China Health and Retirement Longitudinal Study (CHARLS)
CHARLS is a nationally representative longitudinal survey of Chinese residents ages 45 and older. The baseline national wave of CHARLS conducted in 2011 includes around 17,500 individuals from 10,000 households within 150 counties/districts and 450 villages/resident committees in China. The individuals are followed up every two years.
Study design
Cohort
Number of participants at first data collection
17,708 (participants)
Age at first data collection
≥ 45 years (participants)
Participant year of birth
Varied (participants)
Participant sex
All
Representative sample at baseline?
Chinese population aged 45 years and older in 2011
Sample features
Country
Year of first data collection
2011
Primary Institutions
Peking University (北京大学, PKU)
Profile paper DOI
Funders
National Institute on Aging (NIA)
National Natural Science Foundation of China (国家自然科学基金委员会, NSFC)
World Bank
Ongoing?
Yes
Data types collected
- Computer, paper or task testing (e.g. cognitive testing, theory of mind doll task, attention computer tasks)
- Interview – face-to-face
- Physical or biological assessment (e.g. blood, saliva, gait, grip strength, anthropometry)
- Self-report questionnaire – paper or computer assisted
- None
- None
- None
Engagement
Keywords
Consortia and dataset groups
