Table 4.
Associations Between Affective Response to Exercise and Next-day Exercise Levels, Mediated by Outcome Expectancy
| a Path (affect on outcome expectations) | b Path (outcome expectations on exercise) | Direct effect (c’ path) | Indirect effect | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Beta estimate (SE) | p | Beta estimate (SE) | p | Beta estimate (SE) | p | Beta estimate (SE) | p | ||
| WS Effect (Positive outcome expectation) | Piece 1 Model (Some vs. zero exercise minutes) | 0.026 (0.004) | <.001 | 0.068 (0.049) | .167 | −0.002 (0.003) | .527 | 0.002 (0.001) | .178 |
| Piece 2 Model (exercise minutes)a | 0.051 (0.025) | .040 | 0.002 (0.002) | .498 | 0.001 (0.001) | .047 | |||
| WS Effect (Negative outcome expectation) | Piece 1 Model (Some vs. zero exercise minutes) | −0.017 (0.004) | <.001 | −0.003 (0.043) | .942 | −0.002 (0.003) | .527 | 0.000 (0.001) | .942 |
| Piece 2 Model (exercise minutes)a | 0.019 (0.027) | .485 | 0.002 (0.002) | .498 | 0.000 (0.000) | .485 | |||
| BS Effect (Positive outcome expectation) | Piece 1 Model (Some vs. zero exercise minutes) | 0.052 (0.007) | <.001 | −0.008 (0.045) | .859 | 0.002 (0.004) | .592 | 0.000 (0.002) | .859 |
| Piece 2 Model (exercise minutes)a | 0.045 (0.033) | .181 | 0.001 (0.003) | .740 | 0.002 (0.002) | .194 | |||
| BS Effect (Negative outcome expectation) | Piece 1 Model (Some vs. zero exercise minutes) | −0.043 (0.006) | <.001 | 0.021 (0.045) | .633 | 0.002 (0.004) | .592 | -0.001 (0.002) | .637 |
| Piece 2 Model (exercise minutes)a | −0.058 (0.037) | .116 | 0.001 (0.003) | .740 | 0.002 (0.002) | .113 | |||
All models controlled for the pre-exercise affective state, exercise duration, participant’s weight category, baseline activity, and wave of the assessment. Bold values indicate a p value < .05.
BS between-subject; SE standard error; WS within-subject.
aExercise minutes were log-transformed.