Physical therapy · 2014
Investigating the validity of the environmental framework underlying the original and modified Dynamic Gait Index.
СтатьяПоддержка исследования: вне правительства СШАВалидационное исследованиеНазвание и аннотация: Перевод в очереди
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Shumway-Cook Anne, Matsuda Patricia Noritake, Taylor Catherine
Аннотация
BACKGROUND: The modified Dynamic Gait Index (mDGI), developed from a person-environment model of mobility disability, measures mobility function relative to specific environmental demands. The framework for interpreting mDGI scores relative to specific environmental dimensions has not been investigated.
OBJECTIVE: The aim of this study was to examine the person-environmental model underlying the development and interpretation of mDGI scores.
DESIGN: This was a cross-sectional, descriptive study.
METHODS: There were 794 participants in the study, including 140 controls. Out of the total study population, 239 had sustained a stroke, 140 had vestibular dysfunction, 100 had sustained a traumatic brain injury, 91 had gait abnormality, and 84 had Parkinson disease. Exploratory factor analysis was used to investigate whether mDGI scores supported the 4 environmental dimensions.
RESULTS: Factor analysis showed that, with some exceptions, tasks loaded on 4 underlying factors, partially supporting the underlying environmental model.
LIMITATIONS: Limitations of this study included the uneven sample sizes in the 6 groups.
CONCLUSIONS: Support for the environmental framework underlying the mDGI extends its usefulness as a clinical measure of functional mobility by providing a rationale for interpretation of scores that can be used to direct treatment and infer change in mobility function.
OBJECTIVE: The aim of this study was to examine the person-environmental model underlying the development and interpretation of mDGI scores.
DESIGN: This was a cross-sectional, descriptive study.
METHODS: There were 794 participants in the study, including 140 controls. Out of the total study population, 239 had sustained a stroke, 140 had vestibular dysfunction, 100 had sustained a traumatic brain injury, 91 had gait abnormality, and 84 had Parkinson disease. Exploratory factor analysis was used to investigate whether mDGI scores supported the 4 environmental dimensions.
RESULTS: Factor analysis showed that, with some exceptions, tasks loaded on 4 underlying factors, partially supporting the underlying environmental model.
LIMITATIONS: Limitations of this study included the uneven sample sizes in the 6 groups.
CONCLUSIONS: Support for the environmental framework underlying the mDGI extends its usefulness as a clinical measure of functional mobility by providing a rationale for interpretation of scores that can be used to direct treatment and infer change in mobility function.
Предметные рубрики MeSH
AdolescentAdultAgedAged, 80 and overBrain InjuriesCross-Sectional StudiesEnvironmentExercise TestFactor Analysis, StatisticalFemaleGaitGait AtaxiaHumansMaleMiddle AgedMobility LimitationModels, TheoreticalMotor SkillsParkinson DiseasePostureSeverity of Illness IndexStrokeTask Performance and AnalysisTime FactorsVestibular DiseasesWalkingYoung Adult