| Groups | Models | χ2 | d.f. | RMSEA | CFI | NFI | Dχ2 | Full-metric invariance |
| Gender groups | Non-restricted model | 318.144 | 158 | 0.052 | 0.976 | 0.954 | Dχ2 (10) = 11.844 | Supported |
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| p > 0.01 (insignificant) |
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| Full-metric invariance (L(X)Y = INa) | 329.988 | 158 | 0.051 | 0.976 | 0.952 |
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| Age groups |
| 338.411 | 168 | 0.057 | 0.973 | 0.950 | Dχ2 (10) = 13.602 | Supported |
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| p > 0.01 (insignificant) |
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| Full-metric invariance (L(X)Y = INa) | 352.013 | 158 | 0.055 | 0.972 | 0.948 |
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