Effectiveness of a 16-month multi-component and environmental school-based intervention for recovery of poor income overweight/obese children and adolescents: study protocol of the health multipliers program

Pollyanna Fernandes Patriota, Andrea Rocha Filgueiras, Viviane Belucci Pires de Almeida, Guilherme Aparecido Costa Alexmovitz, Carlos Eduardo da Silva, Vivian Fortuna Feres de Carvalho, Natália Carvalho, Maria Paula de Albuquerque, Semiramis Martins Alvares Domene, Wagner Luiz do Prado, Gustavo Enrique Salazar Torres, Ana Paula Reis de Oliveira, Ricardo Sesso, Ana Lydia Sawaya, Pollyanna Fernandes Patriota, Andrea Rocha Filgueiras, Viviane Belucci Pires de Almeida, Guilherme Aparecido Costa Alexmovitz, Carlos Eduardo da Silva, Vivian Fortuna Feres de Carvalho, Natália Carvalho, Maria Paula de Albuquerque, Semiramis Martins Alvares Domene, Wagner Luiz do Prado, Gustavo Enrique Salazar Torres, Ana Paula Reis de Oliveira, Ricardo Sesso, Ana Lydia Sawaya

Abstract

Background: Excess of weight is a serious public health concern in almost all countries, afflicting people of different ages and socioeconomic backgrounds. Studies have indicated the need for developing treatment strategies that intervene directly in the obesogenic environment. This study aims to evaluate the effectiveness of a multi-component and environmental school-based intervention, lasting 16 months, on the recovery of the nutritional status of low-income children and adolescents with overweight/ obesity.

Methods/study design: The study was conducted by the Center for Recovery and Nutritional Education (CREN) in São Paulo, Brazil. Two schools located in poor neighborhoods were selected for the intervention, between March 2016 and June 2017. The participants were all students aged 8 to 12 years from the two participating schools. At the beginning of the intervention, anthropometric measurements were carried out to assess the nutritional status of the students. For convenience, students from one of the schools were considered as the control group, while those from the other school formed the experimental group. The intervention in the experimental group (n = 438) consists of the following weekly activities at school: psychological counseling in groups, theoretical/practical nutrition workshops, and supervised physical education classes. In addition, theoretical and practical educational activities are held regularly for parents, teachers, and cooks. Students with excess of weight (≥1 body mass index [BMI] -for-age Z score, n = 138) received clinical and nutritional care periodically at the outpatient care at CREN. Students enrolled in the control group (n = 353) participated in psychological counseling groups and theoretical/practical nutrition workshops for 6 months held in the school environment to provide motivation to entire classrooms. In the following 10 months, students with excess of weight from the control group (n = 125) were invited to attend the routine outpatient care at CREN.

Discussion: This study is the first to assess the effectiveness of a multi-component and environmental school-based intervention for the recovery of low-income, overweight/obese children and adolescents. If positive, the results demonstrate the feasibility for the recovery of excess of weight in populations of similar conditions and age.

Trial registration: Brazilian Registry of Clinical Trials - ReBEC Primary Id Number RBR-9t2jr8 . Registration Date: Nov. 30, 2016. Retrospectively registered. Protocol version: 3.

Keywords: Clinical trials; Nutrition education; Obesity; Study protocol; Weight reduction programs.

Conflict of interest statement

Ethics approval and consent to participate

The parents and children willing to participate in the program were asked to sign the informed consent forms. The study protocol was approved by the Research Ethics Committee of Human Beings of the Federal University of São Paulo (CAAE: 34,304,714.40000.5505).

Consent for publication

Not Applicable.

Competing interests

The authors declare that they have no competing interests.

Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Figures

Fig. 1
Fig. 1
Description of the study and of the Health Multipliers Program Multiplicadores da Saúde (Health Multipliers)

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