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Published in: BMC Geriatrics 1/2021

Open Access 01-12-2021 | Research

Tea consumption and serum uric acid levels among older adults in three large-scale population-based studies in China

Authors: Dan-Dan Chen, Xing-Xuan Dong, Xue-Jiao Yang, Hong-Peng Sun, Gang Liang, Xing Chen, Chen-Wei Pan

Published in: BMC Geriatrics | Issue 1/2021

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Abstract

Background and aims

The association between serum uric acid (SUA) and tea consumption has been studied in previous work, and there were arguments among various population group employed as well as different statistical approaches. The aim of this work is to investigate the tea effect on SUA levels among older adults by comparing three large-scale populations with both cross-sectional and longitudinal analyses.

Method

We examined the relationship between intake and SUA levels among older adults using linear regression. All the studies include the parameters SUA levels, tea intake, age, sex, education level, smoking status, alcohol drinking status, body mass index (BMI), and health history (diabetes, hypertension, and fasting plasma glucose). The cross-sectional analyses were conducted with 4579 older adults in the Weitang Geriatric Diseases Study (WGDS, ≥60 years), 2440 in the China Health and Nutrition Survey (CHNS, ≥60 years) and 1236 in the Chinese Longitudinal Healthy Longevity Survey (CLHLS, ≥62 years); and the longitudinal analyses were performed with 3870 (84.5%) in the WGDS and 420 (34.0%) in the CLHLS. Multivariable linear regression analyses were performed in both cross-sectional and longitudinal studies.

Results

Cross-sectional studies showed that tea consumers tended to have higher SUA levels than non-tea consumers in all the three datasets (P < 0.05). However, longitudinal associations of SUA levels with tea consumption had no statistical significance (P>0.05). The results of sex-stratified analyses were consistent with those of the whole datasets.

Conclusions

This work implied that any possible association between tea consumption and SUA levels could be very weak.
Literature
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Metadata
Title
Tea consumption and serum uric acid levels among older adults in three large-scale population-based studies in China
Authors
Dan-Dan Chen
Xing-Xuan Dong
Xue-Jiao Yang
Hong-Peng Sun
Gang Liang
Xing Chen
Chen-Wei Pan
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Geriatrics / Issue 1/2021
Electronic ISSN: 1471-2318
DOI
https://doi.org/10.1186/s12877-021-02216-8

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