Table 3.

Multivariate ordinal logistic regression of 3-month GOS-E upon clinical, demographic, socioeconomic, CT, and MRI predictors that are statistically significant univariate predictors at p ≤ 0.05

Model	Predictor	Multivariate odds ratio of predictor	Overall model significance	Cox and Snell pseudo-R2	Nagelkerke pseudo-R2
Model 1. Clinical and demographic/ socioeconomic predictors only	Prior TBI resulting in acute medical evaluation	1.8 (p=0.10)	p=0.005**	9.5%**	10.2%**
	Adults ≥19 years old with less than diploma/G.E.D.	2.6 (p=0.09)
	Unemployed	2.4* (p=0.04)
Model 2. Clinical, demographic/ socioeconomic, and CT predictors	Prior TBI resulting in acute medical evaluation	2.0 (p=0.07)	p = 0.0006***	14.4%***	15.3%***
	Adults ≥19 years old with less than diploma/G.E.D.	2.7 (p=0.08)
	Unemployed	2.6* (p=0.03)
	CT: Subarachnoid hemorrhage	3.5* (p=0.01)
Model 3. Clinical, demographic/ socioeconomic, CT, and MRI predictors	Prior TBI resulting in acute medical evaluation	2.0 (p=0.06)	p = 0.00005****	20.6%%****	21.9%****
	Adults ≥19 years old with less than diploma/G.E.D.	3.2* (p=0.05)
	Unemployed	2.9* (p=0.02)
	CT: Subarachnoid hemorrhage	1.3 (p= 0.70)
	MRI: ≥1 contusion	4.5** (p= 0.01)
	MRI: ≥4 foci axonal injury	3.2* (p= 0.03)

GOS-E – Extended Glasgow Outcome Scale G.E.D. – Graduate Equivalency Degree

^*p ≤ 0.05

^**p ≤ 0.01

^***p ≤ 0.001

^****p ≤ 0.0001