Table 5. Analysis of invariance across sex, age, and time for Model 6.
| Model | χ2 | df | p | CFI | RMSEA | ΔCFI | Δχ2 | Δdf | p |
|---|---|---|---|---|---|---|---|---|---|
| Invariance by sex | |||||||||
| Model A | 498.3 | 176 | < .01 | .961 | .046 | ||||
| Model B | 551.0 | 207 | < .01 | .959 | .044 | .002 | 52.7 | 31 | < .01 |
| Model C | 599.5 | 223 | < .01 | .955 | .044 | .004 | 48.5 | 16 | < .01 |
| Model D | 599.6 | 224 | < .01 | .955 | .044 | .000 | 0.1 | 1 | > .01 |
| Model E | 639.2 | 240 | < .01 | .952 | .044 | .003 | 39.6 | 16 | < .01 |
| Invariance by age group (adolescents and adults) | |||||||||
| Model A | 980.5 | 176 | < .01 | .970 | .038 | ||||
| Model B | 1022.7 | 207 | < .01 | .970 | .035 | .000 | 42.2 | 31 | > .01 |
| Model C | 1143.0 | 223 | < .01 | .966 | .036 | .004 | 120.3 | 16 | < .01 |
| Model D | 1143.1 | 224 | < .01 | .966 | .036 | .000 | .01 | 1 | > .01 |
| Model E | 1281.1 | 270 | < .01 | .961 | .037 | .005 | 138.0 | 16 | < .01 |
| Invariance across time (adolescents and adults) | |||||||||
| Model A | 976.0 | 431 | < .01 | .954 | .043 | ||||
| Model B | 1004.5 | 459 | < .01 | .954 | .042 | .000 | 28.6 | 28 | > .01 |
| Model C | 1114.7 | 475 | < .01 | .946 | .045 | .008 | 110.2 | 16 | < .01 |
| Model D | 1116.6 | 476 | < .01 | .946 | .045 | .000 | 1.9 | 3 | > .01 |
| Model E | 1236.2 | 492 | < .01 | .937 | .047 | .009 | 119.6 | 16 | < .01 |