Table 2.
Measurement invariance of the three-factor S-EDE-Q across non-vegetarians (n = 8,942), weight-motivated vegetarians (n = 413), and non-weight-motivated vegetarians (n = 555)
Invariance Model | χ2 (df) | CFI | RMSEA (90% CI) | SRMR | Δχ2 (Δdf), p | ΔCFI | ΔRMSEA | ΔSRMR | Invariance? |
---|---|---|---|---|---|---|---|---|---|
Configural | 681.36 (33)*** | .997 | .077 (.072, .082) | .012 | -- | -- | -- | -- | Yes |
Metric | 652.97 (41)*** | .998 | .067 (.063, .072) | .012 | 15.89 (8), .04 | .001 | .010 | <.001 | Yes |
Scalar | 632.74 (105)*** | .998 | .039 (.036, .042) | .013 | 104.93 (64), *** | <.001 | .028 | .001 | Yes |
Residual | 629.56 (112)*** | .998 | .037 (.035, .040) | .013 | 17.86 (7), .01 | <.001 | .002 | .000 | Yes |
Note. S-EDE-Q = Short-Eating Disorder Examination-Questionnaire; CFI = comparative fit index; RMSEA = root mean square error of approximation; CI = confidence interval; SRMR = standardized root-mean square residual.
p < .001.