Table 4.
Summary of Goodness-of-Fit Statistics for Multigroup Invariance Tests for the Interpersonal Needs Questionnaire-10
| Model no | Description | Contrast | χ2 | df | χ2 Δ | df Δ | Δ p | CMIN/df | CFI | Δ CFI | SRMR | RMSEA | pClose |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Configural model (unconstrained) | 159.45 | 64 | 2.491 | 0.883 | 0.119 | 0.047 | 0.695 | |||||
| 2a | Measurement model (all factor loadings constrained equal) | 2a vs. 1 | 262.733 | 74 | 77.01 | 10 | <0.001 | 3.550 | 0.769 | 0.082 | 0.091 | 0.695 | 0.010 |
| 2b | Burden factor (burden subscale factor loadings constrained equal) | 2b vs. 1 | 219.314 | 69 | 43.419 | 5 | <0.001 | 3.178 | 0.816 | 0.055 | 0.097 | 0.057 | 0.182 |
| 2c | Belong factor (belong subscale factor loadings constrained equal) | 2c vs. 1 | 185.902 | 69 | 26.452 | 5 | <0.001 | 2.694 | 0.857 | 0.034 | 0.169 | 0.050 | 0.480 |
| 2d | Configural model + “these days I make things worse for the people in my life” | 2d vs. 1 | 197.926 | 65 | 38.476 | 1 | <0.001 | 3.045 | 0.838 | 0.045 | 0.087 | 0.055 | 0.166 |
| 2e | Configural model + “these days I think the people in my life wish they could be rid of me” | 2e vs. 1 | 191.685 | 65 | 32.235 | 1 | <0.001 | 2.949 | 0.845 | 0.038 | 0.077 | 0.054 | 0.234 |
| 2f | Configural model + “these days I think my death would be a relief to the people in my life” | 2f vs. 1 | 213.713 | 65 | 54.263 | 1 | <0.001 | 3.288 | 0.818 | 0.065 | 0.097 | 0.058 | 0.058 |
| 2g | Configural model + “these days, I think the people in my life would be happier without me” | 2g vs. 1 | 204.115 | 65 | 33.963 | 1 | <0.001 | 3.140 | 0.830 | 0.053 | 0.087 | 0.056 | 0.113 |
| 2h | Configural model + “these days, the people in my life would be better off if I were gone” | 2h vs. 1 | 208.415 | 65 | 38.864 | 1 | <0.001 | 3.206 | 0.825 | 0.058 | 0.091 | 0.057 | 0.085 |
| 2i | Configural model + “these days, I am close to other people” | 2i vs. 1 | 169.249 | 65 | 37.822 | 1 | <0.001 | 2.604 | 0.873 | 0.010 | 0.126 | 0.049 | 0.578 |
| 2j | Configural model + “these days, I feel like an outsider at social gatherings” | 2j vs. 1 | 175.772 | 65 | 16.321 | 1 | <0.001 | 2.704 | 0.865 | 0.018 | 0.153 | 0.050 | 0.469 |
| 2k | Configural model + “these days, I feel disconnected from people” | 2k vs. 1 | 161.008 | 65 | 1.558 | 1 | 0.212 | 2.477 | 0.883 | 0 | 0.122 | 0.047 | 0.710 |
| 2l | 2k + “these days I am fortunate to have many caring and supportive friends” | 2l vs. 2k | 165.262 | 66 | 4.254 | 1 | 0.039 | 2.504 | 0.879 | 0.004 | 0.129 | 0.047 | 0.685 |
| 2m | 2l + “these days I feel like I belong” | 2m vs. 2l | 169.229 | 67 | 3.967 | 1 | 0.046 | 2.526 | 0.875 | 0.004 | 0.138 | 0.048 | 0.664 |
Bold indicates non-invariant measurement model and individual items (factor loadings significantly different between groups indicating metric non-invariance).