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Related factors of cognitive impairment in community-dwelling older adults in Beijing Longitudinal Study of Aging

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Abstract

Objectives

To investigate the prevalence and related factors of cognitive impairment in community-dwelling older residents in Beijing, China.

Methods

This is a cross-sectional study. A total of 2017 older individuals aged ≥ 60 years from Beijing Longitudinal Study of Aging were included in this study. Information on demographic characteristics, life style, chronic disease and geriatric syndromes was collected. Cognitive function was assessed by Mini-Mental State Examination.

Results

The prevalence of cognitive impairment was 13.6% in community-dwelling older residents in Beijing. The prevalence of cognitive impairment was higher in women than it was in men and in rural areas than it was in urban areas, and increased with age. Logistic regression showed that older age [odds ratio (OR) = 1.496–3.033, P < 0.001], illiteracy (OR = 1.200–2.434, P = 0.003), low income (OR = 1.268–3.906, P = 0.005), less social participation (OR = 1.011–2.147, P = 0.044), stroke (OR = 1.410–3.305, P < 0.001), hearing loss (OR = 1.231–2.295, P = 0.001), depression (OR = 1.115–2.385, P = 0.012) and disability (OR = 2.315–4.681, P < 0.001) were independent risk factors for cognitive impairment.

Conclusions

The prevalence of cognitive impairment among the older adults in Beijing was high. More attention should be paid to the identification of and intervention for factors influencing cognitive impairment, and health education should be carried out to improve the quality of life of the older adults.

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Funding

This work was supported by National Natural Science Foundation of China (81600927) and Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201706).

Author information

Authors and Affiliations

  1. Beijing Geriatric Healthcare Center, Beijing Institute of Geriatrics, Beijing Institute for Brain Disorders, Key Laboratory on Neurodegenerative Disease of Ministry of Education, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China

    Rui Han, Zhe Tang & Lina Ma

  2. Department of Geriatrics, China National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China

    Rui Han & Lina Ma

Authors
  1. Rui Han
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  2. Zhe Tang
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  3. Lina Ma
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Corresponding authors

Correspondence to Zhe Tang or Lina Ma.

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The authors report no conflicts of interest.

Ethical approval

The study was approved by ethics committee of Xuanwu Hospital, Capital Medical University

Informed consent

Informed consent was obtained from the participants.

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Han, R., Tang, Z. & Ma, L. Related factors of cognitive impairment in community-dwelling older adults in Beijing Longitudinal Study of Aging. Aging Clin Exp Res 31, 95–100 (2019). https://doi.org/10.1007/s40520-018-0943-8

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  • DOI: https://doi.org/10.1007/s40520-018-0943-8

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