Table 1.
Correlation Matrix for Study Variables
| Variable | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Age | −.06 | −.09 | .08 | −.03 | −.17** | −.01 | −.07 | −.13* | −.12 | .49*** | .40*** | .32*** | .04 | .17** | .04 |
| 2. Sex (boy = 1) | – | .11 | .08 | .11 | .19** | .07 | .09 | .15* | .16* | .00 | −.06 | .01 | −.15 | .08 | .04 |
| 3. FSIQ | – | −.09 | −.22*** | −.02 | −.26*** | −.18** | −.04 | −.10 | .35*** | .33*** | .32*** | −.15 | −.10 | −.11 | |
| 4. CBCL Anxiety Problems T-score | – | .33*** | .32*** | .31*** | .30*** | .33*** | .37*** | .08 | −.06 | .03 | .07 | .57*** | .18* | ||
| 5. DISC IN symptoms | – | .58*** | .78*** | .78*** | .59*** | .62*** | −.25*** | −.25*** | −.13* | .27*** | .43*** | .26*** | |||
| 6. DISC HY symptoms | – | .58*** | .55*** | .87*** | .81*** | −.17** | −.16* | −.15* | .12 | .34*** | .19* | ||||
| 7. DBD IN symptom score (odd items) | – | .84*** | .68*** | .74*** | −.21** | −.27*** | −.19** | .23** | .43*** | .23*** | |||||
| 8. DBD IN symptom score (even items) | – | .69*** | .71*** | −.25*** | −.29*** | −.09 | .17* | .39*** | .17* | ||||||
| 9. DBD HY symptom score (odd items) | – | .86*** | −.12 | −.16* | −.08 | .14* | .37*** | .20** | |||||||
| 10. DBD HY symptom score (even items) | – | −.18* | −.20** | −.12 | .12 | .36*** | .20* | ||||||||
| 11. TMT B (min) | – | .37*** | .45*** | −.07 | .06 | −.04 | |||||||||
| 12. Stroop Color-Word | – | .30*** | −.10 | −.06 | −.11 | ||||||||||
| 13. WISC-IV Digit Span Backwards | – | −.12 | .01 | −.02 | |||||||||||
| 14. CDI Total T-Score | – | .07 | .34*** | ||||||||||||
| 15. CBCL Affective Problems T-Score | - | .25** | |||||||||||||
| 16. TRF Affective Problems T-score | - | ||||||||||||||
| Mean (SD) or % |
68% | 106.89 (14.41) |
56.36 (7.54) |
4.53 (3.15) |
3.38 (3.07) |
6.72 (4.57) |
4.50 (3.28) |
6.30 (4.83) |
3.10 (2.60) |
−1.24 (.88) |
21.05 (6.36) |
5.86 (1.58) |
47.02 (7.41) |
57.00 (7.23) |
57.40 (7.81) |
Note.
*
p ≤ .05,
**
p ≤ .01,
***
p ≤ .001.
DISC = Diagnostic Interview Schedule for Children; IN = inattention; HY = hyperactivity; DBD = Disruptive Behavior Disorder Rating Scale; TMT B = Trail Making Test Part B; WISC-IV = Wechsler Intelligence Scale for Children, Fourth Edition; CDI = Children’s Depression Inventory; CBCL = Child Behavior Checklist; TRF = Teacher Report Form.