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Table 4 Individual (Pearson r) effects of age, education and sex on global (mean z-score) and ability domains (mean ability z-score) neuropsychological performance

From: HIV-associated neurocognitive disorders in sub-Saharan Africa: a pilot study in Cameroon

  HIV- HIV+
  Age Education Sex Age Education Sex
Mean Z-score -.57 ***;.72****; -.01 -.38 **;.55***; .14
Verbal -.41 **; .53**; -.38* -.005;.47**; .10
Executive function -.50 ***;.55***; -.18 -.22;.38*; .00
Speed information processing -.52 ***;.72****; -.03 -.33*;.47**; .08
Memory Learning -.42 ***;.49****; -.11 -.43 **;.48***; .17
Memory Recall -.41 ***;.46***; -.10 -.51 ***;.56***; .16
Working Memory -.49 ***;.65****; -.19 -.11;.10; .09
Motor function -.50 ***;.55***; .20 -.38 *;.42**; .16
  1. *P < 0.05; **P < 0.005; ***P < 0.001; **** P < 0.0001. Age and education influenced neuropsychological performance, and this was more pronounced in the control group. Gender did not have a significant effect on neuropsychological performance.