Table 3.

Explanatory power of multivariable models for the EQ-VAS that include any combination of the EQ-5D and cognition dimensions for TBI and non-TBI patients

Combination of EQ-5D + C dimensions	Adjusted R2	F value	P value
Research population
MO, SC, UA, PD, AD	0.480	249.1	< 0.001*
MO, SC, UA, PD, AD, CO	0.499	224.5	< 0.001*
MO, UA, PD, AD, CO	0.486	255.4	< 0.001*
MO, SC, PD, AD, CO	0.477	246.8	< 0.001*
MO, SC, UA, AD, CO	0.472	241.7	< 0.001*
MO, SC, UA PD, CO	0.471	241.2	< 0.001*
SC, UA, PD, AD, CO	0.487	256.4	< 0.001*
TBI patients
MO, SC, UA, PD, AD	0.528	80.9	< 0.001*
MO, SC, UA, PD, AD, CO	0.560	76.6	< 0.001*
MO, UA, PD, AD, CO	0.546	86.7	< 0.001*
MO, SC, PD, AD, CO	0.533	82.3	< 0.001*
MO, SC, UA, AD, CO	0.530	81.5	< 0.001*
MO, SC, UA PD, CO	0.546	86.8	< 0.001*
SC, UA, PD, AD, CO	0.546	87.0	< 0.001*
Non-TBI patients
MO, SC, UA, PD, AD	0.451	163.7	< 0.001*
MO, SC, UA, PD, AD, CO	0.466	145.0	< 0.001*
MO, UA, PD, AD, CO	0.452	164.3	< 0.001*
MO, SC, PD, AD, CO	0.447	161.1	< 0.001*
MO, SC, UA, AD, CO	0.441	157.2	< 0.001*
MO, SC, UA PD, CO	0.433	151.9	< 0.001*
SC, UA, PD, AD, CO	0.454	165.7	< 0.001*

MO mobility, SC self-care, UA usual activities, PD pain/discomfort, AD anxiety/depression, CO cognition

*Significant at 5% level