Table 1.
Goodness of fit indices for the different models
| Model | χ2 † | df | CFI | TLI | RMSEA |
|---|---|---|---|---|---|
| M1. EHQ Two Factors | 647.8 | 169 | .944 | .930 | .079 |
| M2. EHQ Three Factors | 476.8 | 150 | .962 | .946 | .070 |
| M3. EHQ Two Factors Short Version | 307.5 | 76 | .959 | .943 | .082 |
| M4. EHQ Two Factors Short Version CU E15–E19 | 260.7 | 75 | .967 | .954 | .074 |
| M5. DOS One Factor | 507.6 | 35 | .894 | .863 | .173 |
| M6. DOS Two Factors | 158.3 | 26 | .970 | .948 | .106 |
| M7. DOS Two Factors CU D04 & D07 | 117.8 | 25 | .979 | .962 | .091 |
| M8. DOS Two Factors Short Version CU D04–D07 | 79.3 | 18 | .984 | .967 | .087 |
| M9. Final EHQ Model & Final DOS Model | 587.8 | 224 | .959 | .949 | .060 |
df, degrees of freedom; CFI, comparative fit index; TLI, Tucker-Lewis index; RMSEA, root mean square error of approximation; CU, correlated uniquenesses; EHQ, Eating Habits Questionnaire; DOS, Dusseldorf Orthorexia Scale
†All p-values for the χ2 test were < 0.001