Five Factors of Frailty: A Multidimensional Psychometrically Robust Research Tool
This study utilizes data from the English Longitudinal Study on Ageing to develop and validate a psychometrically robust, multidimensional research tool consisting of five distinct frailty factors—Mobility/Severe Pain, Planning/Self Care, Depression, Moderate Pain/Movement/Arthritis, and Cardio-Metabolic—to facilitate accurate longitudinal assessment of frailty in aging populations.