Table 2.

Hierarchical Linear Regression analyses examining the association between group status, interpersonal distress, and the interaction of group status*interpersonal distress on self-report sleep, presleep arousal, hyperarousal, and insomnia severity.

	PSQI	Cognitive PSA	Somatic PSA	Hyperarousal	Insomnia Severity
	β (t)	β (t)	β (t)	β (t)	β (t)
Group	0.94 (20.13)***	0.64 (6.58)***	0.409 (3.50)**	0.612 (5.96)***	0.94 (21.43)***
IIP	0.072 (1.48)	0.204 (2.03)*	0.2 (1.68)	0.509 (5.82)***	0.112 (2.50)**
IIP*Group	0.059 (1.25)	0.245 (2.66)**	0.033 (0.28)	−0.08 (−0.96)	0.124 (3.06)**

Note. All models include age, gender, marital status, and group as covariates.

^*p < .05;

^**p < .01;

^***p < .001