Introduction:Cognitive impairment poses a serious threat to the health of older adults.Understanding spatial distribution patterns and identifying high-risk areas are essential for developing targeted regional prevent...Introduction:Cognitive impairment poses a serious threat to the health of older adults.Understanding spatial distribution patterns and identifying high-risk areas are essential for developing targeted regional prevention and control strategies.This study examined the spatial distribution and clustering patterns of cognitive impairment in China in 2024.Methods:This study utilized data from the 2024 China Survey of Aging and Health.Rao-Scott chisquare tests were used to compare differences in prevalence across demographic subgroups.Global and local spatial autocorrelation analyses were conducted to examine the spatial distribution patterns and clustering characteristics.Results:In 2024,the prevalence of subjective cognitive decline(SCD)and mild cognitive impairment(MCI)among older adults≥65 years in China was 38.8%and 28.4%,respectively.The prevalence of SCD was highest in western China(45.1%),while MCI was highest in central China(31.0%).Global spatial autocorrelation analysis revealed that SCD(P=0.025)and MCI(P=0.015)distribution exhibited spatial clustering across China.Conclusions:The current burden of cognitive impairment in China’s older population is substantial and characterized by significant regional variations.Prevention and treatment measures should prioritize support for high-prevalence areas with limited resources and promote scientifically based,precise,and efficient cognitive impairment prevention and treatment strategies throughout China.展开更多
基金Supported by the National Key R&D Plan“Intergovernmental International Science and Technology Innovation Cooperation”Key Special Project(2021YFE0111800).
文摘Introduction:Cognitive impairment poses a serious threat to the health of older adults.Understanding spatial distribution patterns and identifying high-risk areas are essential for developing targeted regional prevention and control strategies.This study examined the spatial distribution and clustering patterns of cognitive impairment in China in 2024.Methods:This study utilized data from the 2024 China Survey of Aging and Health.Rao-Scott chisquare tests were used to compare differences in prevalence across demographic subgroups.Global and local spatial autocorrelation analyses were conducted to examine the spatial distribution patterns and clustering characteristics.Results:In 2024,the prevalence of subjective cognitive decline(SCD)and mild cognitive impairment(MCI)among older adults≥65 years in China was 38.8%and 28.4%,respectively.The prevalence of SCD was highest in western China(45.1%),while MCI was highest in central China(31.0%).Global spatial autocorrelation analysis revealed that SCD(P=0.025)and MCI(P=0.015)distribution exhibited spatial clustering across China.Conclusions:The current burden of cognitive impairment in China’s older population is substantial and characterized by significant regional variations.Prevention and treatment measures should prioritize support for high-prevalence areas with limited resources and promote scientifically based,precise,and efficient cognitive impairment prevention and treatment strategies throughout China.
