Participants
Based on convenience sampling, participants (older adults) were recruited from 32 community centers for older adults in a city in China from June 2019 to December 2020.A total of 1081 participants were recruited and completed testing. Among them, 196 were verified to have received ≤6 years of education. Another 58 participants were found to have excessive amounts of missing data. The final sample size entering the analyses was 827 (