Journal of the American Medical Directors Association · 2024
Acceptability, Reliability, and Validity of Virtually Administered Gait Speed Tests.
СтатьяВалидационное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Mehdipour Ava, Saunders Stephanie, Reid Julie, D'Amore Cassandra, Richardson Julie, Beauchamp Marla, Kuspinar Ayse
Аннотация
OBJECTIVES: To evaluate the acceptability, reliability (inter- and intrarater), and validity (convergent, known groups, and predictive) of virtually administered gait speed tests for community-dwelling older adults.
DESIGN: A prospective cohort study was performed, tracking health outcomes for a year.
SETTING AND PARTICIPANTS: The 3-m gait speed test at usual and fast pace was administered to community-dwelling older adults over Zoom.
METHOD: To examine acceptability, participants completed questionnaires regarding telehealth usability and experience. Virtual gait speed tests were administered at baseline and 24 to 72 hours later to evaluate reliability. Self-report mobility measures were used to examine convergent and known-groups validity. Participants' health outcomes were tracked for a year to evaluate predictive validity.
RESULTS: Sixty participants completed the baseline assessment and 52 completed the second assessment. Participants reported an overall positive experience with the test. Intraclass correlation coefficients for reliability ranged from 0.79 to 0.90. For convergent validity, correlations >0.30 were found predominantly for usual gait speed with self-report mobility measures. Both the usual- and fast-gait speed were able to discriminate between difficulty walking and gait aid use. Usual gait speed was able to predict specialist and family doctor visits and fast gait speed was able to predict rehabilitation specialist visits over 1 year.
CONCLUSIONS AND IMPLICATIONS: Our findings demonstrate support for the acceptability, reliability, and validity of virtually administered gait speed tests for community-dwelling older adults. Although future studies are needed to examine the validity of virtual gait speed tests in larger and more diverse samples to improve generalizability of results, clinicians and researchers can virtually administer 3-m gait speed tests with confidence that scores are trustworthy and reflect older adults' mobility.
DESIGN: A prospective cohort study was performed, tracking health outcomes for a year.
SETTING AND PARTICIPANTS: The 3-m gait speed test at usual and fast pace was administered to community-dwelling older adults over Zoom.
METHOD: To examine acceptability, participants completed questionnaires regarding telehealth usability and experience. Virtual gait speed tests were administered at baseline and 24 to 72 hours later to evaluate reliability. Self-report mobility measures were used to examine convergent and known-groups validity. Participants' health outcomes were tracked for a year to evaluate predictive validity.
RESULTS: Sixty participants completed the baseline assessment and 52 completed the second assessment. Participants reported an overall positive experience with the test. Intraclass correlation coefficients for reliability ranged from 0.79 to 0.90. For convergent validity, correlations >0.30 were found predominantly for usual gait speed with self-report mobility measures. Both the usual- and fast-gait speed were able to discriminate between difficulty walking and gait aid use. Usual gait speed was able to predict specialist and family doctor visits and fast gait speed was able to predict rehabilitation specialist visits over 1 year.
CONCLUSIONS AND IMPLICATIONS: Our findings demonstrate support for the acceptability, reliability, and validity of virtually administered gait speed tests for community-dwelling older adults. Although future studies are needed to examine the validity of virtual gait speed tests in larger and more diverse samples to improve generalizability of results, clinicians and researchers can virtually administer 3-m gait speed tests with confidence that scores are trustworthy and reflect older adults' mobility.