Vegan diet, processed foods, and body weight: a secondary analysis of a randomized clinical trial.

ABSTRACT: Low-fat plant-based diets cause weight loss in clinical trials. However, many foods are highly processed, raising the question as to their effect on body weight. This secondary analysis assessed the associations between changes in processed food intake and weight loss in 244 overweight adults randomly assigned to a vegan (n = 122) or control group (n = 122) for 16 weeks. Three-day dietary records were analyzed using the NOVA system, which categorizes foods from 1 to 4, based on degree of processing. A repeated measure ANOVA, Pearson correlations, and a multivariate regression model were used for statistical analysis. The consumption of animal foods in categories 1-4 decreased in the vegan group, compared with the control group. Body weight decreased in the vegan group (treatment effect - 5

SUBMITTER: Kahleova H 

PROVIDER: S-EPMC11898994 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature