A study of psychometric properties of modified rivermead mobility index.
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Date
2011-07
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Abstract
Background : To evaluate the effect treatment on mobility various studies have used. But responsiveness of Rivermaid mobility Index has found to be poor as items are scored on a dichotomous (yes/no) basis. MRMI is a modified version of RMI to increase the responsiveness of the measure which is not studied in depth by many studies. Objective: The objective of this study was to investigate in detail interrater reliability ,validity & responsivenss of Modified Rivermaid Mobility Index. Methodology : Patients fulfilling the inclusion criteria were assessed with the help of RMI , MRMI & STREAM at three different occasions i.e. on15th,30th& 90thday to study validity & responsiveness. For studying interrater reliability three measures were assessed by two physical therapists blinded to the results of each other. Results: The 3 mobility measures were highly responsive in detecting changes before 90 days after stroke onset (14 to 30 days, SRM BORDER="0">1.14; 30 to 90 days, SRM0.83;) The medians of the weighted statistic for each item of RMI, MRMI, and STREAM were 0.81 (range, 0.37 to 0.94), 0.83(range, 0.47 to 0.9), and 0.89 (range, 0.55 to 0.89), respectively, indicating generally acceptable interrater agreement on the item level. Conclusion: It is concluded that MRMI is a valid ,reliable & sensitive measure as compared to RMI.
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modified Rivermaid mobility index, responsiveness, interrater reliability, Validity
Citation
Ganvir Suvarna. A study of psychometric properties of modified rivermead mobility index. National Journal of Integrated Research in Medicine. 2011 Jul-Sept; 2(3): 56-60.