{"id":"https://openalex.org/W2158325299","doi":"https://doi.org/10.1016/j.jalz.2011.05.1302","title":"P2\u2010429: In\u2010home daily walking variability: A marker of mild cognitive impairment","display_name":"P2\u2010429: In\u2010home daily walking variability: A marker of mild cognitive impairment","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2158325299","doi":"https://doi.org/10.1016/j.jalz.2011.05.1302","mag":"2158325299"},"language":"en","primary_location":{"id":"doi:10.1016/j.jalz.2011.05.1302","doi":"https://doi.org/10.1016/j.jalz.2011.05.1302","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.jalz.2011.05.1302","pdf_url":null,"source":{"id":"https://openalex.org/S108427512","display_name":"Alzheimer s & Dementia","issn_l":"1552-5260","issn":["1552-5260","1552-5279"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-3","ki-jl-3","medline","norway-1","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Alzheimer's &amp; Dementia","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021979900","display_name":"Hiroko Hayama Dodge","orcid":"https://orcid.org/0000-0001-7290-8307","observed_orcids":["https://orcid.org/0000-0001-7290-8307"]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hiroko Dodge","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042960293","display_name":"Tamara L. Hayes","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tamara Hayes","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036719704","display_name":"Nora Mattek","orcid":"https://orcid.org/0000-0003-2623-1969","observed_orcids":["https://orcid.org/0000-0003-2623-1969"]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nora Mattek","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059290753","display_name":"Daniel Austin","orcid":"https://orcid.org/0000-0002-3248-5503","observed_orcids":["https://orcid.org/0000-0002-3248-5503"]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daniel Austin","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059233599","display_name":"Stuart Hagler","orcid":"https://orcid.org/0000-0002-6528-4839","observed_orcids":["https://orcid.org/0000-0002-6528-4839"]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Stuart Hagler","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Ian Campbell","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ian Campbell","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006802823","display_name":"Holly Brugge Jimison","orcid":"https://orcid.org/0000-0003-2374-382X","observed_orcids":["https://orcid.org/0000-0003-2374-382X"]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Holly Jimison","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020862899","display_name":"Misha Pavel C","orcid":"https://orcid.org/0000-0002-8023-6405","observed_orcids":["https://orcid.org/0000-0002-8023-6405","https://orcid.org/0000-0002-4064-3436"]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Misha Pavel","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040631126","display_name":"Jeffrey Alan Kaye","orcid":"https://orcid.org/0000-0002-9971-3478","observed_orcids":["https://orcid.org/0000-0002-9971-3478"]},"institutions":[{"id":"https://openalex.org/I165690674","display_name":"Oregon Health & Science University","ror":"https://ror.org/009avj582","country_code":"US","type":"education","lineage":["https://openalex.org/I165690674"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey Kaye","raw_affiliation_strings":["Oregon Health &amp; Science University Portland Oregon United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oregon Health &amp; Science University Portland Oregon United States","institution_ids":["https://openalex.org/I165690674"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I165690674"],"apc_list":{"value":4200,"currency":"USD","value_usd":4200},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21858218,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":"4S_Part_13","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10009","display_name":"Dementia and Cognitive Impairment Research","score":0.8827999830245972,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10009","display_name":"Dementia and Cognitive Impairment Research","score":0.8827999830245972,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10114","display_name":"Balance, Gait, and Falls Prevention","score":0.0697999969124794,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.02669999934732914,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mild-cognitive-impairment","display_name":"mild cognitive impairment","score":0.9990000128746033}],"concepts":[{"id":"https://openalex.org/C70770792","wikidata":"https://www.wikidata.org/wiki/Q7239848","display_name":"Preferred walking speed","level":2,"score":0.554424524307251},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.5486106872558594},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.5230101943016052},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.5158697366714478},{"id":"https://openalex.org/C14216870","wikidata":"https://www.wikidata.org/wiki/Q3872","display_name":"Neuropsychology","level":3,"score":0.4971916973590851},{"id":"https://openalex.org/C2984915365","wikidata":"https://www.wikidata.org/wiki/Q5141203","display_name":"Cognitive impairment","level":3,"score":0.48889198899269104},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.47912880778312683},{"id":"https://openalex.org/C548259974","wikidata":"https://www.wikidata.org/wiki/Q569965","display_name":"Audiology","level":1,"score":0.44861191511154175},{"id":"https://openalex.org/C2984863031","wikidata":"https://www.wikidata.org/wiki/Q83030","display_name":"Cognitive decline","level":4,"score":0.44358137249946594},{"id":"https://openalex.org/C79544238","wikidata":"https://www.wikidata.org/wiki/Q423243","display_name":"Activities of daily living","level":2,"score":0.4183056354522705},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.36387115716934204},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.3565889000892639},{"id":"https://openalex.org/C2779483572","wikidata":"https://www.wikidata.org/wiki/Q83030","display_name":"Dementia","level":3,"score":0.27059388160705566},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0971669852733612},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.08014097809791565},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.jalz.2011.05.1302","doi":"https://doi.org/10.1016/j.jalz.2011.05.1302","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.jalz.2011.05.1302","pdf_url":null,"source":{"id":"https://openalex.org/S108427512","display_name":"Alzheimer s & Dementia","issn_l":"1552-5260","issn":["1552-5260","1552-5279"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-3","ki-jl-3","medline","norway-1","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Alzheimer's &amp; Dementia","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.98580002784729,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1997718099","https://openalex.org/W3021979255","https://openalex.org/W2139609044","https://openalex.org/W2296625668","https://openalex.org/W1987077820","https://openalex.org/W7214382688","https://openalex.org/W2811088743","https://openalex.org/W2761022737","https://openalex.org/W6960776782","https://openalex.org/W7161979268"],"abstract_inverted_index":{"Increased":[0],"cognitive":[1,80],"and":[2,15,47,81,100,126,136,173,180,213,242,304,324,345],"motor":[3,82],"test-to-test":[4],"variability":[5,49,312],"are":[6,56],"associated":[7,186,251],"with":[8,148,187,231,252,287,321],"Mild":[9],"Cognitive":[10],"Impairment":[11],"(MCI).":[12],"Home-based,":[13],"unobtrusive":[14,75],"continuous":[16],"assessment":[17,43,310],"of":[18,25,33,44,74,117,120,128,155,189,193,256,269,311,319,328],"walking":[19,45,196,257,272,314],"speed":[20,46,104,125,179,258,273,281,315],"may":[21,330],"provide":[22],"a":[23,71,153,253,288],"means":[24],"capturing":[26],"early":[27],"changes":[28],"in":[29,61,84,112,204,228,313],"the":[30,62,115,118,190,205,229,291,302],"real-world":[31],"trajectory":[32,135,169,191],"activity":[34],"variance":[35],"characterizing":[36],"MCI.":[37,322],"We":[38],"examined":[39],"whether":[40],"long-term":[41],"in-home":[42,76],"its":[48],"can":[50],"distinguish":[51],"MCI":[52,91,183,249,303],"from":[53,141],"those":[54],"who":[55],"cognitively":[57,305],"intact.":[58],"Participants":[59],"enrolled":[60],"Intelligent":[63],"Systems":[64],"for":[65,152,177,240],"Assessing":[66],"Aging":[67],"Change":[68],"(ISSAC)":[69],"study,":[70],"longitudinal":[72],"study":[73],"technologies":[77],"to":[78,202,226,333,343,346],"detect":[79,334],"decline":[83],"independently":[85],"living":[86,145],"seniors,":[87],"were":[88,131,297],"defined":[89],"as":[90,224],"or":[92,280,339],"normal":[93],"at":[94,211],"baseline":[95,212],"using":[96,107,133],"neuropsychological":[97],"test":[98],"data":[99],"pre-defined":[101],"algorithms.":[102],"Walking":[103],"was":[105,150,163,184,199,209,250],"assessed":[106],"passive":[108],"infra-red":[109],"sensors":[110],"fixed":[111],"series":[113],"on":[114],"ceiling":[116],"homes":[119],"seniors.":[121],"The":[122,235],"weekly":[123,194,277],"median":[124,178,195,278],"coefficient":[127],"variation":[129],"(CoV)":[130],"analyzed":[132],"latent":[134,340],"mixed":[137,236],"effects":[138,237],"models.":[139],"Data":[140],"111":[142],"ISAAC":[143],"subjects":[144],"alone":[146],"(35":[147],"MCI)":[149],"acquired":[151],"mean":[154],"271.9":[156],"\u00b1":[157,165],"175.2":[158],"days.":[159],"Mean":[160],"cohort":[161],"age":[162,241],"84.9":[164],"4.8":[166],"yrs.":[167],"Latent":[168],"models":[170],"identified":[171],"3":[172],"4":[174],"distinct":[175],"trajectories":[176],"CoV,":[181],"respectively.":[182],"not":[185,298],"any":[188],"patterns":[192],"speed,":[197],"but":[198],"more":[200],"likely":[201],"be":[203,227,331],"group":[206,230],"where":[207],"CoV":[208,233,255],"high":[210,215,254,264],"remained":[214,263],"over":[216,265,274,290],"time":[217,266,275],"(OR":[218],"=":[219,222,260],"7.0;":[220],"p":[221],"0.03),":[223],"opposed":[225],"lower":[232],"overtime.":[234,350],"model":[238],"controlling":[239],"gender":[243],"confirmed":[244],"these":[245],"findings":[246],"showing":[247],"that":[248,262],"(p":[259],"0.02)":[261],"(no":[267],"interaction":[268],"time*MCI).":[270],"Absolute":[271],"(i.e.,":[276],"speed)":[279],"obtained":[282],"during":[283],"annual":[284],"in-person":[285],"assessments":[286],"stopwatch":[289],"same":[292],"approximate":[293],"two":[294],"year":[295],"period":[296],"significantly":[299],"different":[300],"between":[301],"intact":[306],"groups.":[307],"Unobtrusive":[308],"home-based":[309],"provides":[316],"an":[317],"indicator":[318],"individuals":[320],"These":[323],"other":[325],"real-time":[326],"measures":[327],"function":[329],"used":[332],"transition":[335],"phases":[336],"representing":[337],"presymptomatic":[338],"disease":[341],"leading":[342],"dementia":[344],"assess":[347],"treatment":[348],"outcomes":[349]},"counts_by_year":[],"updated_date":"2026-10-17T09:40:24.721904","created_date":"2016-06-24T00:00:00"}
