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A systematic review of educational nutrition interventions based on behavioral theories in school adolescents
Ana Silvia Flores-Vázquez1, Norma Patricia Rodríguez-Rocha2, Dulce Daniela Herrera-Echauri3
1Department of Human Reproduction, Growth and Child Development, University Center of Health Sciences, University of Guadalajara, Hospital 320, El Retiro, Guadalajara, Jalisco, ZC 44100, Mexico.
Abstract:
The purpose of this study was to summarize the evidence from studies conducted on adolescents, evaluating educational nutrition interventions for the modification of food consumption through controlled trials based on behavior change theories or models and implemented in school settings. A systematic search was carried out through PubMed and ERIC databases between November and December 2020, and updated in February 2023; English-language keywords were used, and no publication date limits were applied. Two authors independently performed the search, data extraction, data synthesis and risk of bias assessment. Twelve studies meeting the inclusion criteria were included. The interventions were based on different theories; the most used was the Social Cognitive Theory. Eleven of the twelve studies showed favorable modifications in the consumption of at least two of the food groups. Most studies were at low risk of bias, and only one was classified as high risk. It is concluded that educational nutrition interventions based on behavior change theories/models and implemented in the school setting influence positive changes in adolescents eating behavior.
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