Examining the factor structure of the Multiple Sclerosis Impact Scale

Shawn M. Fitzgerald, Jian Li, Phillip D. Rumrill, William Merchant, Malachy Bishop

Research output: Contribution to journalArticlepeer-review

Abstract

The purpose of this study was to investigate the factor structure of the Multiple Sclerosis Impact Scale (MSIS-29) to assess its suitability for modeling the impact of MS on a nation-wide sample of individuals from the United States. Investigators completed a Confirmatory Factor Analysis (CFA) to examine the two-factor structure proposed by Hobart et al. [17]. Although the original MSIS-29 factor structure did not fit the data exactly, the hypothesized two-factor model was partially supported in the current data. Implications for future instrument development and rehabilitation practice are discussed.

Original languageEnglish
Pages (from-to)523-538
Number of pages16
JournalWork
Volume49
Issue number3
DOIs
StatePublished - 2014

Bibliographical note

Publisher Copyright:
© 2014 - IOS Press and the authors. All rights reserved.

Keywords

  • Confirmatory Factor Analysis (CFA)
  • Multiple Sclerosis Impact Scale (MSIS-29)
  • Multiple sclerosis
  • health outcome measurement
  • psychometric methods

ASJC Scopus subject areas

  • Rehabilitation
  • Public Health, Environmental and Occupational Health

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