Psychometric Evaluation of Anxiety, Depression, and Sleep Quality after a Mild Traumatic Brain Injury: A Longitudinal Study

Table 5

Parameter estimates from the growth model for the four outcomes with random group effect.

Outcome	Variables	Estimate		value
BAI	Intercept	0.513	0.241	0.810
	Time	−0.001	−0.419	0.676
	Age	0.077	1.653	0.098
	BAI group (poor)	10.142	7.168	<0.001
		−0.009	−4.293	<0.001
BDI	Intercept	−0.416	−0.203	0.839
	Time	−0.001	−0.786	0.432
	Age	0.108	2.484	0.013
	BDI group (poor)	11.258	8.551	<0.001
		−0.009	−4.744	<0.001
ESS	Intercept	6.227	6.030	<0.001
	Time	0.0001	−0.699	0.485
	Age	−0.008	−0.350	0.726
	ESS group (poor)	6.481	7.469	<0.001
		−0.001	−0.661	0.509
PSQI	Intercept	2.667	2.496	0.013
	Time	0.001	1.614	0.107
	Age	0.045	2.057	0.040
	PSQI group (poor)	5.026	7.039	<0.001
		−0.002	−1.939	0.052