Association of dual olfactory and hearing impairment with cognitive impairment among community-dwelling adults aged 65 years and above

WAN Hong; XU Lang; LI Lin; CHENG Guirong; LIU Dan; YU Yafu; HAN Gangbin; HUANG Linya; ZHANG Jingjing; ZENG Yan

doi:10.16462/j.cnki.zhjbkz.2023.08.006

Volume 27 Issue 8

Aug. 2023

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WAN Hong, XU Lang, LI Lin, CHENG Guirong, LIU Dan, YU Yafu, HAN Gangbin, HUANG Linya, ZHANG Jingjing, ZENG Yan. Association of dual olfactory and hearing impairment with cognitive impairment among community-dwelling adults aged 65 years and above[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2023, 27(8): 901-906. doi: 10.16462/j.cnki.zhjbkz.2023.08.006

Citation:

WAN Hong, XU Lang, LI Lin, CHENG Guirong, LIU Dan, YU Yafu, HAN Gangbin, HUANG Linya, ZHANG Jingjing, ZENG Yan. Association of dual olfactory and hearing impairment with cognitive impairment among community-dwelling adults aged 65 years and above[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2023, 27(8): 901-906. doi: 10.16462/j.cnki.zhjbkz.2023.08.006

Citation:

WAN Hong, XU Lang, LI Lin, CHENG Guirong, LIU Dan, YU Yafu, HAN Gangbin, HUANG Linya, ZHANG Jingjing, ZENG Yan. Association of dual olfactory and hearing impairment with cognitive impairment among community-dwelling adults aged 65 years and above[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2023, 27(8): 901-906. doi: 10.16462/j.cnki.zhjbkz.2023.08.006

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Association of dual olfactory and hearing impairment with cognitive impairment among community-dwelling adults aged 65 years and above

doi: 10.16462/j.cnki.zhjbkz.2023.08.006

Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan 430065, China

Funds:

National Key Research and Development Program of China 2020YFC2006000

National Natural Science Foundation of China 72174159

More Information

Corresponding author: ZENG Yan, E-mail: zengyan68@wust.edu.cn
Received Date: 2022-07-20
Rev Recd Date: 2022-10-01

Available Online: 2023-09-02

Publish Date: 2023-08-10

Abstract

Abstract

Objective To investigate the association between dual olfactory and hearing impairment and cognitive impairment in community-dwelling adults aged ≥65 years. Methods A total of 8 370 elderly people aged ≥65 years from the Hubei Memory and Aging Cohort Study were included. The participants were grouped by no olfactory and hearing impairment (NOHI), olfactory impairment only (OI), hearing impairment only (HI), and dual olfactory and hearing impairment (DOHI). Cognitive impairment includes mild cognitive impairment and dementia. Logistic regression was used to analyze the association between cognitive impairment and sensory function. Results The prevalence of olfactory impairment, hearing impairment, DOHI and cognitive impairment were 24.1% (95% CI: 23.2%-25.0%), 44.5% (95% CI: 43.4%-45.5%), 20.0% (95% CI: 19.1%-20.8%) and 26.3% (95% CI: 25.4%-27.3%) respectively, in community-dwelling old adults. All sensory impairment groups had significantly higher rates of cognitive impairment than those without sensory loss, and the prevalence of cognitive impairment in DOHI group was significantly higher than that in the other three groups. The DOHI individuals had increased odds of cognitive impairment than NOHI (OR=1.402), OI (OR=1.437) and HI (OR=1.403), after adjusting for sociodemographic factors, lifestyle and chronic diseases. Conclusions The risk of cognitive impairment in older people with dual olfactory and hearing impairment in the Chinese community is significantly higher than that of people without sensory impairment, and also higher than those with only one sensory impairment. Dual sensory impairment is a high risk factor for cognitive impairment.
- Dual olfactory and hearing impairment,
- Olfactory impairment,
- Hearing impairment,
- Cognitive impairment,
- Community-dwelling old adults

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References(21)

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