Table 4.
Comparison of indirect effects of overcommitment on insomnia symptoms mediated by perceived organizational support and psychological capital.
| Product of coefficients | Bootstrapping 95% BC confidence interval (CI) | Proportion of indirect effect | |||
|---|---|---|---|---|---|
| Point estimate | Boot SE | BootLL CI | BootUL CI | ||
| Effect | |||||
| Total indirect effect of X on Y | 0.083 | 0.015 | 0.056 | 0.114 | 23.25% |
| Indirect effect 1: X → M1 → Y | 0.030 | 0.010 | 0.013 | 0.051 | 8.40% |
| Indirect effect 2: X → M2 → Y | 0.035 | 0.010 | 0.018 | 0.056 | 9.80% |
| Indirect effect 3: X → M1 → M2 → Y | 0.017 | 0.005 | 0.009 | 0.028 | 4.76% |
| Contrasts | |||||
| Model 1 vs. Model 2 | −0.005 | 0.015 | −0.036 | 0.025 | |
| Model 1 vs. Model 3 | 0.013 | 0.011 | −0.008 | 0.035 | |
| Model 2 vs. Model 3 | 0.018 | 0.009 | 0.002 | 0.037 | |
N = 658. Number of bootstrap samples for bias corrected bootstrap confidence intervals: 10,000. Level of confidence for all confidence intervals: 95%. X, overcommitment; M1, perceived organizational support; M2, psychological capital; Y, insomnia symptoms; Model 1, overcommitment—perceived organizational support—insomnia symptoms; Model 2, overcommitment—psychological capital—insomnia; Model 3, overcommitment—perceived organizational support—psychological capital—insomnia symptoms; LL, lower level; UL, upper level.