Table 4.
Parent Regression Model
| Achievement | Impairment | |||||||
|---|---|---|---|---|---|---|---|---|
| Word Reading |
Numerical Operations | Spelling | Overall School |
Reading | Writing | Mathematics | ||
| R2=.28 | R2=.26 | R2=.22 | R2=.30 | R2=.20 | R2=.22 | R2=.35 | ||
| Estimate (S.E.) | Estimate (S.E.) | Estimate (S.E.) | Estimate (S.E.) | Estimate (S.E.) | Estimate (S.E.) | Estimate (S.E.) | ||
| SCT Slow | −0.61 (0.29)* [−.16] |
0.02 (0.29) [.01] |
−0.64 (0.27)* [−.17] |
0.08 (0.02)** [.30] |
0.06 (0.03)* [.18] |
0.09 (0.02)** [.35] |
0.08 (0.02)** [.26] |
|
| SCT Sleepy | -- |
-- | -- | 0.01 (0.02) [.03] |
-- | 0.01 (0.02) [.03] |
−0.01 (0.02) [−.01] |
|
| SCT Daydreamy | -- |
-- | -- | -- | -- | -- | 0.04 (0.02) [.09] |
|
| Inattention | 4.91 (1.99)* [.19] |
−1.57 (1.88) [−.06] |
4.24 (1.84)* [.17] |
0.16 (0.15) [.09] |
0.03 (0.18) [.01] |
0.02 (0.15) [.01] |
0.22 (0.15) [.11] |
|
| Hyperactivity/Impulsivity | −2. 18 (1.19)* [−.14] |
1.21 (1.00) [.06] |
−1.89 (1.09) [−.10] |
0.01 (0.09) [.01] |
0.00 (0.12) [0.0] |
0.16 (0.09) [.12] |
−0.23 (0.10)* [−.15] |
|
| ODD/CD Diagnosis | 1.99 (2.00) [.06] |
0.03 (2.06) [0.0] |
1.72 (1.91) [.05] |
−0.03 (0.15) [−.01] |
0.02 (0.18) [.01] |
−0.32 (0.14)** [−.14] |
0.05 (0.15) [.02] |
|
| Anxiety/Depressive Diagnosis | 4.38 (2.68) [.09] |
3.08 (2.06) [.07] |
4.50 (2.28)* [.10] |
−0.13 (0.15) [−.04] |
−0.41 (0.23) [−.10] |
−0.35 (0.17)* [−.10] |
−0.20 (0.19) [−.05] |
|
| IQ | 0.53 (.05)** [.51] |
0.51 (.05)** [.52] |
0.43 (0.06)** [.44] |
−0.02 (0.00)** [−.34] |
−0.03 (.01)** [−.37] |
−0.01 (0.00)** [−.18] |
−0.03 (0.00)** [−.39] |
|
Note. SCT=sluggish cognitive tempo; ODD=oppositional defiant disorder; CD=conduct disorder. All estimates are unstandardized. Standardized estimates presented in [brackets]. S.E,=standard error, -- =not included in the model based on bivariate correlations.
*
p<.05.
**
p<.01.