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. Author manuscript; available in PMC: 2022 May 1.

Published in final edited form as: J Psychiatr Res. 2020 Nov 3;137:597–602. doi: 10.1016/j.jpsychires.2020.10.044

Table 2.

Descriptive Statistics

	HD group (n=38)			OCD group (n=26)^c			Healthy controls (n=22)
	M	SD	Range	M	SD	Range	M	SD	Range
ISI total score	7.08	5.34	0–21	7.92	5.73	0–20	0.82	2.26	0–21
PSQI global score	6.26	3.00	0–14	6.72	3.87	0–14	2.32	2.32	0–10
DASS depression score	8.95	8.0		14.69	12.41		0.09	0.43
	n	%		n	%		N	%
Hypersomnolence Disorder^a	3	8		2	8		0
Insomnia Disorder^a	3	8		3	12		0
Delayed Sleep Phase^b	0			3	12		0

Descriptive Statistics summary. ISI – Insomnia Severity Index; PSQI – Pittsburgh Sleep Quality Global Score.

^a

Determined with SCID.

^b

Identified with PSQI (Turner et al., 2007).

^c

26 OCD participants completed the ISI, and 25 OCD participants completed the PSQI.