Binghan Wang, Hui Chen, Jie Shen, Wansi Zhong, Yan Zheng, Min Lou, Lusha Tong, Changzheng Yuan
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引用次数: 0
Abstract
Introduction: Sensory impairments (SIs, including visual, hearing, olfactory, and taste impairments) have been individually associated with age-related cognitive function. Little is known regarding their combined associations with cognitive function.
Methods: We included 2,931 participants (mean age of 69.1 years) from the National Health and Nutrition Examination Survey (NHANES, 2011-2014) and 10,785 participants (mean age of 70.2 years) from the National Health Interview Survey (NHIS, 2021). Status of visual, hearing, olfactory, and taste functions were self-reported in structured questionnaires. In NHANES, cognitive function was objectively measured by a battery of tests, including memory, verbal fluency, and processing speed. NHIS participants answered a single question about subjective cognitive complaints (SCC). We used regression models to assess the relation of the total number and the individual sensory impairments to z-scores of cognitive domains (linear regression) in NHANES and to SCC (logistic regression) in NHIS.
Results: A larger number of SI was related to poorer domain-specific cognitive function (all Ptrend <0.05), including memory (beta each additional SI = -0.12, 95% confidence interval: -0.17 to -0.08), verbal fluency (-0.05, -0.10 to -0.01), and processing speed (-0.13, -0.16 to -0.09). In NHIS, each additional SI was related to 96% higher odds of SCC. We also observed independent associations of sensory impairments (except olfactory impairment) with specific cognitive domains. In addition, each individual SI was associated with higher odds of SCC (the odds ratios ranged from 1.30 to 1.78).
Conclusion: A larger number of SI was related to worse cognitive function and higher odds of SCC.
期刊介绍：
Current Alzheimer Research publishes peer-reviewed frontier review, research, drug clinical trial studies and letter articles on all areas of Alzheimer’s disease. This multidisciplinary journal will help in understanding the neurobiology, genetics, pathogenesis, and treatment strategies of Alzheimer’s disease. The journal publishes objective reviews written by experts and leaders actively engaged in research using cellular, molecular, and animal models. The journal also covers original articles on recent research in fast emerging areas of molecular diagnostics, brain imaging, drug development and discovery, and clinical aspects of Alzheimer’s disease. Manuscripts are encouraged that relate to the synergistic mechanism of Alzheimer''s disease with other dementia and neurodegenerative disorders. Book reviews, meeting reports and letters-to-the-editor are also published. The journal is essential reading for researchers, educators and physicians with interest in age-related dementia and Alzheimer’s disease. Current Alzheimer Research provides a comprehensive ''bird''s-eye view'' of the current state of Alzheimer''s research for neuroscientists, clinicians, health science planners, granting, caregivers and families of this devastating disease.
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