Table 5.

Correlations between Mental Fog and Objective Cognitive Tasks in Persons with Moderate-to-severe TBI (n = 15).

	1	2	3	4	5	6	7	8	9	10	11	12	13
1. MCSa	1	−.08	.06	−.20	.25	−.4	−.31	−.62*	−.58*	.12	.03	−.22	−0.22
2. PCSS		1	−.25	.30	.09	−.13	−.31	.20	−.20	.27	.09	.23	−0.12
3. Time since injury			1	.18	.13	.01	.32	−.03	.10	−.27	−.29	−.32	−.24
4. Age				1	.24	−.12	.09	−.02	.40	−.13	−.09	.13	.10
5. Sex					1	.30	−.16	−.14	−.16	.15	.17	.06	.17
6. Detection						1	.46†	.36	.08	−.30	−.10	−.18	.19
7. Identification							1	.25	.69**	−.28	−.24	−.28	.05
8. Learning								1	.13	−.58*	−.39	−.14	−.19
9. One Back									1	.13	−.03	.04	.29
10. UFOV®1										1	.80***	.66**	.62*
11. UFOV®2											1	.80***	.77***
12. UFOV®3												1	.68**
13. UFOV®4													1

Notes. All correlations are Spearman rho. MCS = Mental Clutter Scale; PCSS = Post-Concussive Symptom Scale; POMS-Dep = Depression subscale from the Profile of Mood States; UFOV = Useful Field of View.

^†p < .10

^*p < .05

^**p < .01

^aPre-adjusted for association with depressive symptoms using residuals from a linear regression.