Model | χ2 | df | p-value | RMSEA | 90% C.I. for RMSEA | CFI | TLI | Remarks |
---|---|---|---|---|---|---|---|---|
General population (N = 282) | ||||||||
 (a) Original five-factor model | 511.981 | 367 |  < 0.001 | 0.037 | 0.029–0.045 | 0.938 | 0.932 | 4-factor correlations > 0.90 |
 (b) Three-factor modela | 500.910 | 347 |  < 0.001 | 0.040 | 0.032–0.047 | 0.932 | 0.926 | − |
 (c) One-factor modela | 548.720 | 350 |  < 0.001 | 0.045 | 0.038 –0.052 | 0.912 | 0.905 | − |
 (b) vs (c) |  |  |  |  |  |  |  | (b) better than (c) (Δχ2 = 41.695, Δdf = 3, p < .001) |
Clinical population (N = 150) | ||||||||
 (a) Original five-factor model | 437.586 | 367 | .007 | 0.036 | 0.020–0.048 | 0.955 | 0.950 | 3-factor correlations > 0.90 and loading of item 8 not significant |
 (b) Three-factor modela | 403.218 | 347 | .020 | 0.033 | 0.014 –0.046 | 0.964 | 0.961 | − |
(c) One-factor modela | 451.269 | 350 |  < 0.001 | 0.044 | 0.031–0.055 | 0.935 | 0.930 | − |
  (b) vs (c) |  |  |  |  |  |  |  | (b) better than (c) (Δχ2 = 38.963, Δdf = 3, p < 0.001) |