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The de Morton Mobility Index (DEMMI) provides a valid method for measuring and monitoring the mobility of patients making the transition from hospital to the community: An observational study

Citation

de Morton, NA and Brusco, NK and Wood, L and Lawler, K and Taylor, NF, The de Morton Mobility Index (DEMMI) provides a valid method for measuring and monitoring the mobility of patients making the transition from hospital to the community: An observational study, Journal of physiotherapy, 57, (2) pp. 109-116. ISSN 1836-9553 (2011) [Non Refereed Article]


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DOI: doi:10.1016/S1836-9553(11)70021-2

Abstract

Question: Is the de Morton Mobility Index (DEMMI) valid for measuring the mobility of patients making the transition from hospital to the community?

Design: Observational cohort study.

Participants: 696 consecutive patients admitted to 11 Transition Care Programs for multidisciplinary care in Victoria and Tasmania during a 6-month period. The DEMMI and Modified Barthel Index were administered within 5 working days of admission and discharge from the Transition Care Program.

Outcome measures: The DEMMI and Modified Barthel Index. Results: Neither the DEMMI nor the Modified Barthel Index had a floor or ceiling effect. Similar evidence of convergent, discriminant and known-groups validity were obtained for each instrument. The DEMMI was significantly more responsive to change than the Modified Barthel Index using criterion- and distributionbased methods. The minimum clinically important difference estimates represented similar proportions of the scale width for the DEMMI and Modified Barthel Index and were similar using criterion- and distribution-based estimates. Rasch analysis identified the DEMMI as essentially unidimensional in a Transition Care Program cohort and therefore can be applied to obtain interval level measurement. Rasch analysis demonstrated that the DEMMI was administered similarly by physiotherapists and allied health assistants under the direction of a physiotherapist.

Conclusion: The DEMMI and Modified Barthel Index are both valid measures of activity limitation for Transition Care Program patients. The DEMMI has a broader scale width, provides interval level measurement, and is significantly more responsive to change than the Modified Barthel Index for measuring the mobility of Transition Care Program patients.

Item Details

Item Type:Non Refereed Article
Keywords:measurement, older adults, mobility, physical ability, physiotherapy, family-assisted therapy, stroke
Research Division:Medical and Health Sciences
Research Group:Clinical Sciences
Research Field:Physiotherapy
Objective Division:Health
Objective Group:Health and Support Services
Objective Field:Allied Health Therapies (excl. Mental Health Services)
UTAS Author:Lawler, K (Dr Katherine Lawler)
ID Code:130470
Year Published:2011
Web of Science® Times Cited:24
Deposited By:Wicking Dementia Research and Education Centre
Deposited On:2019-01-29
Last Modified:2019-07-02
Downloads:0

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