Table 2.
Indirect effect of mediators on the sleep quality-metabolic syndrome and sleep quality-number of MetS components relationship.
| Mediator | c-c′ | ab (95% CIsobel) | |
|---|---|---|---|
| MetS | MetS | Number of MetS components | |
| C-Reactive Protein (nM) | 0.012 | 0.014 (−0.007, 0.035) | 0.011 (−0.004, 0.026) |
| γ-Glutamyl transferase (U/L) | 0.022 | 0.042 (−0.006, 0.090) | 0.011 (−0.003, 0.025) |
| Bilirubin (µM) | 0.006 | 0.006 (−0.001, 0.013) | 0.006 (−0.001, 0.012) |
| Carotenoids (µM) | 0.002 | 0.002 (−0.012, 0.016) | 0.001 (−0.010, 0.013) |
| Uric acid (µM) | −0.009 | −0.011 (−0.038, 0.017) | −0.008 (−0.030, 0.013) |
| Vitamin A (µM) | 0.017 | 0.016 (0.001,0.031)∗ | 0.015 (0.001,0.028)∗ |
| Vitamin C (µM) | 0.019 | 0.018 (0.003,0.034)∗ | 0.014 (0.002, 0.026)∗ |
| Vitamin D (nM) | −0.004 | −0.005 (−0.024, 0.014) | −0.004 (−0.021, 0.013) |
| Vitamin E (µM) | −0.015 | −0.016 (−0.040, 0.008) | −0.014 (−0.035, 0.006) |
MetS is metabolic syndrome. c-c′ and ab are indirect effect. ∗Significant for Joint test, and bold means significant for Sobel test.