Repeatable Battery for Assessment of Neuropsychological Status in Early Parkinson's Disease
Identifieur interne : 002498 ( Main/Exploration ); précédent : 002497; suivant : 002499Repeatable Battery for Assessment of Neuropsychological Status in Early Parkinson's Disease
Auteurs : CHENGWU YANG [États-Unis] ; Elizabeth Garrett-Mayer [États-Unis] ; Jay S. Schneider [États-Unis] ; Stephen M. Gollomp [États-Unis] ; Barbara C. Tilley [États-Unis]Source :
- Movement disorders [ 0885-3185 ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
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Abstract
Adequate reliability and valid factor structure are prerequisites for appropriate use of a measure in a population. Although the Repeatable Battery for Assessment of Neuropsychological Status (RBANS) has been used to examine cognition in Parkinson's disease (PD), its reliability and factor structure have not been examined in this population. This study examined the reliability and factor structure of the RBANS in participants with de novo PD recruited for two NIH Exploratory Trials in Parkinson's Disease (NET-PD), using Cronbach's α and factor analysis. Confirmatory factor analysis (CFA) was implemented on the factor structure proposed in the RBANS manual, and exploratory factor analysis (EFA) was conducted to identify a valid factor structure given the proposed one was not supported. The RBANS exhibited poor reliability in participants with NET-PD. Cronbach's α ranged from 0.03 to 0.74 for the five domains and the full scale. CFA results indicated that the proposed factor structure in the RBANS manual was not supported in this sample. EFA identified a two-factor structure for six of the 12 RBANS items. Six items were eliminated due to low correlation with other items or severe ceiling effects. This new factor structure was validated by another CFA. The two domains have fair reliability. Cronbach's α ranged from 0.65 to 0.74 for the two factors in the two datasets. These results suggest that the current RBANS domain and total scores may not provide valid measurement of the neuropsychological status for patients with early PD.
Affiliations:
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Gollomp</name><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University</s1><s2>Philadelphia, Pennsylvania</s2><s3>USA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Pennsylvanie</region></placeName></affiliation><affiliation wicri:level="2"><inist:fA14 i1="04"><s1>Lankenau Hospital</s1><s2>Wynnewood, Pennsylvania</s2><s3>USA</s3><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Tilley, Barbara C" sort="Tilley, Barbara C" uniqKey="Tilley B" first="Barbara C." last="Tilley">Barbara C. Tilley</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Biostatistics, Bioinformatics, and Epidemiology, Medical University of South Carolina</s1><s2>Charleston, South Carolina</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Caroline du Sud</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Movement disorders</title><title level="j" type="abbreviated">Mov. disord.</title><idno type="ISSN">0885-3185</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Movement disorders</title><title level="j" type="abbreviated">Mov. disord.</title><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Confirmatory factor analysis</term><term>Factor analysis</term><term>Nervous system diseases</term><term>Parkinson disease</term><term>Psychometrics</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Maladie de Parkinson</term><term>Pathologie du système nerveux</term><term>Analyse factorielle confirmatoire</term><term>Analyse factorielle</term><term>Psychométrie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Adequate reliability and valid factor structure are prerequisites for appropriate use of a measure in a population. Although the Repeatable Battery for Assessment of Neuropsychological Status (RBANS) has been used to examine cognition in Parkinson's disease (PD), its reliability and factor structure have not been examined in this population. This study examined the reliability and factor structure of the RBANS in participants with de novo PD recruited for two NIH Exploratory Trials in Parkinson's Disease (NET-PD), using Cronbach's α and factor analysis. Confirmatory factor analysis (CFA) was implemented on the factor structure proposed in the RBANS manual, and exploratory factor analysis (EFA) was conducted to identify a valid factor structure given the proposed one was not supported. The RBANS exhibited poor reliability in participants with NET-PD. Cronbach's α ranged from 0.03 to 0.74 for the five domains and the full scale. CFA results indicated that the proposed factor structure in the RBANS manual was not supported in this sample. EFA identified a two-factor structure for six of the 12 RBANS items. Six items were eliminated due to low correlation with other items or severe ceiling effects. This new factor structure was validated by another CFA. The two domains have fair reliability. Cronbach's α ranged from 0.65 to 0.74 for the two factors in the two datasets. These results suggest that the current RBANS domain and total scores may not provide valid measurement of the neuropsychological status for patients with early PD.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Caroline du Sud</li><li>Pennsylvanie</li></region></list><tree><country name="États-Unis"><region name="Caroline du Sud"><name sortKey="Chengwu Yang" sort="Chengwu Yang" uniqKey="Chengwu Yang" last="Chengwu Yang">CHENGWU YANG</name></region><name sortKey="Garrett Mayer, Elizabeth" sort="Garrett Mayer, Elizabeth" uniqKey="Garrett Mayer E" first="Elizabeth" last="Garrett-Mayer">Elizabeth Garrett-Mayer</name><name sortKey="Garrett Mayer, Elizabeth" sort="Garrett Mayer, Elizabeth" uniqKey="Garrett Mayer E" first="Elizabeth" last="Garrett-Mayer">Elizabeth Garrett-Mayer</name><name sortKey="Gollomp, Stephen M" sort="Gollomp, Stephen M" uniqKey="Gollomp S" first="Stephen M." last="Gollomp">Stephen M. Gollomp</name><name sortKey="Gollomp, Stephen M" sort="Gollomp, Stephen M" uniqKey="Gollomp S" first="Stephen M." last="Gollomp">Stephen M. Gollomp</name><name sortKey="Schneider, Jay S" sort="Schneider, Jay S" uniqKey="Schneider J" first="Jay S." last="Schneider">Jay S. Schneider</name><name sortKey="Tilley, Barbara C" sort="Tilley, Barbara C" uniqKey="Tilley B" first="Barbara C." last="Tilley">Barbara C. Tilley</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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