. Author manuscript; available in PMC: 2020 Aug 1.

Published in final edited form as: J Trauma Stress. 2019 Jul 10;32(4):546–554. doi: 10.1002/jts.22418

Table 2.

Linear Multiple Regression Model of the Effects of Posttraumatic Stress Disorder (PTSD) Symptoms and Mild Traumatic Brain Injury (mTBI) status on Tau, Controlling for Gender and Sleep Medications

Variable	β	B	95% CI B	t(4)	p	η_p²
Gender^a	.09	0.37	[−0.43, 1.17]	0.93	.356	.091
Sleep medication^b	−.22	−0.79	[−1.44, −0.13]	−2.39	.019	−.230
mTBI^c	.08	0.23	[−0.29, 0.74]	0.87	.384	.086
PTSD^d	.25	0.65	[0.17, 1.13]	2.67	.009	.256

The referent group was female participants.

The referent group was participants not taking sleep medications.

The referent group was the participants who had no history of mTBI.

The referent group was the PTSD-Absent group.