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      Promoting healthful diet and physical activity in the Mexican school system for the prevention of obesity in children

      Salud pública de México

      Instituto Nacional de Salud Pública

      México, obesity /prevention, nutrition, physical activity, evaluation of the effectiveness of interventions, child nutrition, Mexico, obesidad/prevención, actividad física, evaluación de efectividad, nutrición infantil

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          Abstract

          Objective. This paper describes the rationale, design, and methods of a two-year randomized controlled trial conducted to evaluate the effectiveness of an environmental intervention in 27 elementary schools in Mexico City. Materials and methods. There were two units of analysis, school level addressing changes in elementary public part-time schools, and individual-level addressing behavioral changes in students 9 to 11 years of age. Two intensities of an intervention program were implemented (basic and plus), each containing two intervention components: physical activity and nutrition, supported by a communication/education component. Evaluation of the intervention was carried out during the school cycles 2006-2007 and 2007-2008. Results. Primary outcomes were overweight and obesity prevalence and fitness; environmental and behavioural measures were also examined. Conclusions. This is the first institutional multilevel, multifactorial project, consistent with the best practices available in current literature, carried out in Mexico to prevent childhood obesity in schools.

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          Most cited references 90

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          Social cognitive theory: an agentic perspective.

           A Bandura (2000)
          The capacity to exercise control over the nature and quality of one's life is the essence of humanness. Human agency is characterized by a number of core features that operate through phenomenal and functional consciousness. These include the temporal extension of agency through intentionality and forethought, self-regulation by self-reactive influence, and self-reflectiveness about one's capabilities, quality of functioning, and the meaning and purpose of one's life pursuits. Personal agency operates within a broad network of sociostructural influences. In these agentic transactions, people are producers as well as products of social systems. Social cognitive theory distinguishes among three modes of agency: direct personal agency, proxy agency that relies on others to act on one's behest to secure desired outcomes, and collective agency exercised through socially coordinative and interdependent effort. Growing transnational embeddedness and interdependence are placing a premium on collective efficacy to exercise control over personal destinies and national life.
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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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                Author and article information

                Journal
                S0036-36342013000900003

                http://creativecommons.org/licenses/by/4.0/

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