Table 3.
Results of the prospective test for mediation predicting MVPA 5 months later (N = 134).
| 5000 sample bootstrapping |
|||||
|---|---|---|---|---|---|
| Variable | b (SE) | t Score | p-value | b (SE) | 95% BCa CI |
|
Step One (pathway a); Dependent Variable = Intrinsic Motivation | |||||
| Constant | –0.02 (0.33) | –0.06 | 0.94 | ||
| Gender | 0.00 (0.21) | 0.03 | 0.97 | ||
| VO2 L/min | 0.78 (0.34) | 2.29 | 0.02 | ||
| VO2 L/min change | 0.54 (0.44) | 1.20 | 0.22 | ||
| FS | 0.26 (0.05) | 4.64 | 0.0000 | ||
|
Step Two (paths b and c′); Dependent Variable = Time Two MVPA | |||||
| Constant | 26.66 (5.75) | 4.62 | 0.00 | ||
| Gender | –17.64 (3.66) | –4.81 | 0.0000 | ||
| VO2 L/min | 6.19 (6.10) | 1.01 | 0.31 | ||
| VO2 L/min change | 9.56 (7.84) | 1.22 | 0.22 | ||
| FS | 0.01 (1.08) | 0.01 | 0.99 | ||
| IM | 4.39 (1.53) | 2.86 | 0.00 | ||
| Indirect effect | 0.10 (0.03) | [0.041, 0.184] | |||
VO2 L/min, cardiorespiratory fitness; FS, affective response to exercise; IM, intrinsic motivation; MVPA, minutes per day of moderate-to-vigorous physical activity.