Associations between Plant-Based Dietary Patterns and Sensory Impairments among Chinese Older Adults: Based on the Chinese Longitudinal Healthy Longevity Survey.

IF 3.1 3区医学 Q3 GERIATRICS & GERONTOLOGY Gerontology Pub Date : 2024-01-01 Epub Date: 2024-08-02 DOI:10.1159/000540611

Xingxu Song, Zhong Tian, Kexin Jiang, Kai He, Yuhan Huang, Chengxiang Hu, Xue He, Lina Jin, Yuchun Tao

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Abstract

Introduction: The aim of this study was to investigate the relationship between the plant-based dietary index and vision impairment (VI), hearing impairment (HI), and dual sensory impairment (DSI) among Chinese aged 65 and older.

Methods: Based on the 2018 data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS), a cross-sectional study was conducted on 14,859 samples. The assessment of dietary quality utilized the plant-based diet index (PDI), healthy plant-based diet index (hPDI), and unhealthy plant-based diet index (uPDI). Logistic regression analysis was used to examine the associations between PDIs and sensory impairments. Additionally, restricted cubic spline analysis was utilized to investigate the nonlinear association between PDIs and sensory impairments.

Results: Participants in the highest quintile of PDI exhibited reduced prevalence of VI (OR 0.78, 95% CI: 0.67-0.90, ptrend <0.001), HI (OR 0.83, 95% CI: 0.70-0.99, ptrend <0.001), and DSI (OR 0.62, 95% CI: 0.51-0.77, ptrend <0.001) relative to those in the lowest quintile. Moreover, individuals who ranked in the highest quintile for hPDI exhibited a 25% reduced risk of VI disease. Conversely, those in the highest quintile of uPDI were associated with increased prevalence of VI (OR 1.37, 95% CI: 1.17-1.61, ptrend <0.001), HI (OR 1.36, 95% CI: 1.12-1.65, ptrend <0.001), and DSI (OR 1.56, 95% CI: 1.25-1.95, ptrend <0.001). The relationship between PDIs increasing by every 10 units and sensory impairments showed similar patterns. Notably, hPDI demonstrated a nonlinear relationship with HI (pfor nonlinearity = 0.001), while the others exhibited linear associations.

Conclusion: The increase in PDI and hPDI correlates with a reduced prevalence of one or more sensory impairments. Conversely, an increase in uPDI is associated with an elevated prevalence of multiple sensory impairments. Our study findings emphasize the significance of plant-based food quality, advocating for adherence to a plant-based dietary pattern while reducing the intake of less healthy plant foods and animal-based products.

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中国老年人植物性膳食模式与感官障碍之间的关系：基于中国健康长寿纵向调查。

摘要研究65岁及以上中国老年人的植物性膳食指数与视力障碍（VI）、听力障碍（HI）和双感官障碍（DSI）的关系：基于 2018 年中国健康长寿纵向调查（CLHLS）数据，对 14859 份样本进行了横断面研究。膳食质量评估采用植物性膳食指数（PDI）、健康植物性膳食指数（hPDI）和不健康植物性膳食指数（uPDI）。逻辑回归分析用于研究 PDI 与感官障碍之间的关联。此外，还采用了限制性立方样条分析来研究PDI与感官障碍之间的非线性关联：结果：与最低五分位数的参与者相比，PDI最高五分位数的参与者的VI（OR 0.78，95%CI:0.67-0.90，Ptrend <0.001）、HI（OR 0.83，95%CI:0.70-0.99，Ptrend <0.001）和DSI（OR 0.62，95%CI:0.51-0.77，Ptrend <0.001）患病率较低。此外，hPDI最高五分位数的人罹患VI疾病的风险降低了25%。相反，uPDI 最高五分位数与 VI（OR 1.37，95% CI：1.17-1.61，Ptrend <0.001）、HI（OR 1.36，95% CI：1.12-1.65，Ptrend <0.001）和 DSI（OR 1.56，95% CI：1.25-1.95，Ptrend <0.001）患病率增加有关。PDIs 每增加 10 个单位与感觉障碍之间的关系显示出类似的模式。值得注意的是，hPDI 与 HI 呈非线性关系（非线性 P = 0.001），而其他则呈线性关系：结论：PDI 和 hPDI 的增加与一种或多种感官障碍患病率的降低相关。结论：PDI 和 hPDI 的增加与一种或多种感官障碍发生率的降低有关，相反，uPDI 的增加与多种感官障碍发生率的升高有关。我们的研究结果强调了以植物为基础的食品质量的重要性，提倡坚持以植物为基础的饮食模式，同时减少健康程度较低的植物食品和动物性产品的摄入。

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来源期刊

Gerontology 医学-老年医学

CiteScore

6.00

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： In view of the ever-increasing fraction of elderly people, understanding the mechanisms of aging and age-related diseases has become a matter of urgent necessity. ''Gerontology'', the oldest journal in the field, responds to this need by drawing topical contributions from multiple disciplines to support the fundamental goals of extending active life and enhancing its quality. The range of papers is classified into four sections. In the Clinical Section, the aetiology, pathogenesis, prevention and treatment of agerelated diseases are discussed from a gerontological rather than a geriatric viewpoint. The Experimental Section contains up-to-date contributions from basic gerontological research. Papers dealing with behavioural development and related topics are placed in the Behavioural Science Section. Basic aspects of regeneration in different experimental biological systems as well as in the context of medical applications are dealt with in a special section that also contains information on technological advances for the elderly. Providing a primary source of high-quality papers covering all aspects of aging in humans and animals, ''Gerontology'' serves as an ideal information tool for all readers interested in the topic of aging from a broad perspective.