Table 2.
Variable | No. of free parameters | Log-likelihood | Δχ2 | df | P | Samplesize-adjusted BIC |
Base model | 83 | −7,639.51 | – | – | – | 15,599.03 |
Gender analysis | ||||||
Factor loadings and thresholds constrained | 47 | –7,669.52 | 58.10 | 36 | .0112 | 15,520.25 |
Mean and variance constrained across gender | 43 | –7,673.01 | 6.97 | 4 | .1376 | 15,511.83 |
Mean and variance constrained across all groups | 41 | −7,673.67 | 1.17 | 2 | .5563 | 15,505.42 |
Ethnicity analysis | ||||||
Factor loadings and thresholds constrained | 47 | –7,711.63 | 138.58 | 36 | <.0001 | 15,604.46 |
Mean and variance constrained | 43 | –7,716.60 | 9.85 | 4 | .0430 | 15,598.98 |
Notes: Bolded text indicates best-fitting model. BIC = Bayesian information criterion.