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. Author manuscript; available in PMC: 2016 Feb 3.
Published in final edited form as: Clin Neuropsychol. 2015 Dec 21;29(7):1034–1052. doi: 10.1080/13854046.2015.1122085

Table 5.

Fisher’s Z Correlation Coefficient Comparisons

Subgroup comparisons z- value SEM p
Race/Ethnicity
 African American vs. Hispanic -0.60 0.25 0.55
 African American vs. Non-Hispanic White +0.18 0.35 0.86
 Hispanic vs. Non-Hispanic White +0.56 0.37 0.58
Years of education
 Some high school vs. high school +0.87 0.29 0.38
 Some high school vs. post high school -0.26 0.26 0.79
 High school vs. post high school -0.99 0.33 0.32
Test-Retest interval groups
 1-3 yrs vs. 3-6 yrs +0.00 0.28 1.00
 1-3 yrs vs. 6+ yrs +1.55 0.27 0.12
 3-6 yrs vs. 6+ yrs +1.48 0.28 0.14
CD4 change
 CD4 stable vs. CD4 change +0.59 0.43 0.56
HIV RNA viral load
 Viral load stable vs. viral load change +1.29 0.23 0.20
Illicit substance toxicity (n = 86)
 Tox stable vs. Tox change +0.67 0.26 0.50
sRCS scores
 Cognitively stable vs. improvement -0.28 0.34 0.78
 Cognitively stable vs. decline -0.80 0.26 0.43
 Cognitive decline vs. improvement +0.31 0.37 0.76

Note. SEM = standard error of the difference between correlations; sRCS = standard regression-based change score; N = 88.

* two tailed p > .05.