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Revista Española de Nutrición Humana y Dietética
On-line version ISSN 2174-5145Print version ISSN 2173-1292
Abstract
GONZALEZ CESPEDES, Laura et al. Design of a multi-component controlled randomized community study for obesity prevention in school children: research protocol. Rev Esp Nutr Hum Diet [online]. 2020, vol.24, n.4, pp.389-397. Epub Oct 25, 2021. ISSN 2174-5145. https://dx.doi.org/10.14306/renhyd.24.4.1024.
Introduction
The aim was to design a multi-component randomized controlled community study and evaluate its effect in the prevention of obesity in schoolchildren from the department of Caaguazú, Paraguay.
Material and Methods
Design: randomized controlled community trial. Setting: 16 public and private schools in the urban and rural area of the Department of Caaguazú, Paraguay. Participants and intervention: 16 schools will be randomly assigned to two groups. Intervention group, they will receive a nutritional education and physical activity program in the school environment for 6 months. Control group will receive 3 educational talks in the same period. Main outcome measure: primary (thickness of skin folds), secondary (Z body mass index, nutritional knowledge, fruits and vegetables consumption, physical activity level) and demographic variables (sex, age and area). All variables will be measured at baseline and at the end of the study, using calibrated tools, validated questionnaires, and protocols. Analysis: descriptive statistics will be used, in addition to the Student T test and Chi2 to establish differences. Crude and adjusted linear regression and logistic models will be run.
Ethics and Dissemination
The study protocol has been evaluated and approved by the Research Ethics Committee of the National University of Caaguazú. Institutional (schools) and individual (parents) informed consent and children's assent will be used.
Keywords : Child; Schools; Pediatric Obesity; Health Promotion; Physical Education and Training; Diet, Food, and Nutrition; Exercise.