Table 2.
Correlations among covariates, alpha-amylase and cortisol reactivity and recovery, and internalizing and externalizing.
| 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. Life Stress | -- | |||||||||
| 2. Puberty | .03 | -- | ||||||||
| 3. Sex | .05 | .31** | -- | |||||||
| 4. Medication | −.05 | −.03 | .01 | -- | ||||||
| 5. Cortisol Reactivity | .17 | .11 | .08 | −.11 | -- | |||||
| 6. Alpha Reactivity | −.05 | .13 | .27** | −.02 | .38** | -- | ||||
| 7. Cortisol Recovery | .08 | .06 | .01 | −.14 | .73** | .15 | -- | |||
| 8. Alpha Recovery | −.07 | .05 | .07 | .02 | .01 | .70** | .03 | -- | ||
| 9. Internalizing | .23** | −.06 | −.01 | .01 | .11 | .16† | .17* | .15 | -- | |
| 10. Externalizing | .27** | −.07 | .03 | −.01 | .20* | .03 | −.03 | −.10 | .19* | -- |
| Mean | 4.89 | 1.66 | 0.32 | 0.11 | 67.88 | 0.07 | 49.31 | 45.56 | 51.78 | |
| SD | 3.28 | 0.54 | 1.17 | 0.16 | 74.44 | 0.07 | 59.08 | 7.14 | 9.60 | |
†
= p < .10,
*
= p < .05,
**
= p < .01
Note: Medication = Sum of cortisol affecting medications, Internalizing and externalizing mean and SD are t-scores.