Validity, test-retest reliability, sensitivity to change and feasibility of motor-cognitive dual task assessments in patients with dementia
Objective: To investigate validity, test-retest reliability, sensitivity to change, and feasibility of dual task (DT) assessments in patients with dementia. - Design - Validation study. - Setting - Post ward-rehabilitation. - Participants - Geriatric patients (n=105) with dementia (age 82.7±5.9, MMS...
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| Main Authors: | , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
30 January 2017
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| In: |
Archives of gerontology and geriatrics
Year: 2017, Volume: 70, Pages: 169-179 |
| ISSN: | 1872-6976 |
| DOI: | 10.1016/j.archger.2017.01.016 |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.1016/j.archger.2017.01.016 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S016749431730081X 
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| Author Notes: | Nele C. Lemke, Stefanie Wiloth, Christian Werner, Klaus Hauer |
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| 245 | 1 | 0 | |a Validity, test-retest reliability, sensitivity to change and feasibility of motor-cognitive dual task assessments in patients with dementia |c Nele C. Lemke, Stefanie Wiloth, Christian Werner, Klaus Hauer |
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| 520 | |a Objective: To investigate validity, test-retest reliability, sensitivity to change, and feasibility of dual task (DT) assessments in patients with dementia. - Design - Validation study. - Setting - Post ward-rehabilitation. - Participants - Geriatric patients (n=105) with dementia (age 82.7±5.9, MMSE score 21.9). - Main outcome measures - Psychometric quality of DT performance of different DT-tests. Analyses were performed for motor and cognitive performance, and relative DT costs (DTCs). - Results - Spearman’s rank correlations (rs) between examined DT-tests were moderate-high for motor tasks (rs=0.29-0.90), small-high for cognitive tasks (rs=0.12-0.55) and small-high for relative DTCs (motor DTCs rs=0.02-0.61, cognitive DTCs rs=−0.19 to 0.06, combined DTCs rs=−0.11 to 0.31). Correlations with external assessment were moderate-high for motor tasks (rs=0.25-0.84), small-moderate for cognitive tasks (rs=−0.10 to 0.46) and small-moderate for relative DTCs (motor DTCs rs=−0.09 to 0.17, cognitive DTCs rs=−0.03 to 0.21, combined DTCs rs=−0.07 to 0.26). Test-retest reliability was excellent for motor tasks (ICC=0.75-0.96), fair-excellent for cognitive tasks (ICC=0.51-0.88) and poor-good for relative DTCs (motor DTCs ICC=0.10-0.74, cognitive DTCs ICC=0.05-0.65, combined DTCs ICC=0.15-0.71). Sensitivity to change was acceptable-excellent for trained DT-tests (p≤0.01). Effect sizes were small-large for gait parameters (SRM=0.30-1.12), large for cognitive tasks (SRM=0.82-0.95) and small-large for relative DTCs (motor DTCs SRM=0.15-0.77, cognitive DTCs SRM=0.56-0.98, combined DTCs SRM=0.40-1.10). Completion time ranged from 13.1 to 16.9min. - Conclusions - All DT-tests showed acceptable-excellent psychometric properties in patients with dementia with highest quality for the gait-based tests ‘Walking & Counting’ and ‘Walking & reciting ABC’. | ||
| 650 | 4 | |a Assessment validation | |
| 650 | 4 | |a Cognition | |
| 650 | 4 | |a Dementia | |
| 650 | 4 | |a Dual task | |
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