Table 6 Model fit and nested model comparisons for multiple group CFA analyses
Multiple group CFA | Model fit indices | Nested model comparison | P-value | χ2/df | |||
|---|---|---|---|---|---|---|---|
χ2 (df) | RMSEA | SRMR | Comparison | χ2 (df) test for difference | |||
Gender | |||||||
Women (n = 344) | 632.18 (243) | 0.068 | 0.062 | ||||
Men (n = 297) | 521.71 (243) | 0.062 | 0.058 | ||||
Model 1 (all parameters free) | 1155.42 (486) | 0.066 | 0.060 | ||||
Model 2 (constrained factor loadings) | 1151.52 (506) | 0.063 | 0.060 | Model 2 versus 1 | 31.679 (20) | .047 | 1.58 |
Model 3 (constrained factor loadings and thresholds) | 1185.97 (550) | 0.060 | 0.061 | Model 3 versus 2 | 71.99 (44) | .049 | 1.64 |
Age | |||||||
18–39 (n = 187) | 325.59 (243) | 0.043 | 0.059 | ||||
40–59 (n = 218) | 467.48 (243) | 0.065 | 0.065 | ||||
60–75 (n = 224) | 511.33 (243) | 0.070 | 0.066 | ||||
Model 1 (all parameters free) | 1293.64 (729) | 0.061 | 0.063 | ||||
Model 2 (constrained factor loadings) | 1314.23 (769) | 0.058 | 0.064 | Model 2 versus 1 | 59.82 (40) | .023 | 1.50 |
Model 3 (constrained factor loadings and thresholds) | 1487.83 (857) | 0.059 | 0.066 | Model 3 versus 2 | 231.95 (88) | .000 | 2.64 |
Education | |||||||
No post-secondary Education (n = 351) | 620.65 (243) | 0.067 | 0.060 | ||||
Post secondary Education (n = 284) | 499.06 (243) | 0.061 | 0.060 | ||||
Model 1 (all parameters free) | 1117.94 (486) | 0.064 | 0.060 | ||||
Model 2 (constrained factor loadings) | 1113.24 (506) | 0.061 | 0.060 | Model 2 versus 1 | 32.08 (20) | .043 | 1.60 |
Model 3 (constrained factor loadings and thresholds) | 1154.15 (550) | 0.059 | 0.061 | Model 3 versus 2 | 76.82 (44) | .002 | 1.75 |