Table 2.
Zero-order and partial Pearson's correlations across the whole sample
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| 1. Perceived stress | 1.00 | − .20*** | − .06 | − .02 | − .07* | − .13*** | − .13*** | − .12*** | − .10*** |
| 2. Socioeconomic status | − .20*** | 1.00 | .12*** | .11*** | .17*** | .24*** | .26*** | .33*** | .17*** |
| 3. Processing speed | − .06 | .09** | 1.00 | .36*** | .11*** | .18*** | .16*** | .26*** | .42*** |
| 4. Flanker | − .02 | .07* | .37*** | 1.00 | .07* | .15*** | .12*** | .19*** | .50*** |
| 5. Penn Word Memory | − .07* | .17*** | .11*** | .06 | 1.00 | .19*** | .16*** | .21*** | .15*** |
| 6. Picture Sequence Memory | − .12*** | .22*** | .18*** | .14*** | .19*** | 1.00 | .35*** | .31*** | .19*** |
| 7. List sorting | − .13*** | .24*** | .17*** | .13*** | ,14*** | .33*** | 1.00 | .38*** | .17*** |
| 8. N-Back | − .12*** | .28*** | .27*** | .23*** | .19*** | .29*** | .39*** | 1.00 | .30*** |
| 9. Card sorting | − .10*** | .13*** | .43*** | .51*** | .14*** | .18*** | .18*** | .32*** | 1.00 |
*p < .05; **p < .01; ***p < .001. The lower triangle represents the zero-order correlations, and the upper triangle represents partial correlations while controlling for sex and age