Modeling the Prospective Relationships of Impairment, Injury Severity, and Participation to Quality of Life Following Traumatic Brain Injury

Table 2

Direct effects of corrected path model.

Effect	Unstandardized estimate	Standardized estimate	SE	Critical ratio
MOT → MOB***	1.890	0.296	0.415	4.554
COG → MOB***	1.902	0.200	0.477	3.983
MOT → OCC***	1.901	0.161	0.347	5.483
COG → OCC***	2.805	0.159	0.588	4.768
AIS → OCC***	−3.648	−0.098	0.553	−6.598
MOB → OCC***	0.907	0.489	0.111	8.209
MOT → LSI	0.274	0.161	0.148	1.852
MOB → LSI*	0.035	0.129	0.015	2.281
OCC → LSI***	0.039	0.270	0.010	3.904
MOB → Health***	−0.012	−0.234	0.003	−3.583
OCC → Health***	−0.009	−0.306	0.002	−5.211

 ^∗𝑃<0.05. ^∗∗∗𝑃<0.001.
MOT: motor functional independence at 12-month post-discharge; COG: cognitive functional independence at 12-month post-discharge; AIS: Abbreviated Injury Scale head severity ratings obtained in chart review; MOB: mobility at 48-month post-discharge; OCC: occupational activities at 48-month post-discharge; LSI: life satisfaction inventory at 60-month post-discharge; Health: self-rated health status at 60-month post-discharge.