Journal of Shandong University (Health Sciences) ›› 2021, Vol. 59 ›› Issue (11): 100-107.doi: 10.6040/j.issn.1671-7554.0.2021.0429

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Mediating effect of cognition on the relationship between social capital and functional health of elderly people

LIU Xinyu1,2, WANG Quan1,2,3, JU Haojie1,2, SUN Xiaojie1,2   

  1. 1. Centre for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China;
    2. NHC Key Lab of Health Economics and Policy Research(Shandong University), Jinan 250012, Shandong, China;
    3. Institute of Health Policy, Management and Evaluation(IHPME), University of Toronto, Toronto, Ontario Canada, M5S2Z9
  • Published:2021-11-11

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Abstract: Objective To estimate the mediating effect of cognition on the association between social capital and functional health. Methods The database of China Health and Retirement Longitudinal Study(CHARLS)was applied in the study and 4,451 seniors aged 60 years and above in Wave 4(2015)of the survey were retrieved. Social capital was measured by social trust, social support, social participation and reciprocity. The total effect was classified as direct effect and indirect effect through Logistic regression analysis based on the Karlson-Holm-Breen method. Results After the potential confounders were adjusted, including age, marital status, bank deposit, literacy, residence, smoking, drinking, sleep duration at night, self-rated health, chronic diseases and disability, older adults with high social trust(OR=1.249, 95%CI: 1.072-1.455), care(OR=1.351, 95%CI: 1.180-1.546)and social participation(OR=1.167, 95%CI: 1.021-1.334)had better functional health. Cognition played a mediating role in the total effect of social participation on functional health(OR=1.046, 95%CI: 1.008-1.085). The mediating effect of cognition accounted for 29.22% of the total effect. Conclusion Cognition has a mediating effect on the association between social capital and functional health. Improving the level of social capital of older adults can directly improve their functional health, and contribute to their physical function by enhancing cognition.

Key words: Functional health, Cognition, Social capital, Mediating effect

CLC Number: 

  • R193
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