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Correlates of Mild Cognitive Impairment of Community-Dwelling Older Adults in Wuhan, China

Author

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  • Xiaojun Liu

    (School of Health Sciences, Wuhan University, 115# Donghu Road, Wuhan 430071, China
    Global Health Institute, Wuhan University, 8# South Donghu Road, Wuhan 430072, China
    These authors contributed equally to this work.)

  • Xiao Yin

    (School of Health Sciences, Wuhan University, 115# Donghu Road, Wuhan 430071, China
    College of Public Administration, Huazhong University of Science and Technology, 1037# Luoyu Road, Wuhan 430074, China
    These authors contributed equally to this work.)

  • Anran Tan

    (School of Health Sciences, Wuhan University, 115# Donghu Road, Wuhan 430071, China)

  • Meikun He

    (School of Health Sciences, Wuhan University, 115# Donghu Road, Wuhan 430071, China)

  • Dongdong Jiang

    (School of Health Sciences, Wuhan University, 115# Donghu Road, Wuhan 430071, China)

  • Yitan Hou

    (School of Health Sciences, Wuhan University, 115# Donghu Road, Wuhan 430071, China)

  • Yuanan Lu

    (Global Health Institute, Wuhan University, 8# South Donghu Road, Wuhan 430072, China
    Department of Public Health Sciences, University of Hawaii at Mānoa, 1960 East-West Road, Honolulu, HI 96822, USA)

  • Zongfu Mao

    (School of Health Sciences, Wuhan University, 115# Donghu Road, Wuhan 430071, China
    Global Health Institute, Wuhan University, 8# South Donghu Road, Wuhan 430072, China)

Abstract

Mild cognitive impairment (MCI) is an early stage of Alzheimer’s disease or other forms of dementia that occurs mainly in older adults. The MCI phase could be considered as an observational period for the secondary prevention of dementia. This study aims to assess potential differences in the risk of MCI among different elderly groups in Wuhan, China, and to further identify the most vulnerable populations using logistic regression models. A total of 622 older adults participated in this study, and the prevalence of MCI was 34.1%. We found that individuals aged 80–84 (odds ratio, OR = 1.908, 95% confidence interval, 95% CI 1.026 to 3.549) or above (OR = 2.529, 95% CI 1.249 to 5.122), and those with two chronic diseases (OR = 1.982, 95% CI 1.153 to 3.407) or more (OR = 2.466, 95% CI 1.419 to 4.286) were more likely to be diagnosed with MCI. Those with high school degrees (OR = 0.451, 95% CI 0.230 to 0.883) or above (OR = 0.318, 95% CI 0.129 to 0.783) and those with a family per-capita monthly income of 3001–4500 yuan (OR = 0.320, 95% CI 0.137 to 0.750) or above (OR = 0.335, 95% CI 0.135 to 0.830) were less likely to experience MCI. The results also showed that those aged 80 or above were more likely to present with cognitive decline and/or reduced activities of daily living (ADL) function, with the odds ratios being 1.874 and 3.782, respectively. Individuals with two, or three or more chronic diseases were more likely to experience cognitive decline and/or reduced ADL function, with odds ratios of 2.423 and 2.631, respectively. Increased risk of suffering from either MCI and/or decline in ADL functioning is strongly positively associated with older age, lower educational levels, poorer family economic status, and multiple chronic diseases. Our findings highlight that the local, regional, and even national specific MCI-related health promotion measures and interventions must target these vulnerable populations.

Suggested Citation

  • Xiaojun Liu & Xiao Yin & Anran Tan & Meikun He & Dongdong Jiang & Yitan Hou & Yuanan Lu & Zongfu Mao, 2018. "Correlates of Mild Cognitive Impairment of Community-Dwelling Older Adults in Wuhan, China," IJERPH, MDPI, vol. 15(12), pages 1-13, November.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:12:p:2705-:d:186727
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    References listed on IDEAS

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    1. Jongnam Hwang & Sangmin Park & Sujin Kim, 2018. "Effects of Participation in Social Activities on Cognitive Function Among Middle-Aged and Older Adults in Korea," IJERPH, MDPI, vol. 15(10), pages 1-12, October.
    2. Mark Yates & Jennifer J. Watts & Kasia Bail & Mohammadreza Mohebbi & Sean MacDermott & Jessica C. Jebramek & Henry Brodaty, 2018. "Evaluating the Impact of the Dementia Care in Hospitals Program (DCHP) on Hospital-Acquired Complications: Study Protocol," IJERPH, MDPI, vol. 15(9), pages 1-11, August.
    3. Cristina Gagliardi & Roberta Papa & Demetrio Postacchini & Cinzia Giuli, 2016. "Association between Cognitive Status and Physical Activity: Study Profile on Baseline Survey of the My Mind Project," IJERPH, MDPI, vol. 13(6), pages 1-7, June.
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