Yong-xin Xie, Associate Professor and Master's Supervisor, currently working in the Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University. Received a Ph.D. in Public Health and Preventive Medicine in 2021. Mainly engaged in health statistics and services, evaluation of population health effects, and research on chronic disease prevention and control and its influencing factors based on big data. *Please check author's bio*