2

0.534/0.532