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Reliability and factor structure of the Short Problem Behaviors Assessment for Huntington's disease (PBA-s) in the TRACK-HD and REGISTRY studies.

Authors
  • Callaghan, Jenny
  • Stopford, Cheryl
  • Arran, Natalie
  • Boisse, Marie-Francoise
  • Coleman, Allison
  • Santos, Rachelle Dar
  • Dumas, Eve M
  • Hart, Ellen P
  • Justo, Damian
  • Owen, Gail
  • Read, Joy
  • Say, Miranda J
  • Durr, Alexandra
  • Leavitt, Blair R
  • Roos, Raymund A C
  • Tabrizi, Sarah J
  • Bachoud-Levi, Anne-Catherine
  • Bourdet, Catherine
  • van Duijn, Erik
  • Craufurd, David
Type
Published Article
Journal
The Journal of neuropsychiatry and clinical neurosciences
Publication Date
Jan 01, 2015
Volume
27
Issue
1
Pages
59–64
Identifiers
DOI: 10.1176/appi.neuropsych.13070169
PMID: 25716488
Source
Medline
License
Unknown

Abstract

The authors report the inter-rater reliability and factor structure of the Short Problem Behaviors Assessment (PBA-s), a semistructured interview to measure severity and frequency of behavioral problems in Huntington's disease. Video recordings of 410 PBA-s interviews were rescored by an independent rater, and Cohen's kappa calculated to assess inter-rater reliability. The mean kappa was 0.74 for severity and 0.76 for frequency scores, whereas weighted kappa (allowing scores to differ by 1 point) was 0.94 for severity and 0.92 for frequency scores. The results of factor analysis were consistent with previous studies using other measures. The authors conclude that the PBA-s is a reliable measure.

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