Developing a Genetic Algorithm-Based Frailty Index for China Health and Retirement Longitudinal Study

Junjie Zhang, Hao Luo, Paul S. F, Department of Social Work and Social Administration, The University of Hong Kong, Hong Kong SAR, School of Public Health Sciences, University of Waterloo, Hong Kong Jockey Club Centre for Suicide Research and Prevention, The University of Hong Kong, Hong Kong SAR

Journal of Applied Gerontology

Published online on March 26, 2026

Abstract

Journal of Applied Gerontology, Ahead of Print.
ObjectiveTo develop a frailty index (FI) for predicting mortality and falls using The China Health and Retirement Longitudinal Study (CHARLS) data over 9 years.MethodsWe analyzed the 2011–2020 waves of CHARLS, employing a genetic algorithm (GA) for ...