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Published on: July 24, 2013
Predictive validity of demographically adjusted normative standards for the HIV Dementia Scale
Erin E Morgan1, Steven Paul Woods, J Cobb Scott
1Joint Doctoral Program in Clinical Psychology, San Diego State University and University of California San Diego, San Diego, CA 92103, USA.
Abstract:
The aim of the current study was to develop and validate demographically adjusted normative standards for the HIV Dementia Scale (HDS). Given the association between demographic variables and the HDS summary score, demographically adjusted normative standards may enhance the classification accuracy of the HDS. Demographically adjusted normative standards were derived from a sample of 182 seronegative healthy participants and were subsequently applied to a sample of 135 HIV-1 seropositive individuals with multidisciplinary case conference diagnoses of HIV-1-associated neurocognitive disorders (e.g., HIV-1-associated dementia and minor-cognitive/motor disorder) in proportions consistent with published epidemiologic reports. In the normative sample, age and education (and their interaction) emerged as the only demographic factors significantly associated with the HDS. In comparison to the traditional HDS cut score (raw score total
