Table 2.
Pearson Product-Moment Correlations for Cognitive Measures and Predictor Variables
| Measure | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. OSPAN | — | ||||||||||||||
| 2. NB2 (AC) | .24 | — | |||||||||||||
| 3. KT2 (AC) | .31 | .36 | — | ||||||||||||
| 4. NM3 (RT) | −.39 | −.28 | −.30 | — | |||||||||||
| 5. NM5 (RT) | −.27 | −.21 | −.34 | .77 | — | ||||||||||
| 6. KTI (RT) | −.15 | −.13 | −.08 | .37 | .28 | — | |||||||||
| 7. Recall (F) | .34 | .06 | .13 | −.38 | −.19 | −.25 | — | ||||||||
| 8. Recall (D) | .32 | .03 | .13 | −.28 | −.16 | −.27 | .69 | — | |||||||
| 9. Recall (MN) | .34 | .23 | .17 | −.31 | −.21 | −.24 | .39 | .37 | — | ||||||
| 10. PSS | −.16 | −.06 | −.05 | .13 | .01 | .01 | −.09 | −.07 | .01 | — | |||||
| 11. CES-D | −.14 | −.13 | −.11 | .07 | −.06 | .06 | .02 | .14 | −.03 | .52 | — | ||||
| 12. IES-Total | −.32 | −.11 | −.15 | .34 | .19 | .30 | −.13 | −.13 | −.15 | .33 | .29 | — | |||
| 13. IES-Severity | −.11 | .06 | −.03 | −.10 | −.11 | .03 | .11 | .19 | .03 | .16 | .25 | .19 | — | ||
| 14. IES-Time | .04 | −.07 | −.15 | −.12 | −.14 | −.05 | −.10 | −.11 | −.20 | −.08 | .01 | −.19 | −.01 | — | |
| 15. Age | −.15 | −.25 | −.32 | .34 | .25 | .33 | −.35 | −.31 | −.26 | .15 | .13 | .17 | −.02 | .12 | — |
Note. Correlations in boldface were significant ( p < .05). OSPAN = operation span; NB2 = 2-back; AC = arcsine transformed accuracy rate; KT2 =Keep-Track 2; NM3 =Number Match (three item); RT =response time in milliseconds; NM5 =Number Match (five item); KT1 =Keep-Track 1; Recall (F) =selective minding free recall; Recall (D) =selective reminding delayed recall; Recall (MN) =Memory for Names; PSS =Perceived Stress Scale; CES-D =Center for Epidemiological Study—Depression; IES-Total =Impact of Event Scale (15-item)—Total score; IES-Severity =Impact of Event Scale—Event severity rating; IES-Time =Impact of Event Scale—Event recentness (in months).