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Psychometric Properties of the FRAIL Scale for Frailty Screening: A Scoping Review
Alejandra F Rojas-Rivera1, Paola Alves de Oliveira Lucchesi2, Maricarmen Andrade Anziani3
1Universidad de los Andes, Santiago, Chile, Facultad de Enfermería y Obstetricia, Escuela de Enfermería; Escola de Enfermagem da Universidade São Paulo, Brasil.
Objectives:
The aim of this study was to identify and map the available psychometric evidence of the FRAIL scale to screen frailty among older adults.
Design:
Scoping review of published articles on 9 databases (PubMed, Scopus, Web of Science, CINAHL, Cochrane, Embase, PsycINFO, VHL Regional Portal, and Epistemonikos) and 8 gray literature sources.
Setting And Participants:
Studies in adults or older adults, in both inpatient and outpatient settings (without context restrictions).
Methods:
Cross-cultural adaptations, validity and reliability evidence studies, whose main objective was to develop and/or validate and/or culturally adapt the FRAIL Scale to assess frailty in adults or older adults, published since 2007 were included in this scoping review. The databases were searched between February and March 2023.The JBI methodology for scoping reviews was used to guide the process. The protocol of this study was registered on the Open Science Framework platform.
Results:
Of the 1031 records found during the search, 40 articles that met the established criteria for analysis were included. Nearly 1 in 10 countries worldwide (11.9%) have psychometric evidence regarding this scale. Ten studies were identified with the goal of cross-cultural adaptation and/or validation in a different cultural context for the first time. Twenty-one of 40 studies used Morley 2012 operationalization of FRAIL Scale criteria. Thirty-nine studies provided evidence of associations with other variables. The rest of the evidence for content, internal structure, response processes, and reliability was only evaluated in cross-cultural adaptation studies, with limitations.
Conclusions And Implications:
In conclusion, there is some evidence of validity for FRAIL Scale; nevertheless, studies are needed to adapt the scale to new cultures, using rigorous Cross-Cultural Adaptation processes, and to provide new evidence of validity and reliability, to strengthen and consolidate the body of knowledge for its application to various patient groups and context.
