學院

醫學院

系所

職能治療學系

題名

Multidimensional Rasch validation of the frenchay activities index in stroke patients receiving rehabilitation

作者

Lin, K-C.†, Chen, H-F.†, Wu, C-Y. , Yu, T-Y., & Ouyang, P.

期刊名稱

Journal of Rehabilitation Medicine (SCI 期刊)

發表日期

2012

著作性質

原著

語文

英文

關鍵字

Activities of Daily Living; Stroke; Rehabilitation; Reliability and Validity

摘要

Objective: To validate the dimensionality, hierarchical properties, and reliability of the Frenchay Activities Index (FAI). Design. Self-report survey to patients with stroke. Patients. One hundred and twenty-seven patients provided 254 observations before and after treatments. Methods. Multidimensional Rasch model was conducted. Results. The 2-factor model showed the significantly smallest deviance and fitted the data best among 6 possible models. The 2-factor structure was stable before and after treatments, after the rating scale was revised from 4 points to 3 points. Differential item functioning relevant to the time since stroke was detected for 2 tasks. The item difficulty hierarchy of the 2 domains was determined. The correlation between the 2 domains was 0.58. The scale demonstrated acceptable ceiling and floor effects. The overall person (separation) reliability was 0.99. The reliabilities for the 2 domains were 0.81 and 0.73. Conclusions. The FAI is a useful 2-dimensional scale for evaluating daily functions in stroke patients. The item difficulty hierarchy and significant differential item functioning related to the time since stroke might reflect the changes in the recovery course after stroke. The FAI could be improved by adding items to capture patients with high and low levels of daily activities in domestic chores.