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Validation of a Motor-Cognitive Assessment for a Stepping Exergame in Older Adults: Use of Game-Specific, Internal Data Stream
- Journal Article
Objective: To comprehensively validate an assessment tailored to an exergaming training program with motor-cognitive challenges. Materials and Methods: Fifty-eight cognitively intact, multimorbid, independently living older adults (mean age [standard deviation]: 78.3 [6.5] years) with moderate functional limitations participated in the study. For construct validity, Spearman's rank correlations (r(s)) between game parameters and established cognitive (Number-Connection-Test [Zahlen-Verbindungs-Test], Simple Response Time Task, Simon Task) and motor (Short Physical Performance Battery, Physiomat (R) balance tests) measures were calculated. Test-retest reliability was documented by intraclass correlation coefficients (ICCs), sensitivity to change by effect sizes using partial eta squared (eta(2)(p)), and feasibility by mean completion time and completion rates. Results: Good construct validity of the assessment was observed, with on average moderate-to-high correlations between game parameters and cognitive tests, measures of lower extremity function and dynamic balance (range of r(s) including extreme outliers = 0.00-0.70, P < 0.001-0.998). Test-retest reliability was good, with ICCs mostly ranging from moderate to high (ICCs = 0.37-0.93, P < 0.001-0.130), and sensitivity to change was excellent (eta(2)(p) = 0.16-0.81, P < 0.001-0.044). Completion rates for the initial challenge levels were 100%, mean completion time 36.3 minutes, and no clinical events or safety problems were observed. Conclusion: Study results documented on average good validity, test-retest reliability and feasibility, with an extraordinary high responsiveness of the presented game-based assessment in older adults with moderate functional limitations. The innovative, data-based assessment validated in this study may serve as a blueprint for future, tailored assessments for exergaming. Show more
Journal / seriesGames for Health Journal
Pages / Article No.
PublisherMARY ANN LIEBERT, INC
SubjectExergame; Motor-cognitive assessment; Postural balance; Sensitivity to change; Validation
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