{"id":4657,"date":"2020-10-30T18:41:43","date_gmt":"2020-10-30T22:41:43","guid":{"rendered":"https:\/\/ccna-ccnv.ca\/ccna_publication\/dual-task-gait-speed-assessments-with-an-electronic-walkway-and-a-stopwatch-in-older-adults-a-reliability-study-2\/"},"modified":"2025-03-05T12:54:25","modified_gmt":"2025-03-05T17:54:25","slug":"dual-task-gait-speed-assessments-with-an-electronic-walkway-and-a-stopwatch-in-older-adults-a-reliability-study-2","status":"publish","type":"ccna_publication","link":"https:\/\/ccna-ccnv.ca\/fr\/ccna_publication\/dual-task-gait-speed-assessments-with-an-electronic-walkway-and-a-stopwatch-in-older-adults-a-reliability-study-2\/","title":{"rendered":"Dual-task gait speed assessments with an electronic walkway and a stopwatch in older adults. A reliability study"},"content":{"rendered":"

This is CCNA’s 300th scientific publication, and the 2nd using COMPASS-ND data<\/span><\/h2>\n

Abstract<\/h2>\n
\n

Background\/objectives<\/h3>\n

Slow gait speed prospectively predicts elevated risk of adverse events such as falls, morbidity, and mortality. Additionally, gait speed under a cognitively demanding challenge (dual-task gait) predicts further cognitive decline and dementia incidence. This evidence has been mostly collected using electronic walkways; however, not all clinical set ups have an electronic walkway and comparability with simple manual dual-gait speed testing, like a stopwatch, has not yet been examined. Our main objective was to assess concurrent-validity and reliability of gait speed assessments during dual-tasking using a stopwatch and electronic walkway in older adults with mild and subjective cognitive impairment (MCI and SCI).<\/p>\n<\/div>\n

\n

Design<\/h3>\n

Cross-sectional, reliability study.<\/p>\n<\/div>\n

\n

Setting<\/h3>\n

Clinic based laboratory at an academic hospital in London, ON, Canada.<\/p>\n<\/div>\n

\n

Participants<\/h3>\n

237 walk tests from 34 community-dwelling participants (mean age 71.84 SD 5.38; 21 female – 62%, 13 male – 38%) with SCI and MCI. were included from the Comprehensive Assessment of Neurodegeneration and Dementia (COMPASS-ND) study.<\/p>\n<\/div>\n

\n

Intervention<\/h3>\n

Each participant performed seven walk tests: three single gait walks at their normal pace, three dual-task walks (walking and counting backwards by one, by sevens, and naming animals), and one fast walk.<\/p>\n<\/div>\n

\n

Measurements<\/h3>\n

Gait speed (cm\/s) for each walk was measured simultaneously with an electronic walkway (Zeno Mat\u00ae) and a handheld stopwatch (Ultrak chronometer\u00ae). Dual-task cost (DTC) was calculated for the three individual dual-task walks as [((single gait speed\u00a0\u2212\u00a0dual-task gait speed)\u00a0\/\u00a0single gait speed)\u00a0\u2217\u00a0100]. Level of agreement between the two measurement methods was analyzed using Pearson correlations, paired\u00a0t<\/em>-tests, and Bland-Altman plots.<\/p>\n<\/div>\n

\n

Results<\/h3>\n

Gait speed was consistently lower when measured with the stopwatch than with the electronic walkway (mean speed difference: 10.6\u00a0cm\/s\u00a0\u00b1\u00a05.1, p\u00a0<\u00a00.001). Calculating DTC, however, yielded very similar results with both methods (mean DTC difference: 0.19\u00a0\u00b1\u00a01.18, p\u00a0=\u00a00.872). The higher the DTC, the closer the measurement between methods.<\/p>\n<\/div>\n

\n

Conclusion<\/h3>\n

Assessing and calculating DTC with a stopwatch is simple, accessible and reliable. Its validity and reliability were high in this clinical sample of community older adults with SCI and MCI.<\/p>\n<\/div>\n","protected":false},"author":19,"featured_media":0,"template":"","meta":{"_acf_changed":false},"studies-relation":[51],"class_list":["post-4657","ccna_publication","type-ccna_publication","status-publish","hentry","studies-relation-compass-nd-fr"],"acf":[],"yoast_head":"\nDual-task gait speed assessments with an electronic walkway and a stopwatch in older adults. 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