Table 5.

Sleep complaints based on SLEEP-50 Questionnaire cut-off scores.

	Trichotillomania (n = 234)	Excoriation Disorder (n = 170)	Control (n = 146)	χ2	Overall sig.
Sleep apnea	17.1%c	19.7%c	6.5%a,b	11.18	0.004
Insomnia	38.5%	35.7%	26.1%	5.77	0.06
Affective disorder	32.1%c	31.0%c	12.9%a,b	18.53	<0.001
Sleep state misperception	1.9%	1.3%	0%	2.55	0.28
Narcolepsy	32.9%c	36.3%c	16.1%a,b	16.61	<0.001
Restless leg syndrome/Periodic limb movement disorder	19.7%c	24.4%c	11.4%a,b	8.24	0.02
Circadian rhythm sleep disorder	13.8%c	12.1%c	5.1%a,b	6.95	0.03
Sleepwalking	0.9%	1.3%	0%	1.64	0.44
Nightmares	19.8%	13.4%	5.3%	4.63	0.10
Hypersomnia	3.6%	5.5%	2.4%	1.33	0.52
>=1 Sleep disorder	63.6%c	66.5%c	39.0%a,b	28.34	<0.001

Note.

^aSignificantly different from Trichotillomania.

^bSignificantly different from Excoriation Disorder.

^cSignificantly different from controls.