Introduction. SATIS-Stroke was developed to measure satisfaction regarding activities and participation among stroke survivors based on the concepts contained in the International Classification of Functioning, Disability, and Health. However, this measure is only available in English and French. Objective. Perform the translation and cross-cultural adaptation of SATIS-Stroke to Brazilian Portuguese and test the preliminary reliability of this measure. Methods. The translation process followed standardized guidelines and consisted of six phases: initial translation, back-translation, analysis of expert committee, test of final version, submission, and assessment of all written reports. To test the preliminary test-retest reliability, the measure was administered by a single observer on two occasions with an interval of 7 to 14 days for the determination of intraobserver agreement and administered again by a second observer for the determination of interobserver agreement. Reliability was analyzed using the intraclass correlation coefficient (ICC2,1) and respective 95% confidence intervals (CI). Results. All stages of the cross-cultural adaptation process were respected and the final translated version of SATIS-Stroke exhibited semantic, idiomatic, cultural, and conceptual equivalence to the original version. The preliminary analysis revealed excellent intraobserver and interobserver reliability (ICC = 0.93; 95% CI: 0.83-0.97, p = 0.001 and ICC = 0.90; 95% CI: 0.74-0.96; p = 0.001, respectively). The items demonstrated adequate internal consistency, although ceiling and floor effects were considered beyond acceptable standards for some items. In the exploratory factor analysis, three factors were extracted that aggregated more than one construct to each component, but all were related to the “Activities and Participation” component of the International Classification of Functioning, Disability, and Health. Conclusion. The final version of the SATIS-Stroke scale in Brazilian Portuguese proved to be adequate and reliable for use on the Brazilian population. Further studies are underway to give continuity to the validation process and analyze the others measurement properties of the scale in the Brazilian population.
Background
The World Health Organization considers falls the second leading cause of death by accidental injury worldwide and one of the most frequent complications in older adults during activities of daily living. Several tasks related to fall risk have been individually assessed describing kinematic changes in older adults. The study proposal was identify which functional task differentiates faller and non-faller older adults using the movement deviation profile (MDP).
Methods
This cross-sectional study recruited 68 older adults aged ≥ 60 years by convenience sampling. Older adults were divided into two groups: with and without a history of falls (34 older adults in each group). The MDP analyzed the three-dimensional angular kinematics data of tasks (i.e., gait, walking turn, stair ascent and descent, sit-to-stand, and stand-to-sit), and the Z-score of the mean MDP identified which task presented the greatest difference between fallers and non-fallers. A multivariate analysis (MANOVA) with Bonferroni post hoc verified the interaction between groups considering angular kinematic data and the cycle time of the task. Statistical significance was set at 5% (p < 0.05).
Results
Z-score of the MDPmean showed an interaction between groups (λ= 0.67, F = 5.085, p < 0.0001). Fallers differed significantly from non-fallers in all tasks and the greatest difference was in stair descent (Z-Score = 0.89). The time to complete each task was not different between groups.
Conclusion
The MDP distinguished older adult fallers from non-fallers. The stair descent task should be highlighted since it presented the greatest difference between groups.
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