Volume 20 Issue 8
Aug.  2022
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Article Navigation >  Chinese Journal of General Practice  > 2022  >  20(8): 1363-1366
DONG Ya-qin, WANG Wei-qiang. Correlation study between subjective cognitive decline and grip strength in elderly community population[J]. Chinese Journal of General Practice, 2022, 20(8): 1363-1366. doi: 10.16766/j.cnki.issn.1674-4152.002598
Citation: DONG Ya-qin, WANG Wei-qiang. Correlation study between subjective cognitive decline and grip strength in elderly community population[J]. Chinese Journal of General Practice, 2022, 20(8): 1363-1366. doi: 10.16766/j.cnki.issn.1674-4152.002598
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Correlation study between subjective cognitive decline and grip strength in elderly community population

doi: 10.16766/j.cnki.issn.1674-4152.002598

  • Department of General Practice, Suzhou Hospital of Anhui Medical University (Suzhou Municipal Hospital of Anhui Province), Suzhou, Anhui 234000, China

Funds:

 202106f01050042

  • Received Date: 2021-12-28
    Available Online: 2022-09-26
    Abstract
  •   Objective  To explore the relationship between subjective cognitive decline (SCD) and grip strength and identify related risk factors in the elderly population in a certain community.  Methods  A total of 264 permanent residents in a community in Suzhou, Anhui Province, were selected as research objects by convenient sampling method from January to March of 2021.According to the evaluation results of subjective cognitive decline questionnaire 9(SCD-Q9), they were divided into two groups: the SCD group (153 cases) and the healthy control group (111 cases).General information questionnaire survey, physical examination, biochemical indexes and other related examinations were conducted.The test results of the two groups were collected for comparison.The relationship between grip strength and subjective cognitive decline was analysed by logistic regression analysis and step-to-step selection method, which included confounding factors such as gender and age into the regression model.  Results  (1) There were 153 cases of subjective cognitive decline in 264 subjects, accounting for 57.95%.(2) The grip strength of the SCD group (23.08±3.09) kg was significantly lower than that of the control group (27.99±4.79) kg, and the difference was statistically significant (t=8.475, P < 0.001).(3) Statistically significant differences in age, sex and sleep status were noted between the two groups (P < 0.05).(4) Logistic regression analysis showed a correlation between grip strength and subjective cognitive decline without adjusting for confounding factors (OR=0.723, 95%CI: 0.664-0.788, P < 0.001), as well as a correlation between grip strength and subjective cognitive decline after adjusting for corresponding confounding factors (OR=0.716, 95%CI: 0.653-0.786, P < 0.001).  Conclusion  Low grip strength, female, advanced age and insomnia are the risk factors for SCD.The measurement of grip strength has the advantages of simplicity, low cost and strong operability, and it can be used as an index for community assessment of cognitive decline within a population.

     

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