Table 4.

The Reduced Conditional Model for the TBI Sample.

Parameter	Estimate	P-Value	Lower 95% CI	Upper 95% CI
Intercept	−2.280	<.001	−2.300	−2.260
Month	−0.076	<.001	−0.077	−0.075
Age at admission	0.006	<.001	0.005	0.007
Gender = Female	−0.023	.032	−0.040	−0.002
Gender = Male (Reference)	0
Race = Black	−0.044	.060	−0.090	0.002
Race = Hispanic	0.096	<.001	0.050	0.140
Race = Other	−0.310	<.001	−0.370	−0.250
Race = White (Reference)	0
Disability benefits = Yes	0.170	<.001	0.130	0.200
Disability benefits = No (Reference)	0
Tier comorbidity = 1	0.410	<.001	0.353	0.472
Tier comorbidity = 2	0.042	.004	0.014	0.070
Tier comorbidity = 3	0.270	<.001	0.240	0.300
Tier comorbidity = None (Reference)	0
Prior acute stays	0.180	<.001	0.170	0.180
Hospital LOS	0.017	<.001	0.015	0.018
IRF LOS	−0.028	<.001	−0.029	−0.026
Discharge cognitive FIM	−0.017	<.001	−0.018	−0.015
Discharge motor FIM	−0.027	<.001	−0.027	−0.026
Month* IRF LOS	0.003	<.001	0.003	0.003
Month*Hospital LOS	−0.003	<.001	−0.003	−0.002
Month*Discharge cognitive FIM	0.002	<.001	0.002	0.002
Month* Discharge motor FIM	0.002	<.001	0.002	0.002
Month* Prior acute stays	0.014	<.001	0.013	0.015