Table 4.
Standardized Parameter Estimates and Probability Levels for Effects of Age, Sex, Income and Visit on Standardized Test Scores and Behavioral Scales.
| Age | Sex (Female Baseline) |
Income (Medium Income Baseline) |
Visit (Visit 1 Baseline) |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Year | p | Male | p | Low | High | p | Visit 2 | Visit 3 | p | |
| WASI Full Scale IQ (Standard Score) | −0.11 | ns | 0.07 | ns | −.16*** | .26*** | <.0001 | .09*** | .12** | <.01 |
| WASI Verbal IQ (Standard Score) | −0.13 | p<.01 | −0.03 | ns | −0.09 | 0.20*** | <.0001 | 0.07 | 0.06 | ns |
| WASI Performance IQ (Standard Score) | −0.06 | ns | 0.15 | <.001 | −0.17*** | 0.23*** | <.0001 | 0.09*** | 0.15*** | <.0001 |
| WISC-III Coding (Scaled Score) | 0.03 | ns | −0.24 | <.0001 | −0.10 | 0.16*** | <.0001 | −0.04 | −0.06 | ns |
| WISC-III Digit Span (Scaled Score) | −0.02 | ns | 0.00 | ns | −0.05 | 0.14** | <.01 | 0.02 | 0.02 | ns |
| CVLT-C T1 to T5 (T-Score) | −0.06 | ns | −0.10 | ns | −0.06 | 0.09 | ns | .01 | .07 | ns |
| WJIII Calculation (Standard Score) | −0.14 | p<.01 | 0.02 | ns | −0.15** | 0.23*** | <.0001 | 0.05 | 0.08 | ns |
| WJIII Letter-Word (Standard Score) | −0.25 | <.0001 | −0.01 | ns | −0.06 | 0.10 | ns | −0.00 | −0.01 | ns |
| WJIII Passage Comprehension (Standard Score) | 0.08 | .ns | .05 | ns | −0.09 | 0.17*** | <.0001 | 0.01 | −0.02 | ns |
| NEPSY Verbal Fluency (Scaled Score) | 0.03 | ns | −0.08 | ns | −0.04 | 0.11 | ns | −0.03 | 0.14 | <.01 |
| BRIEF BRI (T-Score) | −0.04 | ns | 0.01 | ns | 0.01 | −0.08 | ns | −0.05 | −0.01 | ns |
| BRIEF MI (T-Score) | 0.04 | ns | −0.03 | ns | 0.02 | −0.11 | .ns | −0.01 | 0.04 | ns |
| BRIEF GEC (T-Score) | −0.00 | ns | −0.01 | ns | 0.02 | −0.12 | .ns | −0.03 | 0.02 | ns |
| CBCL Externalizing Scale (T-Score) | −0.12 | .ns | −0.01 | ns | 0.03 | −0.15*** | <.01 | 0.03 | 0.04 | ns |
| CBCL Internalizing Scale (T-Score) | −0.06 | ns | 0.05 | ns | 0.04 | −0.08 | ns | −0.00 | −0.06 | ns |
| CBCL Total Competence (T-Score) | 0.01 | ns | 0.00 | ns | −0.07 | 0.17*** | <.0001 | −0.03 | −0.06 | ns |
| CBCL Attention Problems (T-Score) | −0.05 | ns | −0.05 | ns | 0.08 | −0.12* | <.001 | 0.06 | 0.08 | ns |
| CANTAB IED Stages | 0.36 | <.0001 | 0.08 | ns | −0.04 | 0.08 | <.01 | 0.16*** | 0.17*** | <.0001 |
| CANTAB Spatial Span (Span) | 0.60 | <.0001 | 0.07 | ns | −0.09* | 0.06 | <.001 | 0.07 | 0.08 | ns |
| CANTAB Spatial Working Memory (Errors) | −0.62 | <.0001 | −0.00 | ns | 0.12*** | −0.08* | <.0001 | −0.04 | −0.01 | ns |
| Pegboard preferred hand (# Pegs) | 0.52 | <.0001 | −0.15 | <.0001 | −0.05 | 0.08 | <.01 | 0.07* | 0.11*** | <.0001 |
| Pegboard non-preferred hand (# Pegs) | 0.53 | <.0001 | −0.09 | <.01 | −0.05 | 0.07 | ns | 0.10* | 0.14*** | <.0001 |
| Pegboard Both (# Pegs) | 0.44 | <.0001 | −0.08 | ns | −0.06 | 0.09* | <.01 | 0.14*** | 0.14*** | <.0001 |
| Verbal Fluency Total (# Words) | 0.66 | <.0001 | −0.05 | ns | −0.02 | 0.08 | ns | 0.02 | 0.05 | ns |
| Verbal Fluency Phonemic (# Words) | 0.64 | <.0001 | −0.04 | ns | −0.05 | 0.06 | ns | 0.05 | 0.08 | ns |
| Verbal Fluency Semantic (# Words) | 0.54 | <.0001 | −0.07 | ns | −0.03 | 0.09 | ns | −0.02 | 0.00 | ns |
*
p<0.01,
**
p<0.001,
***
p<0.0001
Note: Standardized parameter estimates indicate effect size.