Observational studyMedicine2026
Association between fear states and cognitive impairment: A cross-sectional observational study based on the China Health and Retirement Longitudinal Study (CHARLS).
Observational study in Medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
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Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
As global populations age, the prevalence of cognitive impairment continues to rise, increasing the burden on families and society. This study examined the relationship between anxiety and cognitive function. Using nationally representative data from China Health and Retirement Longitudinal Study (CHARLS), this observational cohort study evaluated the association between fear states and cognitive impairment to provide objective scientific evidence on the potential causes of cognitive decline and to inform early prevention and treatment strategies. In this study, the prevalence of cognitive impairment was significantly higher among participants in the fearful group. After adjustment for multiple covariates, fearful state remained independently associated with cognitive impairment (odds ratio = 2.38, 95% confidence interval = 1.24-4.59, P = 9.52 × 10-3). Smooth curve fitting additionally confirmed this positive association. These findings demonstrate a significant association between fear state and cognitive impairment, highlighting the need to consider emotional well-being in cognitive health assessments.
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Registered trials
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