Table 1.
Fit indices for the structural models tested (N = 2,983).
| Model | χ2 | df | TLI | CFI | RMSEA | 90% CI |
|---|---|---|---|---|---|---|
| Model 1: One factor with correlated error | 17461.732∗ | 799 | 0.81 | 0.82 | 0.084 | 0.083–0.085 |
| Model 2: Two state factors: SS and CS | 2419.063∗ | 188 | 0.95 | 0.95 | 0.063 | 0.061–0.065 |
| Model 3: Two trait factors: ST and CT | 2589.648∗ | 188 | 0.94 | 0.94 | 0.065 | 0.063–0.068 |
| Model 4: Two factors: State and trait | 28848.444∗ | 818 | 0.69 | 0.71 | 0.107 | 0.106–0.108 |
| Model 5: Two factors: Somatic and cognitive with correlated error | 10112.356∗ | 797 | 0.89 | 0.90 | 0.063 | 0.062–0.064 |
| Model 6: Four factors (ST, CT, SS, CS) | 18244.376∗ | 813 | 0.81 | 0.82 | 0.085 | 0.084–0.085 |
| Model 7: Bifactor with four group factors (ST, CT, SS, CS) and one general factor | 25349.554∗ | 778 | 0.71 | 0.74 | 0.103 | 0.102–0.104 |
| Model 8: Hierarchical structure | 24872.698∗ | 815 | 0.74 | 0.75 | 0.099 | 0.098–0.101 |
∗p < 0.001. Model 7-8: (Roberts et al., 2016); Model 2-3: (Ree et al., 2008); Model 4-5-1: (Grös et al., 2007).
ST, STICSA somatic trait; CT, STICSA cognitive trait; SS, STICSA somatic state; CS, STICSA cognitive state; df, degrees of freedom; TLI, tucker lewis index; CFI, comparative fit index; RMSEA, root-mean-square error of approximation; 90% CI, 90% confidence interval of RMSEA.