Table 5. PPLI-Sp questionnaire goodness-of-fit indexes.
| Index | Value | 
| CMIN/DF | 1.958 | 
| P (χ2) | 0.003 | 
| RMSEA | 0.095 | 
| CFI | 0.951 | 
| TLI | 0.926 | 
| NFI | 0.906 | 
CMIN/DF, minimum discrepancy per degree of freedom; P (χ2), chi-squared probability; RMSEA, root mean square error of approximation; CFI, comparative fit index; TLI, Tuker-Lewis index; NFI, normed fit index.