Machine Learning Approach for Frailty Detection in Long-Term Care Using Accelerometer-Measured Gait and Daily Physical Activity: Model Development and Validation Study

Xiaoping Zheng   ^{1 *} , PhD ;   Ziwei Zeng   ^{1 *} , MSc ;   Kimberley S van Schooten   ^{2, 3} , PhD ;   Yijian Yang   ^{1, 4} , MD, PhD

¹ Department of Sports Science and Physical Education, The Chinese University of Hong Kong, Hong Kong, China (Hong Kong)

² Neuroscience Research Australia, University of New South Wales, Sydney, Australia

³ School of Population Health, University of New South Wales, Sydney, Australia

⁴ CUHK Jockey Club Institute of Ageing, The Chinese University of Hong Kong, Hong Kong, China (Hong Kong)

*these authors contributed equally