Psychometrics of the Physical Resilience Scale in Older Adults Living with Dementia: Proxy Responses

Barbara Resnick, Marie Boltz, Elizabeth Galik, Ashley Kuzmik, Jeanette Ellis, Chris Wells

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Objectives: The purpose of this study was to determine if proxies can complete the Physical Resilience Scale for older adults living with dementia. Methods: This was a descriptive study using Rasch analysis and baseline data from the Function Focused Care for Acute Care Using the Evidence Integration Triangle trial. The first 240 patients living with dementia were included in this analysis. Results: There was evidence of reliability based on person and item separation index. There was no evidence of Differential Item Functioning (DIF) between genders and a DIF by race on Item 7. Validity was supported based on items fitting the model with the exception of one item, and a significant relationship between physical resilience and pain and function. Discussion: There is some evidence that the Physical Resilience Scale is reliable and valid when completed by proxy reports. Future use should remove one of the items due to redundancy.

Original languageEnglish (US)
Pages (from-to)325-334
Number of pages10
JournalJournal of Aging and Health
Volume35
Issue number5-6
DOIs
StatePublished - Jun 2023

All Science Journal Classification (ASJC) codes

  • Health(social science)
  • Sociology and Political Science
  • Life-span and Life-course Studies

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