Application of the Korean version of the Modified Barthel Index: Development of a keyform for use in clinical practice

Ickpyo Hong, Yoonjeong Lim, Hyun Suk Han, Catherine Cooper Hay, Hee Soon Woo

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objective To demonstrate the clinical application of the Korean version of the Modified Barthel Index (K-MBI) using Rasch analysis. Methods A total of 276 patients with neurological disorders were assessed with the K-MBI in outpatient clinics. The Rasch partial-credit model was used to generate a keyform based on investigating the psychometric properties of the K-MBI, including dimensionality, precision (person strata and reliability), and hierarchical item difficulty. The Minimal Detectable Change (MDC) in item difficulty was used to establish right-challenging treatment goals and long-term treatment plans. Results The findings demonstrated that the Korean version of the MBI satisfied the assumption of unidimensionality. It also showed a hierarchical structure in terms of item difficulty, good reliability (Cronbach alpha, 0.92), and approximately five distinct person strata (4.6). The MDC (raw score, 20.1) of the item difficulty of the test items demonstrated equivalent cut-off scores for targeted short-term treatment goals on the keyform, a Rasch-derived display of patient responses. Long-term treatment goals were identified based on the test items of the keyform. Conclusions The findings suggest that a Rasch keyform can be applied to clinical practice in Korean settings by identifying clinically and statistically meaningful test items and their step thresholds as short- and long-term goals.

Original languageEnglish (US)
Pages (from-to)39-46
Number of pages8
JournalHong Kong Journal of Occupational Therapy
Volume29
DOIs
StatePublished - Jun 1 2017

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Therapeutics
Ambulatory Care Facilities
Nervous System Diseases
Psychometrics

Keywords

  • Keyform
  • Modified Barthel Index
  • Outcome measure (health care)
  • Psychometrics
  • Rasch analysis
  • Translational research

ASJC Scopus subject areas

  • Occupational Therapy

Cite this

Application of the Korean version of the Modified Barthel Index : Development of a keyform for use in clinical practice. / Hong, Ickpyo; Lim, Yoonjeong; Han, Hyun Suk; Hay, Catherine Cooper; Woo, Hee Soon.

In: Hong Kong Journal of Occupational Therapy, Vol. 29, 01.06.2017, p. 39-46.

Research output: Contribution to journalArticle

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