China Healthy Aging Cohort Study

This is a community-based prospective cohort study in China. Individuals who were aged 60 years or older, had lived in the communities for more than 1 year, and had signed the informed consent form were enrolled in the present study. The study has been initiated in 2024 and aimed to explore the risk factors related to disability and dementia in the elderly Chinese population, and develop a risk prediction model for disability and dementia. This work consists of three steps as follows. First, by integrating the data of the elderly cohort of 4 communities in Beijing, Shenzhen, Haikou and Hangzhou, we plan to establish a Chinese elderly database. Second, to explore the risk factors of disability and dementia in elderly Chinese. Third, to construct risk prediction models of disability and dementia in Chinese elderly.