Measurement

Model

β

Std. Error

p-value

Lower

Upper

Original

α

100.12

0.148

0.000

99.83

100.41

X1

0.400

0.100

0.000

0.202

0.598

X2

−0.527

0.191

0.000

−0.907

−0.147

F = 11.465; r2 = 0.191

Dichotomized

α

99.71

0.182

0.000

99.352

100.07

X1

0.543

0.224

0.017

0.098

0.988

X2

−0.230

0.233

0.325

−0.693

0.232

F = 3.924; r2 = 0.075