Table 3.
Model comparison.
| Model | χ2 | df | Δχ2 | RMSEA | CFI | TLI | SRMR |
|---|---|---|---|---|---|---|---|
|
Four-factor model
CS, HS, SL, EE |
3192.95 | 293 | 0.06 | 0.90 | 0.90 | 0.05 | |
|
Three-factor model
CS + HS, SL, EE |
4871.60 | 296 | 1678.65 ** | 0.08 | 0.85 | 0.83 | 0.07 |
|
Two-factor model
CS + HS + SL, EE |
5873.65 | 298 | 2680.70 ** | 0.08 | 0.81 | 0.79 | 0.07 |
|
One factor model
CS + HS + SL+ EE |
8595.85 | 299 | 5402.90 ** | 0.10 | 0.72 | 0.69 | 0.09 |
Note: CS denotes challenge stress; HS represents hindrance stress; SL indicates perceived servant leadership; EE is emotional exhaustion; RMSEA: root mean square error of approximation; SRMR: standardized root mean square residual; CFI: comparative Fit Index; TLI: the Tucker–Lewis Index; ** p < 0.01.