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      Prevalencia de sobrepeso y obesidad en niños escolares Translated title: Prevalence of overweight and obesity in school-age children

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          Abstract

          Resumen Introducción: La obesidad infantil es un reto de salud pública. Entre 1999 y 2012, en México la prevalencia de sobrepeso y obesidad (SO) en niños escolares pasó de 25.5 a 32 %. Objetivo: Reportar la prevalencia actual de SO en niños escolares del municipio de Durango, México. Método: Encuesta transversal realizada entre enero de 2017 y diciembre de 2018. Se incluyeron 24 600 niños de seis a 11 años, de 138 escuelas del municipio de Durango. Se utilizaron los valores de referencia del índice de masa corporal establecidos por la Organización Mundial de la Salud para determinar la presencia de SO. Resultados: La prevalencia de sobrepeso fue de 19.7 %, la de obesidad de 16 % y la de SO de 35.7 %. En el grupo de seis años se encontró una prevalencia de SO de 25.4 % y en el de 11 años, de 41.1 %. Conclusiones: La prevalencia de SO en niños de seis a 11 años del municipio de Durango es más elevada que la reportada en la encuesta nacional por entidad federativa en 2012 y la nacional en 2016; se observó tendencia al incremento conforme aumenta la edad.

          Translated abstract

          Abstract Introduction: Childhood obesity is a public health challenge. Between 1999 and 2012, the prevalence in Mexico of overweight and obesity in schoolchildren went from 25.5 to 32 %. Objective: To report current prevalence of overweight and obesity in schoolchildren from the municipality of Durango, Mexico. Method: Cross-sectional survey conducted between January 2017 and December 2018. A total of 24,600 children aged between six and 11 years from 138 schools of the municipality of Durango were included. The body mass index reference values established by the World Health Organization were used to determine the presence of overweight and obesity. Results: The prevalence of overweight was 19.7 %, of obesity, 16 %, and of overweight and obesity combined, 35.7 %. In the six-year-old group, a prevalence of overweight-obesity of 25.4 % was found, and in the 11-year-old group, 41.1 %. Conclusions: The prevalence of overweight-obesity in children aged from 6 to 11 years in the municipality of Durango is higher than those reported in the national survey by states in 2012 and in the 2016 national survey; prevalence showed a tendency to increase with age.

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          What childhood obesity prevention programmes work? A systematic review and meta-analysis.

          Previous reviews of childhood obesity prevention have focused largely on schools and findings have been inconsistent. Funded by the US Agency for Healthcare Research and Quality (AHRQ) and the National Institutes of Health, we systematically evaluated the effectiveness of childhood obesity prevention programmes conducted in high-income countries and implemented in various settings. We searched MEDLINE®, Embase, PsycINFO, CINAHL®, ClinicalTrials.gov and the Cochrane Library from inception through 22 April 2013 for relevant studies, including randomized controlled trials, quasi-experimental studies and natural experiments, targeting diet, physical activity or both, and conducted in children aged 2-18 in high-income countries. Two reviewers independently abstracted the data. The strength of evidence (SOE) supporting interventions was graded for each study setting (e.g. home, school). Meta-analyses were performed on studies judged sufficiently similar and appropriate to pool using random effect models. This paper reported our findings on various adiposity-related outcomes. We identified 147 articles (139 intervention studies) of which 115 studies were primarily school based, although other settings could have been involved. Most were conducted in the United States and within the past decade. SOE was high for physical activity-only interventions delivered in schools with home involvement or combined diet-physical activity interventions delivered in schools with both home and community components. SOE was moderate for school-based interventions targeting either diet or physical activity, combined interventions delivered in schools with home or community components or combined interventions delivered in the community with a school component. SOE was low for combined interventions in childcare or home settings. Evidence was insufficient for other interventions. In conclusion, at least moderately strong evidence supports the effectiveness of school-based interventions for preventing childhood obesity. More research is needed to evaluate programmes in other settings or of other design types, especially environmental, policy and consumer health informatics-oriented interventions.
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            Overweight and obesity in Mexican children and adolescents during the last 25 years

            Background/Objective: The objective of the study was to provide current estimates of the prevalence and trends of overweight and obesity (OW+OB) in Mexican children and adolescents. Subjects/Methods: Body mass index objectively measured was analyzed for 37 147 children and adolescents aged 0–19 years obtained in 2012 as part of the National Health and Nutrition Survey (ENSANUT-2012), a nationally representative sample of the Mexican population. In addition, data from previous National Nutrition Surveys obtained in 1988, 1999 and 2006 were compared with analyze trends over a 24-year period (1988–2012) for children <5 years of age and adolescents and over a 13-year period (1999–2012) for school-age children. World Health Organization Child Growth Standard was used to define OW+OB. Results: In 2012, 33.5% of children <5 years of age (both sexes) were at risk of overweight or were overweight (OW); 32% and 36.9% of girls and boys 5–11 years of age were OW+OB, respectively, and 35.8% and 34.1% of female and male adolescents were OW+OB, respectively. Statistically significant trends were documented for all age groups during the study period. Overall change in the combined prevalence in preschool children was 6.3±1.0 percentage points (pp; P<0.001; 0.26 pp per year) in the last 24 years, showing the highest increase between 1988 and 1999, whereas for school-age girls (from 1999 to 2012) and adolescent females (from 1988 to 2012), OW+OB increased across all periods at a declining trend, with an overall change of 0.5 and 1.0 pp per year, respectively. Changes in the prevalence of OW+OB were highest among children and adolescents in the lowest quintile of the household living condition index. Conclusions: Prevalence of OW+OB among children and adolescents increased significantly during the last 13–24 years. The rate of increase has declined in the last 6 years in all age groups. Changes in prevalence of OW+OB presented here suggest that, in Mexico, the burden of obesity is shifting toward the groups with lower socioeconomic level.
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              A systematic review and meta-analysis of whole of community interventions to prevent excessive population weight gain.

              Population-based, 'whole of community' interventions utilise community engagement processes and implement multiple strategies to improve the health of populations defined by geographical boundaries (i.e. cities, villages or regions). The aim of the review was to systematically assess the current state of knowledge about the effectiveness of population-based whole of community interventions in preventing excessive population weight gain. Systematic searches of electronic databases (1990-2011) and reference lists of included trials and previous reviews were conducted to identify interventions to prevent excessive weight gain. Population-based, whole of community interventions were defined as those targeting the weight status of a population characterised along geographical boundaries. The review included eight trials. All of the identified trials targeted children or adolescents. Seven trials reported a significant effect favouring the intervention on at least one measure of adiposity. Meta-analysis of six trials revealed a small reduction in BMI z-score among participants in intervention communities (mean difference (MD) -0.09; 95% confidence interval (CI) -0.16 to -0.02). The review suggests that population-based, whole of community interventions can be effective in achieving modest reductions in population weight gain among children. Copyright © 2014 Elsevier Inc. All rights reserved.
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                Author and article information

                Journal
                gmm
                Gaceta médica de México
                Gac. Méd. Méx
                Academia Nacional de Medicina de México A.C. (Ciudad de México, Ciudad de México, Mexico )
                0016-3813
                2696-1288
                June 2020
                : 156
                : 3
                : 184-187
                Affiliations
                [1] Durango orgnameUniversidad Juárez del Estado de Durango orgdiv1Facultad de Medicina y Nutrición México
                [2] Durango orgnameInstituto Mexicano del Seguro Social orgdiv1Unidad de Investigación Biomédica Mexico
                Article
                S0016-38132020000300184 S0016-3813(20)15600300184
                10.24875/gmm.20005642
                02e64521-9ca3-4676-9e15-c70fc0208911

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 22 November 2019
                : 19 February 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 11, Pages: 4
                Product

                SciELO Mexico

                Categories
                Artículos originales

                Obesidad,Escolares,Obesity,Overweight,School-age children,Sobrepeso

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