Author

Yu-Meng Zhang

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Open access Aug 2026

Development and Validation of a Disability Risk Prediction Model for Older Adults Based on Machine Learning: A Multi-Algorithm Comparison with SHAP Interpretation

Among the developed prediction models, the LightGBM‑based model demonstrated superior overall predictive performance in internal validation, providing a reference for disability management in older adults.

Shaoting Yang, Heting Liang, Yamin Peng et al. · Clinical Interventions in Ag... · 0 citations

Preprint Aug 2026

A functional joint model with baseline functional covariates: linking sitting accumulation patterns to physical function and mortality among older women

This work proposes a novel approach that first converts raw accelerometry data into daily sitting bout accumulation profiles, which are treated as functional covariates, and develops a functional joint model for longitudinal and time-to-event outcomes that incorporates a baseline functional covariate.

Luo Xiao, Wenyi Wang, Yu-Meng Zhang et al. · 0 citations