. Author manuscript; available in PMC: 2012 Jun 26.

Published in final edited form as: J Clin Exp Neuropsychol. 2011 Aug 23;33(8):853–863. doi: 10.1080/13803395.2010.547662

Table 4. Raw neuropsychological test score means and statistical comparisons by HIV status.

	HIV-		HIV+		Without covariates		With covariates ^b
	mean	SD	mean	SD	F	Eta Sq	F	Eta Sq
Trails A time ^a	37.3	15.7	40.6	19.2	11.8^**	.008	2.6	.002
Trails B time ^a	86.0	40.7	93.0	45.6	8.2^**	.005	1.4	.001
Symbol Digit total	45.1	11.4	41.5	12.3	26.9^***	.017	8.8^**	.006
Incidental recall	4.6	2.8	4.1	2.7	8.7^**	.006	2.3	.002
					U		OR	CI
Trails A errors	0.2	0.5	0.2	0.6	289271.0		1.0	0.8 – 1.4
Trails B errors	0.8	1.4	0.9	1.7	272324.5		0.9	0.7 – 1.1

Unadjusted means are displayed, but log transformed scores were used in the statistical comparisons

Covariates were age, years of school, WRAT-3 reading score, and race/ethnicity

^**

p < .01;

^***

p < .001