. Author manuscript; available in PMC: 2017 Nov 1.

Published in final edited form as: J Head Trauma Rehabil. 2016 Nov-Dec;31(6):E62–E73. doi: 10.1097/HTR.0000000000000214

Table 3.

Linear regression models for overall cognitive composites at 6 and 12 months post-injury.

Variable	Beta	Standard Error	t value	p value
*6 Months*
Age	−0.09871	0.05415	−1.82	0.0716
GCS	0.73400	0.25554	2.87	*0.0051*
Education	0.75151	0.36925	2.04	*0.0448*
PTD	−1.20868	1.89645	−0.64	0.5255
Antidepressant Use	−5.85912	2.08453	−2.81	*0.0061*
PTD*Antidepressant Use	5.05606	3.06514	1.65	0.1025
*12 months*
Age	−0.14271	0.06421	−2.22	*0.0297*
GCS	0.93176	0.31603	2.95	*0.0044*
Education	0.95049	0.51361	1.85	*0.0688*

GCS, Glasgow Coma Scale; PTD, Post-traumatic brain injury depression