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Test of the competition model for the mediating effect.
| Model | χ2 | DF | χ2/DF | CFI | TLI | SRMR | RMSEA |
| Chain mediating effect | 47.546 | 18 | 2.641 | 0.932 | 0.923 | 0.040 | 0.062 |
| Parallel mediating effect (competition model) | 139.963 | 24 | 5.791 | 0.798 | 0.843 | 0.065 | 0.109 |
