Daily Tea Drinking is Not Associated with Newly Diagnosed Non-alcoholic Fatty Liver Disease in Chinese Adults: the Tianjin Chronic Low-grade Systemic Inflammation and Health Cohort Study

Overview

Journal Nutr J

Publisher Biomed Central

Specialty Nutritional Sciences

Date 2019 Nov 13

PMID 31711498

Citations 5

Authors

Yang Xia

Xuena Wang

Shunmin Zhang

Qing Zhang

Li Liu

Ge Meng

Hongmei Wu

Xue Bao

Yeqing Gu

Shaomei Sun

Xing Wang

Ming Zhou

Qiyu Jia

Kun Song

Qijun Wu

Kaijun Niu

Yuhong Zhao

Affiliations

Soon will be listed here.

Abstract

Background: Previous studies have reported that tea extract supplementation has potential benefits on the risk factors of non-alcoholic fatty liver disease (NAFLD); however, no study has investigated the direct effect of daily tea consumption on the prevalence of NAFLD in the general population. This cross-sectional study aimed to evaluate the associations between tea consumption and the prevalence of newly diagnosed NAFLD among Chinese adults.

Methods: The present cross-sectional study was based on the Tianjin Chronic Low-grade Systemic Inflammation and Health Cohort Study. In total, 19,350 participants were enrolled in the analyses. Tea consumption was assessed via a self-administered food frequency questionnaire. NAFLD was diagnosed via liver ultrasonography and no history of heavy alcohol intake. Logistic regression analysis was used to estimate the associations between tea consumption and the prevalence of NAFLD.

Results: Consumption of green tea, oolong tea, and black tea were positively associated with the prevalence of newly diagnosed NAFLD before adjustments. Compared with the participants who never drink tea, the odds ratios (95% confidence interval) of newly diagnosed NAFLD in the highest categories (≥ 1 cup/day) of green tea, oolong tea, black tea, and jasmine tea were 1.48 (1.33, 1.65), 1.50 (1.33, 1.68), and 1.28 (1.13, 1.46), and 1.36 (1.20, 1.54) before adjustments, respectively. However, no significant association was found between tea consumption and the prevalence of NAFLD after adjusting for socio-demographic, behavioural, anthropometric, dietary, and clinical confounding factors.

Conclusion: There is no significant association between daily tea drinking and newly-diagnosed NAFLD in general Chinese adults.

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