Table 3. Correlations among All Study Variables.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Maternal Wake SCC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 2. Infant Wake SCC | .03 | - | - | - | - | - | - | - | - | - | - | - | - |
| 3. Maternal Bed SCC | .21† | .03 | - | - | - | - | - | - | - | - | - | - | - |
| 4. Infant Bed SCC | .04 | -.01 | .30** | - | - | - | - | - | - | - | - | - | - |
| 5. Maternal Average SCC | .92** | .17 | .50** | .05 | - | - | - | - | - | - | - | - | - |
| 6. Infant Average SCC | 03 | .92** | .15 | .32** | .13 | - | - | - | - | - | - | - | - |
| 7. Maternal HCC | .02 | .15 | .21† | .50*** | .11 | .30** | - | - | - | - | - | - | - |
| 8. Positive Engagement Synchrony | .06 | -.26* | .03 | -.10 | .05 | -.29* | -.27** | - | - | - | - | - | - |
| 9. Maternal Intrusivene ss | .20† | .17 | -.04 | -.06 | -.19 | .16 | .22* | -.08 | - | - | - | - | - |
| 10.Maternal Withdrawa 1 | .09 | .05 | .09 | -.17 | .11 | .01 | -.03 | .04 | .12 | - | - | - | - |
| 11.Maternal PSI | .05 | .20† | -.11 | -.17 | -.04 | .15 | -.11 | -.01 | .03 | -.06 | - | - | - |
| 12.Maternal CES-D | .04 | -.06 | .06 | .14 | -.04 | -.01 | .11 | .06 | .03 | -.16 | .19† | - | - |
| 13. SES | .02 | .17 | -.16 | -.16 | .12 | .02 | -.22* | .00 | -.12 | .03 | -.06 | -.25** | - |
†
p < .10,
*
p < .05,
**
p < .01,
***
p < .001
Note. SCC = salivary Cortisol concentration; HCC = hair Cortisol concentration; PSI = Total Parenting Stress; CES-D = Depression; SES = socioeconomic status