Fear of falling in community-dwelling older adults: What their gait acceleration pattern reveals
Fear of Falling (FOF) is common among community-dwelling older adults and is associated with increased fall-risk, reduced activity, and gait modifications. In this cross-sectional study, we examined the relationships between FOF and gait quality. Older adults (N=232; age 77±6; 65 % females) reported...
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| Veröffentlicht in: | Computer methods and programs in biomedicine 2024-02, Vol.244, p.108001, Article 108001 |
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| creator | Suri, Anisha Hubbard, Zachary L VanSwearingen, Jessie Torres-Oviedo, Gelsy Brach, Jennifer S Redfern, Mark S Sejdic, Ervin Rosso, Andrea L |
| description | Fear of Falling (FOF) is common among community-dwelling older adults and is associated with increased fall-risk, reduced activity, and gait modifications.
In this cross-sectional study, we examined the relationships between FOF and gait quality.
Older adults (N=232; age 77±6; 65 % females) reported FOF by a single yes/no question. Gait quality was quantified as (1) harmonic ratio (smoothness) and other time-frequency spatiotemporal variables from triaxial accelerometry (Vertical-V, Mediolateral-ML, Anterior-Posterior -AP) during six-minute walk; (2) gait speed, step-time CoV (variability), and walk-ratio (step-length/cadence) on a 4-m instrumented walkway. Mann Whitney U-tests and Random forest classifier compared gait between those with and without FOF. Selected gait variables were used to build Support Vector Machine (SVM) classifier and performance was evaluated using AUC-ROC.
Individuals with FOF had slower gait speed (103.66 ± 17.09 vs. 110.07 ± 14.83 cm/s), greater step time CoV (4.17 ± 1.66 vs. 3.72 ± 1.24 %), smaller walk-ratio (0.53 ± 0.08 vs. 0.56 ± 0.07 cm/steps/minute), smaller standard deviation V (0.15 ± 0.06 vs. 0.18 ± 0.09 m/s
), and smaller harmonic-ratio V (2.14 ± 0.73 vs. 2.38 ± 0.58), all p |
| doi_str_mv | 10.1016/j.cmpb.2023.108001 |
| format | Article |
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In this cross-sectional study, we examined the relationships between FOF and gait quality.
Older adults (N=232; age 77±6; 65 % females) reported FOF by a single yes/no question. Gait quality was quantified as (1) harmonic ratio (smoothness) and other time-frequency spatiotemporal variables from triaxial accelerometry (Vertical-V, Mediolateral-ML, Anterior-Posterior -AP) during six-minute walk; (2) gait speed, step-time CoV (variability), and walk-ratio (step-length/cadence) on a 4-m instrumented walkway. Mann Whitney U-tests and Random forest classifier compared gait between those with and without FOF. Selected gait variables were used to build Support Vector Machine (SVM) classifier and performance was evaluated using AUC-ROC.
Individuals with FOF had slower gait speed (103.66 ± 17.09 vs. 110.07 ± 14.83 cm/s), greater step time CoV (4.17 ± 1.66 vs. 3.72 ± 1.24 %), smaller walk-ratio (0.53 ± 0.08 vs. 0.56 ± 0.07 cm/steps/minute), smaller standard deviation V (0.15 ± 0.06 vs. 0.18 ± 0.09 m/s
), and smaller harmonic-ratio V (2.14 ± 0.73 vs. 2.38 ± 0.58), all p<.01. Linear SVM yielded an AUC-ROC of 67 % on test dataset, coefficient values being gait speed (-0.19), standard deviation V (-0.23), walk-ratio (-0.36), and smoothness V (-0.38) describing associations with presence of FOF.
Older adults with FOF have reduced gait speed, acceleration adaptability, walk-ratio, and smoothness. Disrupted gait patterns during fear of falling could provide insights into psychosocial distress in older adults. Longitudinal studies are warranted.</description><identifier>ISSN: 0169-2607</identifier><identifier>ISSN: 1872-7565</identifier><identifier>EISSN: 1872-7565</identifier><identifier>DOI: 10.1016/j.cmpb.2023.108001</identifier><identifier>PMID: 38199138</identifier><language>eng</language><publisher>Ireland</publisher><ispartof>Computer methods and programs in biomedicine, 2024-02, Vol.244, p.108001, Article 108001</ispartof><rights>Copyright © 2023. Published by Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c254t-321ff82bcafa53884e4ff95c1147649ae8eda8596fb6155c4604d537c16cfb383</cites><orcidid>0000-0001-5308-2079 ; 0000-0001-5955-6351</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27913,27914</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38199138$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Suri, Anisha</creatorcontrib><creatorcontrib>Hubbard, Zachary L</creatorcontrib><creatorcontrib>VanSwearingen, Jessie</creatorcontrib><creatorcontrib>Torres-Oviedo, Gelsy</creatorcontrib><creatorcontrib>Brach, Jennifer S</creatorcontrib><creatorcontrib>Redfern, Mark S</creatorcontrib><creatorcontrib>Sejdic, Ervin</creatorcontrib><creatorcontrib>Rosso, Andrea L</creatorcontrib><title>Fear of falling in community-dwelling older adults: What their gait acceleration pattern reveals</title><title>Computer methods and programs in biomedicine</title><addtitle>Comput Methods Programs Biomed</addtitle><description>Fear of Falling (FOF) is common among community-dwelling older adults and is associated with increased fall-risk, reduced activity, and gait modifications.
In this cross-sectional study, we examined the relationships between FOF and gait quality.
Older adults (N=232; age 77±6; 65 % females) reported FOF by a single yes/no question. Gait quality was quantified as (1) harmonic ratio (smoothness) and other time-frequency spatiotemporal variables from triaxial accelerometry (Vertical-V, Mediolateral-ML, Anterior-Posterior -AP) during six-minute walk; (2) gait speed, step-time CoV (variability), and walk-ratio (step-length/cadence) on a 4-m instrumented walkway. Mann Whitney U-tests and Random forest classifier compared gait between those with and without FOF. Selected gait variables were used to build Support Vector Machine (SVM) classifier and performance was evaluated using AUC-ROC.
Individuals with FOF had slower gait speed (103.66 ± 17.09 vs. 110.07 ± 14.83 cm/s), greater step time CoV (4.17 ± 1.66 vs. 3.72 ± 1.24 %), smaller walk-ratio (0.53 ± 0.08 vs. 0.56 ± 0.07 cm/steps/minute), smaller standard deviation V (0.15 ± 0.06 vs. 0.18 ± 0.09 m/s
), and smaller harmonic-ratio V (2.14 ± 0.73 vs. 2.38 ± 0.58), all p<.01. Linear SVM yielded an AUC-ROC of 67 % on test dataset, coefficient values being gait speed (-0.19), standard deviation V (-0.23), walk-ratio (-0.36), and smoothness V (-0.38) describing associations with presence of FOF.
Older adults with FOF have reduced gait speed, acceleration adaptability, walk-ratio, and smoothness. Disrupted gait patterns during fear of falling could provide insights into psychosocial distress in older adults. Longitudinal studies are warranted.</description><issn>0169-2607</issn><issn>1872-7565</issn><issn>1872-7565</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNo9kMtOwzAURC0EoqXwAyyQl2xS_I7DDlUUkJDYgFgax7mGVHkU2wH170kVYHWl0cxo7kHonJIlJVRdbZau3ZZLRhgfBU0IPUBzqnOW5VLJQzQfTUXGFMln6CTGDSGESamO0YxrWhSU6zl6W4MNuPfY26apu3dcd9j1bTt0ddpl1TdMat9UELCthibFa_z6YRNOH1AH_G7rhK1z0ECwqe47vLUpQehwgC-wTTxFR2N1hLPfu0Av69vn1X32-HT3sLp5zByTImWcUe81K531VnKtBQjvC-koFbkShQUNldWyUL5UVEonFBGV5LmjyvmSa75Al1PvNvSfA8Rk2jqOsxrbQT9Ew8Z_hShUno9WNlld6GMM4M021K0NO0OJ2ZM1G7Mna_ZkzUR2DF389g9lC9V_5A8l_wHM4XZc</recordid><startdate>202402</startdate><enddate>202402</enddate><creator>Suri, Anisha</creator><creator>Hubbard, Zachary L</creator><creator>VanSwearingen, Jessie</creator><creator>Torres-Oviedo, Gelsy</creator><creator>Brach, Jennifer S</creator><creator>Redfern, Mark S</creator><creator>Sejdic, Ervin</creator><creator>Rosso, Andrea L</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-5308-2079</orcidid><orcidid>https://orcid.org/0000-0001-5955-6351</orcidid></search><sort><creationdate>202402</creationdate><title>Fear of falling in community-dwelling older adults: What their gait acceleration pattern reveals</title><author>Suri, Anisha ; Hubbard, Zachary L ; VanSwearingen, Jessie ; Torres-Oviedo, Gelsy ; Brach, Jennifer S ; Redfern, Mark S ; Sejdic, Ervin ; Rosso, Andrea L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c254t-321ff82bcafa53884e4ff95c1147649ae8eda8596fb6155c4604d537c16cfb383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Suri, Anisha</creatorcontrib><creatorcontrib>Hubbard, Zachary L</creatorcontrib><creatorcontrib>VanSwearingen, Jessie</creatorcontrib><creatorcontrib>Torres-Oviedo, Gelsy</creatorcontrib><creatorcontrib>Brach, Jennifer S</creatorcontrib><creatorcontrib>Redfern, Mark S</creatorcontrib><creatorcontrib>Sejdic, Ervin</creatorcontrib><creatorcontrib>Rosso, Andrea L</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Computer methods and programs in biomedicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Suri, Anisha</au><au>Hubbard, Zachary L</au><au>VanSwearingen, Jessie</au><au>Torres-Oviedo, Gelsy</au><au>Brach, Jennifer S</au><au>Redfern, Mark S</au><au>Sejdic, Ervin</au><au>Rosso, Andrea L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fear of falling in community-dwelling older adults: What their gait acceleration pattern reveals</atitle><jtitle>Computer methods and programs in biomedicine</jtitle><addtitle>Comput Methods Programs Biomed</addtitle><date>2024-02</date><risdate>2024</risdate><volume>244</volume><spage>108001</spage><pages>108001-</pages><artnum>108001</artnum><issn>0169-2607</issn><issn>1872-7565</issn><eissn>1872-7565</eissn><abstract>Fear of Falling (FOF) is common among community-dwelling older adults and is associated with increased fall-risk, reduced activity, and gait modifications.
In this cross-sectional study, we examined the relationships between FOF and gait quality.
Older adults (N=232; age 77±6; 65 % females) reported FOF by a single yes/no question. Gait quality was quantified as (1) harmonic ratio (smoothness) and other time-frequency spatiotemporal variables from triaxial accelerometry (Vertical-V, Mediolateral-ML, Anterior-Posterior -AP) during six-minute walk; (2) gait speed, step-time CoV (variability), and walk-ratio (step-length/cadence) on a 4-m instrumented walkway. Mann Whitney U-tests and Random forest classifier compared gait between those with and without FOF. Selected gait variables were used to build Support Vector Machine (SVM) classifier and performance was evaluated using AUC-ROC.
Individuals with FOF had slower gait speed (103.66 ± 17.09 vs. 110.07 ± 14.83 cm/s), greater step time CoV (4.17 ± 1.66 vs. 3.72 ± 1.24 %), smaller walk-ratio (0.53 ± 0.08 vs. 0.56 ± 0.07 cm/steps/minute), smaller standard deviation V (0.15 ± 0.06 vs. 0.18 ± 0.09 m/s
), and smaller harmonic-ratio V (2.14 ± 0.73 vs. 2.38 ± 0.58), all p<.01. Linear SVM yielded an AUC-ROC of 67 % on test dataset, coefficient values being gait speed (-0.19), standard deviation V (-0.23), walk-ratio (-0.36), and smoothness V (-0.38) describing associations with presence of FOF.
Older adults with FOF have reduced gait speed, acceleration adaptability, walk-ratio, and smoothness. Disrupted gait patterns during fear of falling could provide insights into psychosocial distress in older adults. Longitudinal studies are warranted.</abstract><cop>Ireland</cop><pmid>38199138</pmid><doi>10.1016/j.cmpb.2023.108001</doi><orcidid>https://orcid.org/0000-0001-5308-2079</orcidid><orcidid>https://orcid.org/0000-0001-5955-6351</orcidid></addata></record> |
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| title | Fear of falling in community-dwelling older adults: What their gait acceleration pattern reveals |
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