Association between habitual yogurt consumption and newly diagnosed non-alcoholic fatty liver disease

Shunming Zhang,Jingzhu Fu,Qing Zhang,Li Liu,Min Lu,G. Meng,Zhanxin Yao,Hongmei Wu,Yang Xia,X. Bao,Yeqing Gu,Shaomei Sun,Xing Wang,Ming Zhou,Q. Jia,K. Song,Yun-tang Wu,H. Xiang,K. Niu

Published 2019 in European Journal of Clinical Nutrition

ABSTRACT

Background/Objectives Many studies have suggested that probiotics may be applied as a therapeutic agent for non-alcoholic fatty liver disease (NAFLD). However, the effects of frequent yogurt consumption (as a natural probiotic source) on NAFLD remain poorly understood. This study was to examine the association of habitual yogurt consumption with newly diagnosed NAFLD in the general adult population. Subject/Methods Overall, 24,389 adults were included in this cross-sectional study. Yogurt consumption was estimated by using a validated self-administered food frequency questionnaire. NAFLD was diagnosed by abdominal ultrasonography. We used logistic regression models to assess the association between yogurt consumption categories and newly diagnosed NAFLD. Results The multivariable odds ratios with 95% confidence interval of newly diagnosed NAFLD were 1.00 (0.88, 1.14) for 1 time/week, 0.91 (0.81, 1.02) for 2–3 times/week, and 0.86 (0.76, 0.98) for ≥4 times/week ( P for trend = 0.01), compared with those who consumed <1 time/week yogurt. The inverse association was observed in a sensitivity analysis. Conclusion Higher yogurt consumption was inversely associated with the prevalence of newly diagnosed NAFLD. These results are needed to be confirmed in randomized controlled trials or prospective studies.

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