B

SE

β

t

p

Step 1

Intercept

6.29

0.37

16.9

<0.01

Group

−1.40

0.25

−0.72

−5.5

<0.01

Age

0.04

0.01

0.61

4.7

<0.01

R2 = 0.492; adj. R2 = 0.465; F2.38 = 9.4; p < 0.01

Step 2

Intercept

0.65

3.77

0.17

0.85

Group

−0.40

0.45

−0.21

−0.89

0.38

Age

0.04

0.01

0.61

4.7

<0.01

PACES t1

0.01

0.03

0.10

0.08

0.94

PACES t2

−0.63

0.09

−0.21

−0.74

0.47

PACES t3

0.14

0.08

0.52

1.82

0.08

R2 = 0.551; ΔR2 = 0.059; ΔF3.35 = 1.5; p = 0.224