Open AccessAssessing Cognitive Functioning in People Living With HIV (PLWH): Factor Analytic Results From CHARTER and NNTC Cohorts
Author(s) -
Pamela E. May,
Abigail J. Heithoff,
Christopher Wichman,
Vaishali Phatak,
David J. Moore,
Robert K. Heaton,
Howard S. Fox
Publication year - 2020
Publication title -
journal of acquired immune deficiency syndromes
Language(s) - English
Resource type - Journals
eISSN - 1944-7884
pISSN - 1525-4135
DOI - 10.1097/qai.0000000000002252
Subject(s) - confirmatory factor analysis , psychology , neuropsychology , neuropsychological test , clinical psychology , exploratory factor analysis , cognition , context (archaeology) , psychometrics , gerontology , medicine , structural equation modeling , psychiatry , statistics , paleontology , mathematics , biology
Single summary scores, such as the Global Deficit Score, are often used to classify overall performance on neuropsychological batteries. The factor structure of test scores that underlie Global Deficit Score in studies of people living with HIV (PLWH) was assessed to determine whether individual test scores loaded onto a unitary factor to summarize performance.