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Table 1 Goodness of fit indices for the different models

From: The relation of orthorexia with lifestyle habits: Arabic versions of the Eating Habits Questionnaire and the Dusseldorf Orthorexia Scale

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

  1. 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
  2. All p-values for the χ2 test were < 0.001