| Model 1 (n = 79) | Model 2 (n = 71) |
---|
Bivariate | Step 1 (Demographic) | Step 2 (+BIS Total) | Bivariate | Step 1 (NIH Examiner scales) | Step 2 (+ RIST) |
---|
Socioeconomic Status a | −0.182 | −0.110 | − 0.070 | | | −0.071 |
Child Age (years) | −0.201* | −0.338 | − 0.454* | | | −0.508 |
BIS Total | 0.307** | | 0.363** | | | |
Verbal Fluency Total | | | | −0.231* | −0.095 | −0.083 |
Weighted composite | | | | 0.053 | 0.411 | 0.306 |
CPT Total Targets Correct | | | | −0.043 | 0.007 | −0.006 |
CPT Target Errors | | | | 0.270** | 0.641 | 0.785 |
N-Back Score | | | | −0.238* | −0.537 | −0.724 |
Set Shifting score | | | | −0.070 | 0.268 | 0.408 |
Executive Function Composite Score | | | | −0.214* | 0.098 | 0.208 |
RISTtotal index IQ b | | | | −0.170 | | −0.116 |
Total explained variance (adjusted R2) | | 0.049 | 0.146 | | 0.028 | 0.062 |
- Model 1 includes demographic variables (SES and child age) and Parent reported BIS Total
- Model 2 includes neurocognitive variables (NIH Examiner scales, RIST)
- R-squared values used in this table are adjusted variables
- aBarratt Simplified Measure of Social Status
- bReynolds Intellectual Screening Test Composite IQ is standard score
- *p-value < 0.05
- **p-value < 0.01