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Concurrent and construct validity of scores on the Timed Movement Battery
G L Creel1, K E Light, M T Thigpen
1Department of Physical Therapy, College of Health Professions, University of Florida, PO Box 100154, Gainesville, FL 32610, USA. gcreel@hp.ufl.edu
Physical Therapy
|February 15, 2001
Summary
The Timed Movement Battery (TMB) effectively measures mobility in older adults. This study validates the TMB as a reliable tool for assessing the functional mobility of elderly individuals with varying daily living activity levels.
Area of Science:
- Gerontology
- Rehabilitation Science
- Biomedical Engineering
Background:
- Mobility is crucial for independent living in the elderly.
- Existing assessments may not fully capture nuanced mobility changes.
- The Timed Movement Battery (TMB) was developed to address this gap.
Purpose of the Study:
- To evaluate the concurrent and construct validity of the TMB.
- To assess the TMB's ability to measure mobility in older adults.
- To determine if TMB scores correlate with established measures and daily living activities.
Main Methods:
- 30 community-dwelling elderly individuals (mean age 77.5) participated.
- Participants completed ADL/IADL questionnaires and mobility assessments (Berg Balance Scale, Timed Up & Go, TMB).
- TMB was administered at self-selected and maximum-movement speeds; scores were correlated with criterion tests.
Main Results:
- TMB scores at self-selected speeds showed high correlations with criterion mobility and ADL measures.
- The TMB successfully differentiated between elderly individuals with and without reported ADL difficulties.
- Strong concurrent and construct validity were demonstrated for the TMB.
Conclusions:
- The TMB is a valid and reliable tool for assessing mobility in older adults.
- Findings support the TMB's utility for evaluating functional mobility in elderly populations.
- The TMB can aid in identifying mobility limitations relevant to daily functioning.