Table 5 Hierarchical Forced Entry Multiple Regression of Exercise Intention on the Theory of Planned Behavior, BMI, and Interactions with BMI
|  | F change | df | R 2 change | β 1 | β 2 | β 3 |
|---|---|---|---|---|---|---|
(Block #1) | 43.1 | 5,348 | .38 | Â | Â | Â |
Instrumental Attitude | Â | Â | Â | .06 | .06 | .76** |
Affective Attitude | Â | Â | Â | .30*** | .31*** | .13 |
Subjective Norm | Â | Â | Â | .02 | .01 | -.05 |
Self-efficacy | Â | Â | Â | .36*** | .36*** | -.41 |
Perceived Control | Â | Â | Â | -.02 | -.02 | .17 |
(Block #2) | 0.8 | 1,347 | .00 | Â | .04 | .31 |
BMI | Â | Â | Â | Â | Â | Â |
(Block #3) | 4.1 | 5,342 | .04 | Â | Â | Â |
BMI*Instrumental Attitude | Â | Â | Â | Â | Â | -1.60** |
BMI*Affective Attitude | Â | Â | Â | Â | Â | .24 |
BMI*Subjective Norm | Â | Â | Â | Â | Â | .13 |
BMI*Self-efficacy | Â | Â | Â | Â | Â | 1.20** |
BMI*Perceived Control | Â | Â | Â | Â | Â | -.23 |
Total Model | 22.4 | 11,342 | .42 | Â | Â | Â |