Results
cognitive impairment
A total of 5,829 older adults were included in this study, 50% of male, mean age of 70.29 ± 7.37 years old, about 23% from rural regions, and 28% of education level of primary school or below. In total, 1888 participants (32.39%) might be cognitive impairment screened by AD8 (scores of AD8 ≥ 2 points). There was no significant difference in the characteristics between Sample A and Sample B (Characteristics of study participants.*The scores of 80% or more was the cutoff value with health literacy in CRHLS.