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|Title: ||Reliability and construct validity of the stepping-forward affordance perception test for fall risk assessment in community-dwelling older adults|
|Authors: ||Almeida, Gabriela|
|Issue Date: ||Nov-2019|
|Citation: ||Almeida G, Bravo J, Folgado H, Rosado H,
Mendes F, Pereira C (2019) Reliability and
construct validity of the stepping-forward
affordance perception test for fall risk assessment
in community-dwelling older adults. PLoS ONE 14
(11): e0225118. https://doi.org/10.1371/journal.
|Abstract: ||Thus far, few studies have examined the estimation and actual performance of locomotor ability in older adults. To our knowledge, there are no studies examining the relationship between stepping-forward estimation versus ability and fall occurrence. The aim of this study was to develop and assess the reliability and validity of a new test for fall risk assessment in community-dwelling older adults. In total, 347 participants (73.1 ± 6.2 years; 266 women) were assessed for their perception of maximum distance for the stepping-forward and action boundary. The test was developed following the existing literature and expert opinions. The task showed strong internal consistency. Intraclass correlation ranged from 0.99 to 1 for intrarater agreement and from 0.83 to 0.97 for interrater agreement. Multivariate binary regression analysis models revealed an area under the curve (AUC) of 0.665 (95% CI: 0.608–0.723) for fallers and 0.728 (95% CI: 0.655–0.797) for recurrent fallers. The stepping-forward affordance perception test (SF-APT) was demonstrated to be accurate, reliable and valid for fall risk assessment. The results showed that a large estimated stepping-forward associated with an underestimated absolute error works as a protective mechanism for fallers and recurrent fallers in community-dwelling older adults. SF-APT is safe, quick, easy to administer, well accepted and reproducible for application in community or clinical settings by either clinical or nonclinical care professionals.|
|Appears in Collections:||DES - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica|
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