Validation and Establishment of an Interval-Level Measure of the Balance Assessment in Sitting and Standing Positions in Patients With Stroke

Chien Yu Huang, Chen Yi Song, Kuan Lin Chen, Yi Miau Chen, Wen Shian Lu, I. Ping Hsueh, Ching Lin Hsieh

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Objective To validate the psychometric properties of the Balance Assessment in Sitting and Standing Positions, including validity (unidimensionality and concurrent validity), reliability (Rasch reliability), and responsiveness (compared with the Postural Assessment Scale for Stroke Patients [PASS]) and to transform the Balance Assessment in Sitting and Standing Positions from an ordinal-level measure into an interval-level measure. Design Retrospective cross-sectional study. Setting Medical records from a medical center. Participants Patients with stroke (N=1193). Interventions Not applicable. Main Outcome Measures The 4-item Balance Assessment in Sitting and Standing Positions was used, assessing static sitting balance, dynamic sitting balance, static standing balance, and dynamic standing balance. Results Data of 1193 patients with stroke were included for Rasch analysis. The 4 items of the Balance Assessment in Sitting and Standing Positions constituted a unidimensional construct (infit/outfit mean square,.75–1.05), had good concurrent validity (r=.70–.90), and had sufficient Rasch reliability (.93). The Balance Assessment in Sitting and Standing Positions had large responsiveness (effect size, 1.20; standardized response mean, 1.51) and was comparable with the PASS (effect size,.90; standardized response mean, 1.32). Conclusions The Balance Assessment in Sitting and Standing Positions has sound psychometric properties. The transformed-Rasch scores of the Balance Assessment in Sitting and Standing Positions can be used to identify patients’ balance function and detect patients’ changes.

Original languageEnglish
Pages (from-to)938-946
Number of pages9
JournalArchives of Physical Medicine and Rehabilitation
Volume97
Issue number6
DOIs
Publication statusPublished - 2016 Jun 1

All Science Journal Classification (ASJC) codes

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

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