ArticleFrontiers in nutrition2026
Association between waist-to-height ratio and cognitive impairment among community-dwelling elderly adults in Laoshan, Qingdao: a cross-sectional study.
Article in Frontiers in nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: This study investigated the association between waist-to-height ratio (WHtR) and cognitive impairment in community-dwelling elderly individuals in Laoshan district, Qingdao, China, focusing on the dose-response relationship. Methods: We conducted a community-based cross-sectional study, enrolling 3,093 elderly residents aged 60-80 years from urban and rural areas in Laoshan District. Data on demographic characteristics, lifestyle factors, medical comorbidities, and standardized anthropometric measurements (height, weight, waist circumference) were collected. WHtR was calculated as waist circumference (cm) divided by height (cm) and categorized into quartiles. Cognitive function was assessed using the Chinese version of the montreal cognitive assessment basic (MoCA-B). Univariate and multivariate logistic regression analyses were performed to examine the independent association between WHtR and cognitive impairment risk. Restricted cubic spline (RCS) regression and breakpoint analysis assessed the non-linear relationship. Results: The association was evaluated using the third WHtR quartile (Q3: 0.5823 ≤ WHtR < 0.6049) as the reference. Multivariate logistic regression revealed that, after adjusting for major comorbidities, the Q1 group (WHtR < 0.5556), and Q4 group (WHtR ≥ 0.6049) showed significantly higher risks of cognitive impairment (odds ratios [OR] = 1.93 and 2.79, respectively; both Conclusion: This study demonstrates a significant non-linear dose-response relationship between WHtR and cognitive function in older adults. Excessive abdominal adiposity beyond a critical threshold negatively impacts cognitive function. Weight management programs for older adults should emphasize maintaining optimal body weight to support cognitive health.
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