Table 3.
Hierarchical Linear Regression analyses examining the association between group status, interpersonal distress, and the interaction of group status*interpersonal distress on PSG-assessed sleep and beta power.
| Sleep Latency* | WASO | Total Sleep Time | Percent Delta | Percent REM* | Beta power | |
|---|---|---|---|---|---|---|
| β (t) | β (t) | β (t) | β (t) | β (t) | β (t) | |
| Group | .02 (.16) | .09 (.73) | −.17 (−1.39) | .04 (0.28) | −.08 (−0.58) | 0.12 (.934) |
| IIP | −.21 (−1.49) | −.21 (−1.62) | .11 (0.84) | −.13 (−0.97) | .36 (2.61) ** | −.05 (−.38) |
| IIP*Group | −.339 (−2.60) * | −.21 (−1.68) | .03 (0.25) | .14 (1.09) | .09 (0.65) | −.15 (−1.15) |
Note. All models include age, gender, marital status, and group as covariates.
*
p < .05;
**
p < .01;
***
p < .001