Table 2 Result of chain mediation analysis
Standardized indirect effects | Indirect effect | Boot SE | Boot LLCI | Boot ULCI | Effect size |
|---|---|---|---|---|---|
Total indirect effect | -0.18 | 0.03 | -0.23 | -0.13 | 98.97% |
Path 1: | Â | Â | Â | Â | Â |
PMPU → sleep quality index → TMD | -0.06 | 0.01 | -0.08 | -0.04 | 32.99% |
Path 2: | Â | Â | Â | Â | Â |
PMPU → cognitive flexibility → TMD | -0.10 | 0.03 | -0.15 | -0.05 | 53.54% |
Path 3: | Â | Â | Â | Â | Â |
PMPU → sleep quality index → cognitive flexibility → TMD | -0.02 | 0.01 | -0.04 | -0.01 | 12.44% |
Comparison 1 | 0.04 | 0.03 | -0.02 | 0.10 | Â |
Comparison 2 | -0.04 | 0.02 | -0.07 | -0.01 | Â |
Comparison 3 | -0.08 | 0.03 | -0.13 | -0.02 | Â |