Incidence and risk factors of dementia and the primary subtypes in northern rural China.

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Abstrakt

Tytuł:: Incidence and risk factors of dementia and the primary subtypes in northern rural China.
Autorzy:: Gu X; Department of Psychiatry, Tianjin Jianhua Hospital.
Shi Z; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Liu S; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Guan Y; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Lu H; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Zhang Y; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Zhang M; Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin.
Liu S; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Yue W; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Wu H; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Wang X; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Zhang Y; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.
Ji Y; Department of Neurology and Tianjin Key Laboratory of Cerebrovascular Disease and Neurodegenerative Disease, Tianjin Dementia Institute, Tianjin Huanhu Hospital.; Department of Neurology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Źródło:: Medicine [Medicine (Baltimore)] 2021 Apr 02; Vol. 100 (13), pp. e25343.
Typ publikacji:: Journal Article; Observational Study
Język:: English
Imprint Name(s):: Original Publication: Hagerstown, Md : Lippincott Williams & Wilkins
MeSH Terms:: Alzheimer Disease/*epidemiology
Dementia, Vascular/*epidemiology
Rural Population/*statistics & numerical data
Age Factors ; Aged ; Aged, 80 and over ; Alzheimer Disease/diagnosis ; China/epidemiology ; Dementia, Vascular/diagnosis ; Educational Status ; Female ; Follow-Up Studies ; Humans ; Incidence ; Longitudinal Studies ; Male ; Middle Aged ; Protective Factors ; Risk Factors ; Sex Factors ; Social Participation
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Grant Information:: 81571057 Natural Science Foundation of China; 16ZXMJSY00010 Tianjin Science and Technology Project
Entry Date(s):: Date Created: 20210331 Date Completed: 20210414 Latest Revision: 20230103
Update Code:: 20240104
PubMed Central ID:: PMC8021353
DOI:: 10.1097/MD.0000000000025343
PMID:: 33787634
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Abstract: This study was carried out to estimate the incidence and to determine socio-demographic risk factors for dementia among individuals residing in rural northern China.The current prospective, population-based study was conducted between 2011 and 2016. Follow-up interviews were conducted annually from 2014 to 2016. The study involved 1511 dementia-free individuals aged 60 years or above from rural China. Standard criteria were used to make diagnoses for dementia and Alzheimer disease (AD).At least one follow up survey was completed with 1181 study participants. At the 5-year follow-up, 127 individuals had developed dementia, 75 had developed AD, and 32 had developed vascular dementia (VaD). With a total of 5649.2 risk years for the sample, the estimated incidence rates per 1000 person-years were 22.48 (95% CI: 18.62, 26.35) for dementia and 13.28 (95% CI: 10.29, 16.26) for AD. Incidence rates for dementia and AD increased with age across the 10-year age groups. Poor education (illiteracy) was an independent risk factor for both AD and VaD. Being engaged in social activities was an independent protective factor for VaD.The incidence of dementia in rural China was found to be higher than previously reported. Incidence of dementia increased with age, and AD was the most frequent type of dementia. Poor education was associated with a higher risk of VaD and AD. Engagement in social activities was an independent protective factor for VaD.
Competing Interests: The authors have no conflicts of interests to disclose.
(Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.)

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