Table 6.
Confirmatory Factor Analysis Latent Variable Loadings.
| Latent Variables | Observed Variables | Estimate | SE | z-value | P-value | Std.lv | Std.all |
|---|---|---|---|---|---|---|---|
| Factor 1 (Adaptive Impulsivity) | UPPS Lack of Perseverance | 1.000 | - | - | - | 1.322 | 0.571 |
| UPPS Lack of Planning | 1.397 | 0.119 | 11.771 | 0.000 | 1.847 | 0.829 | |
| Factor 2 (Emotional Impulsivity) | UPPS Positive Urgency | 1.000 | - | - | - | 2.048 | 0.762 |
| UPPS Negative Urgency | 0.762 | 0.047 | 16.151 | 0.000 | 1.561 | 0.668 | |
| UPPS Sensation Seeking | 0.337 | 0.034 | 9.918 | 0.000 | 0.690 | 0.265 | |
| Factor 3 (Verbal Cognition) | NIH Tbx Picture Vocabulary (Age Corrected) | 1.000 | - | - | - | 11.581 | 0.683 |
| NIH Tbx List (Age Corrected) | 0.662 | 0.036 | 18.202 | 0.000 | 7.666 | 0.538 | |
| NIH Tbx Reading (Age Corrected) | 1.137 | 0.059 | 19.238 | 0.000 | 13.168 | 0.699 | |
| Factor 4 (Attention, Memory, and Executive Function) | NIH Tbx Flanker (Age Corrected) | 1.000 | - | - | - | 8.356 | 0.617 |
| NIH Tbx Card Sort (Age Corrected) | 1.323 | 0.073 | 18.037 | 0.000 | 11.059 | 0.720 | |
| NIH Tbx Pattern (Age Corrected) | 1.434 | 0.081 | 17.615 | 0.000 | 11.982 | 0.546 |
NIH Tbx - NIH Toolbox
SE = Standard Error
Std.lv standardizes the latent factors in the model, while keeping the observed variables in their original scale. Std.all, standardizes both the latent and observed variables.