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Cognitive-motor interference in walking after stroke: test–retest reliability and validity of dual-task walking assessments
Objective: To explore the reliability and validity of a series of dual-task mobility assessments among individuals post-stroke. Design: Observational study with repeated measures. Setting: University laboratory. Participants: Thirty community-dwelling individuals with chronic stroke. Interventions:...
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Published in: | Clinical rehabilitation 2019-06, Vol.33 (6), p.1066-1078 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Objective:
To explore the reliability and validity of a series of dual-task mobility assessments among individuals post-stroke.
Design:
Observational study with repeated measures.
Setting:
University laboratory.
Participants:
Thirty community-dwelling individuals with chronic stroke.
Interventions:
Not applicable.
Main Measures:
Each of the two mobility tasks (1-minute level-ground walking with and without obstacle-negotiation) was performed concurrently with each of the eight cognitive tasks (auditory Stroop test, serial subtraction, shopping list recall and category naming at two difficulty levels). Walking distance and obstacle hitting rate (OHR) indicated dual-task mobility performance. Number of correct responses (NCR) indicated cognitive performance. Reaction time was additionally measured for the auditory Stroop test. Construct validity was examined by correlations between the dual-task assessments. The dual-task assessments were repeated within 7–14 days for test–retest reliability.
Results:
Excellent test–retest reliability in walking distance and OHR was found (intraclass correlation coefficient, ICC(3,1) = 0.891–0.984, P |
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ISSN: | 0269-2155 1477-0873 |
DOI: | 10.1177/0269215519828146 |