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Does the Range of Walking Speeds Pro...

Criss, Michelle Germaine.

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Does the Range of Walking Speeds Produced by Community-Dwelling Older Adults Relate to or Predict Function, Disability, and Community Mobility?

Record Type:	Electronic resources : Monograph/item
Title/Author:	Does the Range of Walking Speeds Produced by Community-Dwelling Older Adults Relate to or Predict Function, Disability, and Community Mobility?/
Author:	Criss, Michelle Germaine.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	180 p.
Notes:	Source: Dissertations Abstracts International, Volume: 82-02, Section: B.
Contained By:	Dissertations Abstracts International82-02B.
Subject:	Physical therapy. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28021900
ISBN:	9798662494145

Does the Range of Walking Speeds Produced by Community-Dwelling Older Adults Relate to or Predict Function, Disability, and Community Mobility?
Criss, Michelle Germaine.

Does the Range of Walking Speeds Produced by Community-Dwelling Older Adults Relate to or Predict Function, Disability, and Community Mobility? - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 180 p.

Source: Dissertations Abstracts International, Volume: 82-02, Section: B.

Thesis (P.T.P.)--Nova Southeastern University, 2020.

This item must not be sold to any third party vendors.

Background: Self-selected (SSWS) and maximum walking speeds (MWS) are frequently studied and related to multiple body systems, function, falls, and mortality. Walking at a slow speed voluntarily or measuring a range of walking speeds (WS), however, has rarely been investigated. Purpose: The aims of this project were to explore a proposed measure of WS adaptability called total walking speed range (TWSR), to assess the reliability and validity of slow walking speed (slowWS) as a component of TWSR, to assess if TWSR could predict function, disability or community mobility, and finally, to compare the predictive ability of TWSR to single walking speeds. Methods: This was a cross-sectional, observational study using a convenience sample of independent community-dwelling older adults. Subjects were assessed in a single session with a battery of tests measuring common correlates of walking speed, several walking speeds, and outcome measures for function, disability (Late Life Function and Disability Instrument), and community mobility (Life-Space Assessment). Results: SlowWS demonstrated excellent test-retest and interrater reliability. SlowWS was only significantly correlated with TWSR, but TWSR was correlated with all study variables including the outcomes. TWSR significantly predicted function (adj. R2 = .364, p < .0005), life-space (adj. R2 = .185, p = .019), disability limitation (adj. R2 = .107, p < .0005) and disability frequency (adj. R2 = .041, p < .0005). In comparisons, SSWS predicted more variance in function, disability limitation and frequency than TWSR or MWS, but TWSR predicted life-space better. When covariates were included in models, neither TWSR, SSWS, nor MWS contributed independently to prediction of the outcomes. The hierarchical models for TWSR/SSWS/MWS performed similarly and final explained variances were within 1% of each other, except for the prediction of life-space. The model with covariates + TWSR predicted more life-space variance than covariates + SSWS (adj. R2 = .173, p < .0005 vs .145, p = .001). Conclusion: Walking at a slow speed can be reliably measured, consistent with findings for other WS. TWSR, but not slowWS, correlated with measures of body structure/function, activities, and participation and also predicted function, disability, and community mobility. However, the predictive ability of TWSR was not superior to SSWS or MWS. TWSR requires further research as a measure of walking speed adaptability, especially in relation to life-space.

ISBN: 9798662494145Subjects--Topical Terms:

588713
Physical therapy.
Subjects--Index Terms:

Community-dwelling older adults

Does the Range of Walking Speeds Produced by Community-Dwelling Older Adults Relate to or Predict Function, Disability, and Community Mobility?
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245 1 0 $a Does the Range of Walking Speeds Produced by Community-Dwelling Older Adults Relate to or Predict Function, Disability, and Community Mobility?
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300 $a 180 p.
500 $a Source: Dissertations Abstracts International, Volume: 82-02, Section: B.
500 $a Advisor: Canbek, Jennifer.
502 $a Thesis (P.T.P.)--Nova Southeastern University, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a Background: Self-selected (SSWS) and maximum walking speeds (MWS) are frequently studied and related to multiple body systems, function, falls, and mortality. Walking at a slow speed voluntarily or measuring a range of walking speeds (WS), however, has rarely been investigated. Purpose: The aims of this project were to explore a proposed measure of WS adaptability called total walking speed range (TWSR), to assess the reliability and validity of slow walking speed (slowWS) as a component of TWSR, to assess if TWSR could predict function, disability or community mobility, and finally, to compare the predictive ability of TWSR to single walking speeds. Methods: This was a cross-sectional, observational study using a convenience sample of independent community-dwelling older adults. Subjects were assessed in a single session with a battery of tests measuring common correlates of walking speed, several walking speeds, and outcome measures for function, disability (Late Life Function and Disability Instrument), and community mobility (Life-Space Assessment). Results: SlowWS demonstrated excellent test-retest and interrater reliability. SlowWS was only significantly correlated with TWSR, but TWSR was correlated with all study variables including the outcomes. TWSR significantly predicted function (adj. R2 = .364, p < .0005), life-space (adj. R2 = .185, p = .019), disability limitation (adj. R2 = .107, p < .0005) and disability frequency (adj. R2 = .041, p < .0005). In comparisons, SSWS predicted more variance in function, disability limitation and frequency than TWSR or MWS, but TWSR predicted life-space better. When covariates were included in models, neither TWSR, SSWS, nor MWS contributed independently to prediction of the outcomes. The hierarchical models for TWSR/SSWS/MWS performed similarly and final explained variances were within 1% of each other, except for the prediction of life-space. The model with covariates + TWSR predicted more life-space variance than covariates + SSWS (adj. R2 = .173, p < .0005 vs .145, p = .001). Conclusion: Walking at a slow speed can be reliably measured, consistent with findings for other WS. TWSR, but not slowWS, correlated with measures of body structure/function, activities, and participation and also predicted function, disability, and community mobility. However, the predictive ability of TWSR was not superior to SSWS or MWS. TWSR requires further research as a measure of walking speed adaptability, especially in relation to life-space.
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653 $a Total walking speed reserve
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