. 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 4.

Linear regression models for functional cognition (FIM-Cog Total) at 6 and 12 months post-injury.

Variable	Beta	Standard Error	t value	p value
*6 Months*
Race	1.25500	0.49164	2.55	*0.0123*
Cognitive Composite	0.25148	0.03707	6.78	*<0.0001*
PTD	−1.30494	0.72604	−1.80	0.0755
Antidepressant Use	−1.97104	0.83523	−2.36	*0.0204*
PTD*Antidepressant Use	1.80275	1.18158	1.53	0.1305
*12 months*
Age	−0.05916	0.02740	−2.16	*0.0348*
GCS	0.23572	0.13792	1.71	0.0925
Cognitive Composite	0.29447	0.04607	6.39	*<0.0001*
PTD	−1.03001	0.73845	−1.39	0.1681

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