R2

F

beta

t

p

Step 1

0.112

3.04

Age

−0.193

−1.42

0.163

Body mass index

−0.281

−2.07

0.044

Step 2

0.401

6.04

Light intensity PA (days)

0.468

3.177

0.003

Moderate intensity PA (days)

0.214

1.300

0.200

Vigorous intensity PA (days)

−0.028

−0.204

0.840