Table 1. Correlations table.
Partial correlations, controlling for age, between study variables for full sample (N = 204).
| Variables | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|
| 1. Teacher-rated inattention | – | ||||||||
| 2. Word reading | −.49** | – | |||||||
| 3. Reading fluency | −.54** | .81** | – | ||||||
| 4. Math calculation | −.48** | .49** | .51** | – | |||||
| 5. Addition fluency | −.48** | .42** | .52** | .59** | – | ||||
| 6. Subtraction fluency | −.40** | .44** | .47** | .58** | .82** | – | |||
| 7. Auditory-verbal WM | −.23** | .31** | .35** | .33** | .30** | .34** | – | ||
| 8. Visual-spatial WM | −.34** | .24** | .24** | .33** | .33** | .32** | .14 | – | |
| 8. Sex | −.37** | .08 | .16* | .08 | .00 | −.15** | −.05 | .16* | – |
| 8. Parent education level | −.22** | .23** | .31** | .22** | .20** | .24** | .16* | .10 | .03 |
Notes.
Significant correlation:
*
p < .05.
**
p < .01.
Measured at Year 1 Time A: Teacher-rated Inattention, Age, Sex, Parent education level.
Measured at Year 1 Time B: All working memory measures.
Measured at Year 2 Time B: All academic measures.
Teacher-rated Inattention, Addition and Subtraction Fluency: total raw scores. Math Calculation, Reading Fluency, Word Reading, working memory variables: Standard Scores.