TABLE 1.

Group means and their standard deviations for questionnaire data at baseline

	TBI group (n = 11)		Control group (n = 10)
	Mean	SD	Mean	SD	P
Age (years)	37.64	12.86	37.60	12.24	.995
Pain severity (0–10)	4.95	3.07	0.13	0.32	<.001
Pain interference (0–10)	5.00	2.85	0.22	0.07	.001
Fatigue severity (9–63)	48.36	13.24	10.80	2.57	<.001
Anxiety (0–21)	11.73	4.34	1.60	2.01	<.001
Depression (0–21)	7.82	3.52	0.20	0.42	<.001
Time since injury (months)	16.8	4.6	—	—	—
Moderate vs severe injury	6/5

Note: P values are from independent-samples t-tests comparing the TBI and control group means.

Abbreviation: TBI, traumatic brain injury.