Table 2 Confirmatory factor analysis: Model comparison and tests of measurement invariance for the nine-factor model (Robust Maximum Likelihood estimation - MLM)
Model tested | Absolute fit | Comparison to less-constrained (or baseline) model | Comparative fit | Parsimony fit | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | c1 | SB χ2 | df | SB χ2/df | Δdf | T S (ΔSB χ2) | AIC | TLI | CFI | SRMR | RMSEA a | |
Factorial Invariance | ||||||||||||
Two-factor model | 1,149 | 1.259 | 11,847.949*** | 1,538 | 7.7 | 157,955 | .747 | .756 | .078 | .067 | ||
Nine-factor model | 1,149 | 1.250 | 7,383.383*** | 1,500 | 4.9 | 38 | 2,765.7*** | 153,564 | .855 | .863 | .071 | .051 |
Measurement Invariance (Gender) | ||||||||||||
Female | 622 | 1.209 | 4,837.946*** | 1,500 | 3.2 | 82,414 | .858 | .867 | .071 | .052 | ||
Male | 527 | 1.220 | 4,720.306*** | 1,500 | 3.1 | 71,065 | .830 | .840 | .077 | .055 | ||
Baseline Model | 1,149 | 1.211 | 9,665.630*** | 3,048 | 3.2 | 153,488 | .846 | .853 | .075 | .053 | ||
Partial measurement invariance b | 1,149 | 1.209 | 9,761.882*** | 3,099 | 3.2 | 51 | 88.4** | 153,482 | .847 | .852 | .077 | .053 |
Full measurement invariance c | 1,149 | 1.210 | 9,874.099*** | 3,157 | 3.1 | 58 (109) | 88.8*** (176.4***) | 153,482 | .849 | .851 | .078 | .053 |
Measurement Invariance (Age) | ||||||||||||
Young (14-47) | 540 | 1.193 | 4,562.580*** | 1,500 | 3.0 | 73,432 | .834 | .844 | .075 | .054 | ||
Old (48-99) | 609 | 1.251 | 4,743.958*** | 1,500 | 3.2 | 79,730 | .863 | .871 | .068 | .050 | ||
Baseline Model | 1,149 | 1.219 | 9,481.756*** | 3,048 | 3.1 | 153,245 | .849 | .856 | .073 | .052 | ||
Partial measurement invariance b | 1,149 | 1.215 | 9,571.958*** | 3,099 | 3.1 | 51 | 92.4*** | 153,236 | .850 | .854 | .075 | .052 |
Full measurement invariance c | 1,149 | 1.217 | 9,812.218*** | 3,157 | 3.1 | 58 (109) | 181.5*** (248.6***) | 153,358 | .849 | .850 | .076 | .052 |