Is the Parkinson Anxiety Scale comparable across raters?
Identifieur interne : 000200 ( PubMed/Checkpoint ); précédent : 000199; suivant : 000201Is the Parkinson Anxiety Scale comparable across raters?
Auteurs : Maria João Forjaz [Espagne] ; Alba Ayala ; Pablo Martinez-Martin ; Kathy Dujardin ; Gregory M. Pontone ; Sergio E. Starkstein ; Daniel Weintraub ; Albert F G. LeentjensSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2015.
Abstract
The Parkinson Anxiety Scale is a new scale developed to measure anxiety severity in Parkinson's disease specifically. It consists of three dimensions: persistent anxiety, episodic anxiety, and avoidance behavior. This study aimed to assess the measurement properties of the scale while controlling for the rater (self- vs. clinician-rated) effect. The Parkinson Anxiety Scale was administered to a cross-sectional multicenter international sample of 362 Parkinson's disease patients. Both patients and clinicians rated the patient's anxiety independently. A many-facet Rasch model design was applied to estimate and remove the rater effect. The following measurement properties were assessed: fit to the Rasch model, unidimensionality, reliability, differential item functioning, item local independency, interrater reliability (self or clinician), and scale targeting. In addition, test-retest stability, construct validity, precision, and diagnostic properties of the Parkinson Anxiety Scale were also analyzed. A good fit to the Rasch model was obtained for Parkinson Anxiety Scale dimensions A and B, after the removal of one item and rescoring of the response scale for certain items, whereas dimension C showed marginal fit. Self versus clinician rating differences were of small magnitude, with patients reporting higher anxiety levels than clinicians. The linear measure for Parkinson Anxiety Scale dimensions A and B showed good convergent construct with other anxiety measures and good diagnostic properties. Parkinson Anxiety Scale modified dimensions A and B provide valid and reliable measures of anxiety in Parkinson's disease that are comparable across raters. Further studies are needed with dimension C.
DOI: 10.1002/mds.26111
PubMed: 25546697
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Pontone</name></author><author><name sortKey="Starkstein, Sergio E" sort="Starkstein, Sergio E" uniqKey="Starkstein S" first="Sergio E" last="Starkstein">Sergio E. Starkstein</name></author><author><name sortKey="Weintraub, Daniel" sort="Weintraub, Daniel" uniqKey="Weintraub D" first="Daniel" last="Weintraub">Daniel Weintraub</name></author><author><name sortKey="Leentjens, Albert F G" sort="Leentjens, Albert F G" uniqKey="Leentjens A" first="Albert F G" last="Leentjens">Albert F G. Leentjens</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:25546697</idno><idno type="pmid">25546697</idno><idno type="doi">10.1002/mds.26111</idno><idno type="wicri:Area/PubMed/Corpus">000294</idno><idno type="wicri:Area/PubMed/Curation">000294</idno><idno type="wicri:Area/PubMed/Checkpoint">000200</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Is the Parkinson Anxiety Scale comparable across raters?</title><author><name sortKey="Forjaz, Maria Joao" sort="Forjaz, Maria Joao" uniqKey="Forjaz M" first="Maria João" last="Forjaz">Maria João Forjaz</name><affiliation wicri:level="3"><nlm:affiliation>National School of Public Health, Institute of Health Carlos III and REDISSEC, Madrid, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>National School of Public Health, Institute of Health Carlos III and REDISSEC, Madrid</wicri:regionArea><placeName><settlement type="city">Madrid</settlement><region nuts="2" type="region">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Ayala, Alba" sort="Ayala, Alba" uniqKey="Ayala A" first="Alba" last="Ayala">Alba Ayala</name></author><author><name sortKey="Martinez Martin, Pablo" sort="Martinez Martin, Pablo" uniqKey="Martinez Martin P" first="Pablo" last="Martinez-Martin">Pablo Martinez-Martin</name></author><author><name sortKey="Dujardin, Kathy" sort="Dujardin, Kathy" uniqKey="Dujardin K" first="Kathy" last="Dujardin">Kathy Dujardin</name></author><author><name sortKey="Pontone, Gregory M" sort="Pontone, Gregory M" uniqKey="Pontone G" first="Gregory M" last="Pontone">Gregory M. Pontone</name></author><author><name sortKey="Starkstein, Sergio E" sort="Starkstein, Sergio E" uniqKey="Starkstein S" first="Sergio E" last="Starkstein">Sergio E. Starkstein</name></author><author><name sortKey="Weintraub, Daniel" sort="Weintraub, Daniel" uniqKey="Weintraub D" first="Daniel" last="Weintraub">Daniel Weintraub</name></author><author><name sortKey="Leentjens, Albert F G" sort="Leentjens, Albert F G" uniqKey="Leentjens A" first="Albert F G" last="Leentjens">Albert F G. Leentjens</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="eISSN">1531-8257</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The Parkinson Anxiety Scale is a new scale developed to measure anxiety severity in Parkinson's disease specifically. It consists of three dimensions: persistent anxiety, episodic anxiety, and avoidance behavior. This study aimed to assess the measurement properties of the scale while controlling for the rater (self- vs. clinician-rated) effect. The Parkinson Anxiety Scale was administered to a cross-sectional multicenter international sample of 362 Parkinson's disease patients. Both patients and clinicians rated the patient's anxiety independently. A many-facet Rasch model design was applied to estimate and remove the rater effect. The following measurement properties were assessed: fit to the Rasch model, unidimensionality, reliability, differential item functioning, item local independency, interrater reliability (self or clinician), and scale targeting. In addition, test-retest stability, construct validity, precision, and diagnostic properties of the Parkinson Anxiety Scale were also analyzed. A good fit to the Rasch model was obtained for Parkinson Anxiety Scale dimensions A and B, after the removal of one item and rescoring of the response scale for certain items, whereas dimension C showed marginal fit. Self versus clinician rating differences were of small magnitude, with patients reporting higher anxiety levels than clinicians. The linear measure for Parkinson Anxiety Scale dimensions A and B showed good convergent construct with other anxiety measures and good diagnostic properties. Parkinson Anxiety Scale modified dimensions A and B provide valid and reliable measures of anxiety in Parkinson's disease that are comparable across raters. Further studies are needed with dimension C.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="In-Process"><PMID Version="1">25546697</PMID><DateCreated><Year>2015</Year><Month>04</Month><Day>07</Day></DateCreated><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1531-8257</ISSN><JournalIssue CitedMedium="Internet"><Volume>30</Volume><Issue>4</Issue><PubDate><Year>2015</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Movement disorders : official journal of the Movement Disorder Society</Title><ISOAbbreviation>Mov. Disord.</ISOAbbreviation></Journal><ArticleTitle>Is the Parkinson Anxiety Scale comparable across raters?</ArticleTitle><Pagination><MedlinePgn>545-51</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/mds.26111</ELocationID><Abstract><AbstractText>The Parkinson Anxiety Scale is a new scale developed to measure anxiety severity in Parkinson's disease specifically. It consists of three dimensions: persistent anxiety, episodic anxiety, and avoidance behavior. This study aimed to assess the measurement properties of the scale while controlling for the rater (self- vs. clinician-rated) effect. The Parkinson Anxiety Scale was administered to a cross-sectional multicenter international sample of 362 Parkinson's disease patients. Both patients and clinicians rated the patient's anxiety independently. A many-facet Rasch model design was applied to estimate and remove the rater effect. The following measurement properties were assessed: fit to the Rasch model, unidimensionality, reliability, differential item functioning, item local independency, interrater reliability (self or clinician), and scale targeting. In addition, test-retest stability, construct validity, precision, and diagnostic properties of the Parkinson Anxiety Scale were also analyzed. A good fit to the Rasch model was obtained for Parkinson Anxiety Scale dimensions A and B, after the removal of one item and rescoring of the response scale for certain items, whereas dimension C showed marginal fit. Self versus clinician rating differences were of small magnitude, with patients reporting higher anxiety levels than clinicians. The linear measure for Parkinson Anxiety Scale dimensions A and B showed good convergent construct with other anxiety measures and good diagnostic properties. Parkinson Anxiety Scale modified dimensions A and B provide valid and reliable measures of anxiety in Parkinson's disease that are comparable across raters. Further studies are needed with dimension C.</AbstractText><CopyrightInformation>© 2014 International Parkinson and Movement Disorder Society.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Forjaz</LastName><ForeName>Maria João</ForeName><Initials>MJ</Initials><AffiliationInfo><Affiliation>National School of Public Health, Institute of Health Carlos III and REDISSEC, Madrid, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ayala</LastName><ForeName>Alba</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Martinez-Martin</LastName><ForeName>Pablo</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Dujardin</LastName><ForeName>Kathy</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Pontone</LastName><ForeName>Gregory M</ForeName><Initials>GM</Initials></Author><Author ValidYN="Y"><LastName>Starkstein</LastName><ForeName>Sergio E</ForeName><Initials>SE</Initials></Author><Author ValidYN="Y"><LastName>Weintraub</LastName><ForeName>Daniel</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Leentjens</LastName><ForeName>Albert F G</ForeName><Initials>AF</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>12</Month><Day>27</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Mov Disord</MedlineTA><NlmUniqueID>8610688</NlmUniqueID><ISSNLinking>0885-3185</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Parkinson's disease</Keyword><Keyword MajorTopicYN="N">Rasch analysis</Keyword><Keyword MajorTopicYN="N">anxiety</Keyword><Keyword MajorTopicYN="N">rater</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>5</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2014</Year><Month>10</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>11</Month><Day>3</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2014</Year><Month>12</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>12</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>12</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>12</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25546697</ArticleId><ArticleId IdType="doi">10.1002/mds.26111</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Espagne</li></country><region><li>Communauté de Madrid</li></region><settlement><li>Madrid</li></settlement></list><tree><noCountry><name sortKey="Ayala, Alba" sort="Ayala, Alba" uniqKey="Ayala A" first="Alba" last="Ayala">Alba Ayala</name><name sortKey="Dujardin, Kathy" sort="Dujardin, Kathy" uniqKey="Dujardin K" first="Kathy" last="Dujardin">Kathy Dujardin</name><name sortKey="Leentjens, Albert F G" sort="Leentjens, Albert F G" uniqKey="Leentjens A" first="Albert F G" last="Leentjens">Albert F G. Leentjens</name><name sortKey="Martinez Martin, Pablo" sort="Martinez Martin, Pablo" uniqKey="Martinez Martin P" first="Pablo" last="Martinez-Martin">Pablo Martinez-Martin</name><name sortKey="Pontone, Gregory M" sort="Pontone, Gregory M" uniqKey="Pontone G" first="Gregory M" last="Pontone">Gregory M. Pontone</name><name sortKey="Starkstein, Sergio E" sort="Starkstein, Sergio E" uniqKey="Starkstein S" first="Sergio E" last="Starkstein">Sergio E. Starkstein</name><name sortKey="Weintraub, Daniel" sort="Weintraub, Daniel" uniqKey="Weintraub D" first="Daniel" last="Weintraub">Daniel Weintraub</name></noCountry><country name="Espagne"><region name="Communauté de Madrid"><name sortKey="Forjaz, Maria Joao" sort="Forjaz, Maria Joao" uniqKey="Forjaz M" first="Maria João" last="Forjaz">Maria João Forjaz</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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