Table 2.
MI 1 | MI 2 | MI 3 | MI 4 | MI 5 | |
---|---|---|---|---|---|
Paths | |||||
Autonomy support → Autonomy | 0.29* | 0.27* | 0.29* | 0.31* | 0.32* |
Autonomy support → Relatedness | 0.56* | 0.53* | 0.54* | 0.47* | 0.45* |
Autonomy → Outcome expectations | 0.18 | 0.33* | 0.21* | 0.29* | 0.18 |
Autonomy → Self-determined motivation | 0.04 | 0.17 | 0.22* | 0.08 | 0.22* |
Autonomy → Non self-determined motivation | -0.24* | -0.20 | -0.18 | 0.13 | -0.08 |
Relatedness →Self-determined motivation | 0.20 | -0.02 | 0.06 | 0.06 | 0.04 |
Relatedness → Non self-determined motivation | 0.16 | 0.21 | 0.15 | 0.25 | -0.10 |
Outcome expectations → Confidence | 0.48* | 0.37* | 0.34* | 0.34* | 0.30* |
Confidence → Self-determined motivation | 0.27* | 0.22* | 0.32* | 0.40* | 0.28* |
Confidence → Physical activity (2 months) | 0.25* | 0.30* | 0.32* | 0.33* | 0.28* |
Self-determined motivation → Physical activity (4 months) | -0.12 | -0.13 | -0.08 | -0.18* | -0.09 |
Physical activity (2 months)→ Physical activity (4 months) | 0.46* | 0.48* | 0.45* | 0.49* | 0.47* |
Cardiac rehabilitation → Physical activity (4 months) | -0.19* | -0.15 | -0.20* | -0.16 | -0.18* |
Cardiac rehabilitation → Self-determined motivation | 0.08 | 0.26** | 0.15 | 0.11 | 0.11 |
Cardiac rehabilitation → Outcome satisfaction | 0.26* | 0.19* | 0.21* | 0.24* | 0.18 |
Model fit indices | |||||
Chi-square (df) | 34.66(29) | 41.25(29) | 40.47(29) | 35.36(29) | 38.25(29) |
CFI | 0.97 | 0.93 | 0.94 | 0.96 | 0.93 |
SRMR | 0.07 | 0.09 | 0.08 | 0.08 | 0.08 |
RMSEA | 0.04 | 0.06 | 0.06 | 0.05 | 0.05 |
MI, multiple imputation; CFI, comparative fit index; RMSEA, root mean square error of approximation; SRMR, standardized root mean residual.
*P<0.05.