Table 2.
Model | χ2 | df | CFI | RMSEA | Comparison: Δχ2(Δdf) |
---|---|---|---|---|---|
Total sample (N = 1,400) | |||||
Model 1: Unidimensional model | 937.41*** | 104 | .88 | .08 | Model 1 vs. 2: 164.97*** (1) |
Model 2: Correlated factor model | 348.91*** | 103 | .97 | .04 | Model 1 vs. 3: 460.75*** (15) |
Model 3: Bifactor model | 199.62*** | 89 | .98 | .03 | Model 2 vs. 3: 111.02*** (14) |
Female (N = 481) | |||||
Model 1: Unidimensional model | 379.25*** | 104 | .91 | .08 | Model 1 vs. 2: 53.22*** (1) |
Model 2: Correlated factor model | 188.83*** | 103 | .97 | .04 | Model 1 vs. 3: 156.80*** (15) |
Model 3: Bifactor model | 153.01*** | 89 | .98 | .04 | Model 2 vs. 3: 36.55*** (14) |
Male (N = 919) | |||||
Model 1: Unidimensional model | 544.16*** | 104 | .88 | .07 | Model 1 vs. 2: 101.44*** (1) |
Model 2: Correlated factor model | 251.41*** | 103 | .96 | .04 | Model 1 vs. 3: 270.90*** (15) |
Model 3: Bifactor model | 133.50*** | 89 | .99 | .02 | Model 2 vs. 3: 86.04*** (14) |
Note.
p < .001.