Table 3.
Results of simultaneous multiple regression analyses for change in voluntary physical activity (n=146).
b
R
R
2
R
2
adj
F
2,73
p
Model 1
.53
.29
.27
14.08
<.001
â–µ General self
.10
.22
â–µ Physical appearance
.27
<.001
â–µ Physical self-concept
.26
.001
â–µ Exerc. barriers self-efficacy
.16
.05
Model 2
.36
.13
.12
10.55
<.001
â–µ Tension
-.18
.03
â–µ Vigor
.30
<.001
Model 3
.60
.36
.33
12.83
<.001
â–µ General self
.08
.29
â–µ Physical appearance
.23
.002
â–µ Physical self-concept
.25
.001
â–µ Exerc. barriers self-efficacy
.17
.03
â–µ Tension
-.19
.01
â–µ Vigor
.18
.02
The delta symbol (D) denotes change in score from baseline to week 12.