Table 5.
Tests for invariance across gender and age groups for the whole study sample (n = 2.508)
| N | χ 2 (df) | Δ χ 2 | Δ p | CMIN/DF | CFI | Δ CFI | RMSEA | Δ RMSEA | |
|---|---|---|---|---|---|---|---|---|---|
| Gender | |||||||||
| Men | 1.171 | 28.508 (2) | 14.254 | .982 | .106 | ||||
| Women | 1.330 | 16.831 (2) | 8.415 | .989 | .075 | ||||
| Multigroup analysis | |||||||||
| Configural model | 45.340 (4) | 11.335 | .986 | .064 | |||||
| Metric model | 53.155 (8) | 7.815 | .099 | 6.644 | .984 | .002 | .048 | .016 | |
| Scalar model | 82.542 (12) | 29.388 | <.001 | 6.879 | .975 | .009 | .049 | .001 | |
| Age | |||||||||
| 14–29 years | 444 | 0.209 (2) | 0.104 | 1 | 0 | ||||
| 30–39 years | 330 | 2.908 (2) | 1.454 | .998 | .037 | ||||
| 40–49 years | 447 | 29.243 (2) | 14.621 | .950 | .175 | ||||
| 50–59 years | 466 | 10.147 (2) | 5.073 | .985 | .094 | ||||
| 60–69 years | 393 | 16.285 (2) | 8.142 | .957 | .135 | ||||
| ≥ 70 years | 421 | 8.740 (2) | 4.370 | .986 | .090 | ||||
| Multigroup analysis for all age groups | |||||||||
| Configural model | 67.528 (12) | 5.627 | .980 | .043 | |||||
| Metric model | 96.920 (32) | 29.393 | .080 | 3.029 | .977 | .003 | .029 | .014 | |
| Scalar model | 239.290 (52) | 142.370 | <.001 | 4.602 | .933 | .044 | .038 | .009 | |
| Multigroup analysis for all age groups except 14–29 years and ≥70 years | |||||||||
| Configural model | 58.577 (8) | 7.322 | .972 | .062 | |||||
| Metric model | 73.271 (20) | 14.694 | .259 | 3.664 | .971 | .001 | .040 | .022 | |
| Scalar model | 101.076 (32) | 27.805 | .006 | 3.159 | .962 | .009 | .036 | .004 | |