Ultra-Processed Food Consumption and Adult Diabetes Risk: A Systematic Review and Dose-Response Meta-Analysis

Overview

Journal Nutrients

Date 2021 Dec 28

PMID 34959961

Citations 30

Authors

Sajjad Moradi

Mohammad Ali Hojjati Kermani

Reza Bagheri

Hamed Mohammadi

Ahmad Jayedi

Melissa M Lane

Omid Asbaghi

Sanaz Mehrabani

Katsuhiko Suzuki

Affiliations

Soon will be listed here.

Abstract

(1) Background: Recent individual studies have demonstrated that consumption of ultra-processed food (UPF) may be related to type two diabetes mellitus (T2DM). We aimed to synthesize the results from these individual studies by conducting an updated systematic review and meta-analysis of observational studies evaluating the association between UPF consumption and the risk of T2DM. (2) Methods: A systematic search was conducted using ISI Web of Science, PubMed/MEDLINE and Scopus electronic databases from inception up to August 2021. Data were extracted from five studies (one cross-sectional study and four cohort studies, totaling 230,526 adults from four different countries). Risk ratios (RR) of pooled results were estimated using a random-effects model. (3) Results: Our results revealed that higher UPF consumption was significantly associated with an increased risk of T2DM (RR = 1.74; 95% CI: 1.36, 2.22; I = 68.9%; < 0.001; = 5). Linear dose-response analysis indicated that each 10% increase in UPF consumption (kcal/d) was associated with a 15% higher risk of T2DM (RR = 1.15; 95% CI: 1.06, 1.26; I = 86.0%; < 0.001; = 5) among adults. Non-linear dose-response analysis demonstrated a positive linear association between UPF consumption and T2DM ( = 0.13, < 0.001; = 5) among adults. (4) Conclusions: A higher intake of UPF was significantly associated with an increased risk of T2DM. However, underlying mechanisms remain unknown and future experimental studies are warranted.

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