Table 4.

Comparing depressive symptoms, maladaptive thinking, and hyperarousal between insomnia remitters and non-remitters.

Insomnia Remission Status
	Posttreatment			6-month follow-up
	Remitters	Non-Remitters		Remitters	Non-Remitters
BDI-II	4.41±4.07	7.96±5.44	Cohen’s d=.74	4.57±4.13	7.31±4.95	Cohen’s d=.60
DBAS	2.68±1.42	4.17±1.51	Cohen’s d=1.02	2.92±1.29	4.15±1.43	Cohen’s d=.90
PSAS Cognitive	9.79±2.41	12.33±4.56	Cohen’s d=.70	10.00±2.15	12.50±3.74	Cohen’s d=.82
ERRI	.89±.76	.95±.63	--	.87±.62	.94±.68	--
PSWQ	39.61±10.17	46.04±12.70	Cohen’s d=.56	38.25±10.35	45.78±10.55	Cohen’s d=.72
PSAS Somatic	13.00±4.29	18.05±6.35	Cohen’s d=.93	13.88±4.20	19.58±7.10	Cohen’s d=.98

Note: Insomnia severity index score of 7 or below indicates remission. BDI-II = Beck depression inventory, 2nd edition. DBAS = dysfunctional beliefs and attitudes about sleep scale, 16-item version. PSAS Cognitive = presleep arousal scale, cognitive factor. PSAS Somatic = presleep arousal scale, somatic factor. ERRI = event-related rumination inventory. PSWQ = Penn State worry questionnaire.