Table 5.

Regression of Number of Arousals, REM Beta and REM Delta on Daytime Sleepiness within Control and PTSD Groups

		Arousals			REM Beta			REM Delta
		β	Std. Error	p	β	Std. Error	p	β	Std. Error	p
Control	Mood	−.064	16.208	.683	−.170	8.272	.272	−.095	11.161	.549
	MSLT SL	−.026	7.512	.568	.068	3.871	.646	−.024	5.183	.875
	PVT Median RT	−.139	41.883	.347	.030	25.441	.804	.054	33.943	.663
	PVT Lapses	−.291	3.059	.057	−.071	3.275	.524	.027	4.393	.816
PTSD	Mood	−.091	23.617	.561	−.127	11.742	.410	−.090	16.968	.576
	MSLT SL	−.467	6.213	.005	.061	3.573	.732	.115	5.113	.536
	PVT Median RT	.279	76.529	.110	.263	42.698	.131	.297	60.966	.101
	PVT Lapses	.325	11.161	.065	.240	6.887	.178	.267	9.856	.149

Models adjusted for ISI and PSQI-A scores within each group; REM = Rapid eye movement sleep; PTSD = Posttraumatic stress disorder; MSLT SL = Multiple Sleep Latency Test Sleep Latency; PVT = Psychomotor vigilance task; RT = Reaction time