Sense of control as a mediator of the association between social capital and health inequality in China

Yang HAN, Xi CHEN, Roger Yat-Nork CHUNG*

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

Abstract

Social capital was shown to be associated with health. However, less is known about the pathways of the association and whether the mediating effect of the pathways varies across different income groups. Using adults (≥18 years) data from the 2010 Chinese General Social Survey (N = 3265), we examined the mediating effect of sense of control between social capital and health and whether income groups moderated the mediating effect in China. Health and sense of control were factor scores. Social capital measurements included frequency of socializing, civic participation, trust, and reciprocity. We categorized equivalized household income into quintiles (Q1 (lowest income) to Q5 (highest income)). Multivariable linear regression models showed that frequency of socializing (β: 0.07; 95% CI: 0.04, 0.11), trust (β: 0.06; 95% CI: 0.02, 0.09), and reciprocity (β: 0.07; 95% CI: 0.03, 0.11) were positively associated with health. Moderated mediation analysis further showed that sense of control mediated the association between frequency of socializing and health in all income groups, with the mediating effect decreasing when income increased (β (95% CI) from Q1 to Q5: 0.026 (0.015, 0.040); 0.022 (0.012, 0.036); 0.018 (0.009, 0.030); 0.013 (0.005, 0.024); 0.008 (0.000, 0.018)). Moderated mediation analysis also showed the same patterns for the mediating effect of sense of control on the association between trust and health and reciprocity and health. Our study suggested that employing social capital to promote sense of control could not only be beneficial for people's health but also be helpful to narrow the health gap on the income gradient.
Original languageEnglish
Article number107382
JournalPreventive Medicine
Volume166
Early online date7 Dec 2022
DOIs
Publication statusPublished - Jan 2023

Bibliographical note

Funding Information:
We would like to acknowledge National Survey Research Center at Renmin University of China for collecting and releasing the data.

Publisher Copyright:
© 2022 Elsevier Inc.

Keywords

  • China
  • Health
  • Income
  • Moderated mediation
  • Sense of control
  • Social capital

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