Table 6. Analysis of invariance across sex, age, and time for Model 9.
| Model | χ2 | df | p | CFI | RMSEA | ΔCFI | Δχ2 | Δdf | p |
|---|---|---|---|---|---|---|---|---|---|
| Invariance by sex | |||||||||
| Model A | 281.6 | 124 | < .01 | .981 | .038 | ||||
| Model B | 314.6 | 146 | < .01 | .980 | .037 | .001 | 33.0 | 22 | > .01 |
| Model C | 358.6 | 162 | < .01 | .976 | .038 | .004 | 44.0 | 16 | < .01 |
| Model D | 358.9 | 163 | < .01 | .976 | .037 | .000 | .03 | 1 | > .01 |
| Model E | 441.8 | 214 | < .01 | .972 | .035 | .004 | 82.9 | 51 | < .01 |
| Invariance by age group (adolescents and adults) | |||||||||
| Model A | 525.8 | 124 | < .01 | .985 | .032 | ||||
| Model B | 565.4 | 146 | < .01 | .984 | .030 | .001 | 39.6 | 22 | > .01 |
| Model C | 679.2 | 162 | < .01 | .981 | .032 | .003 | 113.8 | 16 | < .01 |
| Model D | 679.3 | 163 | < .01 | .981 | .032 | .000 | .01 | 1 | > .01 |
| Model E | 880.2 | 214 | < .01 | .975 | .032 | .006 | 200.9 | 51 | < .01 |
| Invariance across time (adolescents and adults) | |||||||||
| Model A | 1462.9 | 378 | < .01 | .908 | .037 | ||||
| Model B | 1485.5 | 399 | < .01 | .908 | .036 | .000 | 22.6 | 21 | > .01 |
| Model C | 1582.8 | 415 | < .01 | .901 | .039 | .007 | 97.3 | 16 | < .01 |
| Model D | 1634.3 | 452 | < .01 | .900 | .038 | .001 | 51.5 | 37 | > .01 |
| Model E | 1710.0 | 468 | < .01 | .896 | .040 | .004 | 75.7 | 16 | < .01 |