• Mahshid Namdari, Alireza Abadi, S Mahmoud Taheri, Mansour Rezaei, Naser Kalantari, and Nasrin Omidvar.
• Department of Biostatistics, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
• Nutrition. 2014 Mar 1;30(3):274-8.

ObjectiveReduced appetite and low food intake are often a concern in preschool children, since it can lead to malnutrition, a leading cause of impaired growth and mortality in childhood. It is occasionally considered that folic acid has a positive effect on appetite enhancement and consequently growth in children. The aim of this study was to assess the effect of folic acid on the appetite of preschool children 3 to 6 y old.MethodsThe study sample included 127 children ages 3 to 6 who were randomly selected from 20 preschools in the city of Tehran in 2011. Since appetite was measured by linguistic terms, a fuzzy logistic regression was applied for modeling. The obtained results were compared with a statistical ordinal logistic model.ResultsAfter controlling for the potential confounders, in a statistical ordinal logistic model, serum folate showed a significantly positive effect on appetite. A small but positive effect of folate was detected by fuzzy logistic regression. Based on fuzzy regression, the risk for poor appetite in preschool children was related to the employment status of their mothers.ConclusionsIn this study, a positive association was detected between the levels of serum folate and improved appetite. For further investigation, a randomized controlled, double-blind clinical trial could be helpful to address causality.Copyright © 2014 Elsevier Inc. All rights reserved.

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