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      Impact of a school-based intervention program on obesity risk factors in Mexican children Translated title: Impacto de un programa de intervención en escuelas para la prevención de factores de riesgo de la obesidad en niños mexicanos

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          Abstract

          Objective. To evaluate the impact of an 18-month school obesity prevention intervention on the health behaviors of 4th and 5th grade students based on ecological principles and formative research conducted in Mexico. Materials and methods. A Randomized Control Trial (RCT), design was used to assign 27 schools to one of three conditions: basic or plus interventions and control. School environment measures, children's eating and physical activity behaviors, and body mass index were assessed four times over a 2-year period in a sample of 830 students. Results. In the intervention schools, the availability of healthy foods increased with a concomitant decrease in unhealthy food availability. Food intake showed the same trend. In the intervention schools, children did not engage in more moderate to vigorous physical activity (MVPA) in physical education (PE) class or recess but increased steps taken. Obesity prevalence did not change. Conclusion. The intervention improved the school food environment and child healthy behaviors.

          Translated abstract

          Objetivo. Evaluar el impacto de una intervención de 18 meses para la prevención de obesidad en escolares de 4o y 5o grados basada en el modelo ecológico en conductas saludables en México. Material y métodos. Diseño experimental para asignar 27 escuelas a uno de los tres tratamientos: intervenciones básicas, intervenciones plus y control. Se midió el impacto en el ambiente escolar, la alimentación y la actividad física e índice de masa corporal en niños. La evaluación se llevó a cabo en dos años en 830 estudiantes. Resultados. En las escuelas de intervención, la disponibilidad de alimentos sanos aumentó y la disponibilidad de alimentos poco saludables disminuyó. La ingesta de alimentos en niños no mostraron las mismas tendencias. En las escuelas de intervención, los niños no participaron más en actividad física moderada y vigorosa. La prevalencia de obesidad no se modificó. Conclusión. La intervención mejoró el entorno alimentario escolar y las conductas saludables de alimentación y actividad física.

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          Most cited references 96

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          An Ecological Perspective on Health Promotion Programs

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            Social Foundation for thought and action: a social cognitive theory

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              A potential decline in life expectancy in the United States in the 21st century.

              Forecasts of life expectancy are an important component of public policy that influence age-based entitlement programs such as Social Security and Medicare. Although the Social Security Administration recently raised its estimates of how long Americans are going to live in the 21st century, current trends in obesity in the United States suggest that these estimates may not be accurate. From our analysis of the effect of obesity on longevity, we conclude that the steady rise in life expectancy during the past two centuries may soon come to an end. Copyright 2005 Massachusetts Medical Society.
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                Author and article information

                Journal
                spm
                Salud Pública de México
                Salud pública Méx
                Instituto Nacional de Salud Pública (Cuernavaca, Morelos, Mexico )
                0036-3634
                2013
                : 55
                : suppl 3
                : 374-387
                Affiliations
                Cuernavaca Morelos orgnameInstituto Nacional de Salud Pública orgdiv1Centro de Investigación en Nutrición y Salud México
                Ontario orgnameQueen's University orgdiv1School of Kinesiology and Health Studies Canada
                S0036-36342013000900004 S0036-3634(13)05500000004

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

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                Figures: 0, Tables: 0, Equations: 0, References: 52, Pages: 14
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                Product Information: SciELO Public Health
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