Cross-cultural sdaptation and validation of the Pictorial Fit-Frail Scale (PFFS) for brazilian portuguese

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Abstract
Introduction: Frailty is a condition that predisposes older adults to adverse outcomes such as institutionalization, hospitalization, and mortality. Detecting and managing frailty are essential in gerontological care. Although numerous diagnostic and screening tools are described in the literature, few can be used directly by patients, their caregivers, or healthcare professionals. One such tool is the Pictorial Fit-Frail Scale (PFFS). Objective: To present the protocol for the cross-cultural adaptation and validation of the PFFS instrument for Brazilian Portuguese. Methods: This study will be conducted in two phases: (1) cross-cultural adaptation and (2) validation. In the content validity phase, nine participants will be included: three older adults, three caregivers, and three healthcare professionals. Statistical analysis will be performed using Finn’s coefficient. In the concurrent validity phase, 141 individuals will participate, distributed equally among older adults, caregivers, and healthcare professionals (47 in each group). The statistical analysis will include Pearson/Spearman correlation tests and Kendall’s rank correlation coefficient. Expected Results and Relevance: As a self-administered tool that can be easily completed by different individuals involved in the care of older adults, including the older adults themselves, its cross-cultural adaptation and validation for the Brazilian context may significantly contribute to comprehensive elderly care and the promotion of healthy aging.

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