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Table 5 Sex measurement invariances of the revised IES-2 (N = 444)

From: Psychometric properties of the Arabic version of the Intuitive Eating Scale-2 (IES-2) in a sample of community adults

Hypothesis

χ2 (df)

Δχ2df)

CFI

ΔCFI

TLI

ΔTLI

RMSEA (90% CI)

ΔRMSEA

Sex (male vs. female)

        

 Configural model

620.993 (142)***

 

0.950

 

0.936

 

0.124 (0.114, 0.134)

 

 Thresholds model

666.415 (170)***

36.660 (28)

0.949

− 0.001

0.945

0.009

0.115 (0.106, 0.124)

− 0.009

 Metric model

676.862 (180)***

19.173 (10)*

0.949

0.000

0.948

0.003

0.112 (0.103, 0.121)

− 0.003

 Scalar model

676.026 (190)***

12.113 (10)

0.950

0.001

0.952

0.004

0.108 (0.099, 0.116)

− 0.004

 Strict model

697.224 (204)***

37.581 (14)**

0.949

− 0.001

0.954

0.002

0.105 (0.096, 0.113)

0.000

Threshold

  

> 0.900

< 0.010

> 0.900

< 0.010

< 0.080

< 0.015

  1. χ2, Chi-square; df, degrees of freedom; CFI, Comparative Fit Index; TLI, Tucker-Lewis Index; RMSEA, Root Mean Square Error of Approximation; Δ, a change in χ2, df, CFI, TLI, and RMSEA
  2. ***p < 0.001; **p < 0.010, *p < 0.050