Psychometric testing of the life changes in epilepsy scale

Wendy R. Miller, Michael Weaver, Girogos Bakoyannis, Bakas Tamilyn, Janice Buelow, Dragos Sabau

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Purpose: Three aims were addressed: (a) Evaluate properties of the items comprising the Life Changes in Epilepsy Scale-Pilot (LCES-P), (b) use item analysis to optimize the scale, (c) evaluate construct and criterion-related validity of the optimized LCES. Methods: The LCES-P was administered to 174 adults with epilepsy. Item analysis and exploratory factor analysis were performed. Internal consistency reliability, construct validity, and criterion-related validity were evaluated. Results: 17 items were retained in the optimized LCES. Internal consistency reliability was supported. Path analysis was used to evaluate construct validity. Criterion-related validity was supported by correlations with the Medical Outcomes SF-36 Survey (SF-36) General Health subscale and a criterion variable. Conclusions: The optimized version of the LCES can serve as a valuable outcome measure in clinical and research environments.

Original languageEnglish (US)
Pages (from-to)41-55
Number of pages15
JournalJournal of Nursing Measurement
Volume25
Issue number1
DOIs
StatePublished - Jan 1 2017

Keywords

  • Epilepsy
  • Psychometrics
  • Quality of life
  • Tool development

ASJC Scopus subject areas

  • Nursing(all)

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