{"id":4954,"date":"2022-03-22T20:19:03","date_gmt":"2022-03-23T00:19:03","guid":{"rendered":"https:\/\/ccna-ccnv.ca\/ccna_publication\/dual-task-gait-and-mild-behavioral-impairment-the-interface-between-non-cognitive-dementia-markers-2\/"},"modified":"2024-12-03T14:58:08","modified_gmt":"2024-12-03T19:58:08","slug":"dual-task-gait-and-mild-behavioral-impairment-the-interface-between-non-cognitive-dementia-markers-2","status":"publish","type":"ccna_publication","link":"https:\/\/ccna-ccnv.ca\/fr\/ccna_publication\/dual-task-gait-and-mild-behavioral-impairment-the-interface-between-non-cognitive-dementia-markers-2\/","title":{"rendered":"Dual-task gait and mild behavioral impairment: The interface between non-cognitive dementia markers"},"content":{"rendered":"<h2 class=\"title\">Abstract<\/h2>\n<div id=\"enc-abstract\" class=\"abstract-content selected\">\n<p><strong class=\"sub-title\">Background:\u00a0<\/strong>Mild behavioral impairment (MBI) and dual-task gait cost (DTGC) are two non-cognitive markers of dementia that capture behavioral and motor symptoms. We investigated the relationship between MBI and DTGC in a sample of non-demented older adults.<\/p>\n<p><strong class=\"sub-title\">Methods:\u00a0<\/strong>This was a cross-sectional observational study of 193 participants (10 cognitively normal, 48 subjective cognitive decline (SCD), 135 mild cognitive impairment (MCI); 52.8% female) from 13 Canadian sites from the Comprehensive Assessment of Neurodegeneration and Dementia (COMPASS-ND) study. The Neuropsychiatric Inventory Questionnaire (NPI-Q) was used to define MBI severity using a published algorithm. DTGC, the percentage difference between dual-task and preferred walking speeds, was assessed under three cognitive tasks: animal naming, counting backwards, and serial seven subtractions. Associations were tested in the entire cohort and in the MCI subgroup using multivariable linear regression adjusted for age, sex, education, and diagnosis. The role of global cognition, executive function, verbal and working memory in the association were investigated using tests of mediation and moderation.<\/p>\n<p><strong class=\"sub-title\">Results:\u00a0<\/strong>MBI symptoms were present in 46.6% of participants (mean age = 72.4 years). Greater overall MBI burden was associated with lower gait speed across all conditions. Furthermore, a one-point increase in global MBI symptom severity was associated with a 0.8% increase in DTGC in the animal fluency condition, a 0.9% increase in the counting backwards condition and a 1.1% increase in the serial sevens condition. These associations were strongest in the subgroup of MCI participants. Executive function but not global cognition or verbal and working memory mediated the association between MBI and DTGC in all three conditions.<\/p>\n<p><strong class=\"sub-title\">Conclusions:\u00a0<\/strong>MBI is associated with gait speed and DTGC in this group of non-demented individuals, independent of the presence or absence of MCI. These findings provide evidence of the relationship between these non-cognitive dementia markers of behavior and gait beyond cognitive impairment.<\/p>\n<\/div>\n","protected":false},"author":19,"featured_media":0,"template":"","meta":{"_acf_changed":false},"studies-relation":[51],"class_list":["post-4954","ccna_publication","type-ccna_publication","status-publish","hentry","studies-relation-compass-nd-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dual-task gait and mild behavioral impairment: The interface between non-cognitive dementia markers - CCNA - CCNV<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ccna-ccnv.ca\/fr\/ccna_publication\/dual-task-gait-and-mild-behavioral-impairment-the-interface-between-non-cognitive-dementia-markers-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dual-task gait and mild behavioral impairment: The interface between non-cognitive dementia markers - 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