The Falls Efficacy Scale International (FES-I). A comprehensive longitudinal validation study

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ID: 305665
2010
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Abstract
Objective: this study aimed to perform a comprehensive validation of the 16-item and 7-item Falls Efficacy Scale International (FES-I) by investigating the overall structure and measurement properties, convergent and predictive validity and responsiveness to change. Method: five hundred community-dwelling older people (70–90 years) were assessed on the FES-I in conjunction with demographic, physiological and neuropsychological measures at baseline and at 12 months. Falls were monitored monthly and fear of falling every 3 months. Results: the overall structure and measurement properties of both FES-I scales, as evaluated with item response theory, were good. Discriminative ability on physiological and neuropsychological measures indicated excellent validity, both at baseline (n = 500, convergent validity) and at 1-year follow-up (n = 463, predictive validity). The longitudinal follow-up suggested that FES-I scores increased over time regardless of any fall event, with a trend for a stronger increase in FES-I scores when a person suffered multiple falls in a 3-month period. Additionally, using receiver-operating characteristic (ROC) curves, cut-points were defined to differentiate between lower and higher levels of concern. Conclusions: the current study builds on the previously established psychometric properties of the FES-I. Both scales have acceptable structures, good validity and reliability and can be recommended for research and clinical purposes. Future studies should explore the FES-I's responsiveness to change during intervention studies and confirm suggested cut-points in other settings, larger samples and across different cultures.
Reference Key
openalex_W2121968472 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kim Delbaere, Jacqueline Close, A. Stefanie Mikolaizak, Perminder S. Sachdev, Henry Brodaty, Stephen R. Lord
Journal age and ageing
Year 2010
DOI
10.1093/ageing/afp225
URL
https://academic.oup.com/ageing/article-pdf/39/2/210/88524/afp225.pdf
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