Impact and Heterogeneity of Self-reported Hearing on Trajectories of Cognitive Function in Middle-Aged and Older Couples

Xinfeng Wang and Xin Ye

The Journals of Gerontology: Series B, 2025, vol. 80, issue 3, e5904-963

Abstract: ObjectivesHearing status is identified as a significant predictor of cognitive function. The life course principle of linked lives posits that the lives of couples often become increasingly interconnected or embedded over time, thereby cumulatively intensifying their influence on spouse’s health and well-being. We aim to examine the impact of self-reported hearing on cognitive function among married couples across adulthood and whether there is heterogeneity in the associations.MethodsUtilizing data from the 2011, 2013, 2015, to 2018 waves of the China Health and Retirement Longitudinal Study (n = 2,847 middle-aged and older couples, totaling 5,694 observations across all waves), we employ the growth curve model to examine the impact of self-reported hearing, both individually and from spouses, on the age-related trajectories of cognitive function.ResultsThis study demonstrates that poor self-reported hearing is significantly associated with worse cognitive function compared with those with good hearing. Additionally, there is a significant temporal association between poor spousal hearing and cognitive decline, compared with individuals whose spouses have good hearing. Heterogeneity analysis shows that the association between poor spousal hearing and increasing cognitive disadvantage across time is particularly significant among men and rural residents.DiscussionThis research provides new evidence of the longitudinal association between hearing and cognitive function among married couples, thus contributing to a growing body of literature documenting the importance of understanding how spousal health conditions affect health trajectories.

Keywords: Cognitive decline; Life course; Spouses (search for similar items in EconPapers)
Date: 2025
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The Journals of Gerontology: Series B is currently edited by Psychological Sciences - S. Duke Han, PhD and Social Sciences - Jessica A Kelley, PhD, FGSA

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