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Public Health Nutr. 2014 Jun;17(6):1195-204. doi: 10.1017/S1368980013000189. Epub 2013 Feb 26.

Comparison of two school-based programmes for health behaviour change: the Belo Horizonte Heart Study randomized trial.

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1 Minas Gerais State Secretariat for Health/Non-communicable Disease, Surveillance Sector, Rua Santa Helena 75, 30.220-240 Belo Horizonte, MG, Brazil.
2 Department of Pediatrics, School of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.



To assess the efficacy of two school-based programmes to promote students' willingness to engage in lifestyle changes related to eating habits and physical activity behaviours.


Elementary school-based health promotion intervention, designed as a multicomponent experimental study, based on a behavioural epidemiological model.


Nine intervention and eight comparative public and private elementary schools.


The goal was to determine the impact on the longitudinally assessed outcomes of two programmes that addressed healthy nutrition and active living in a cohort of 2038 children. The evaluations used pre-intervention and follow-up student surveys that were based on the Transtheoretical Model of the stages of behaviour change.


In the intervention group, there were significant (P < 0ยท001) differences between the pre- and post-intervention times in the stages of change, with a reduction in the percentage of children at the pre-contemplation and contemplation stages and increased percentages at the preparation, action and maintenance stages, leading to healthier behaviours in fatty food consumption, fruit and vegetable consumption, physical activity and time spent in sedentary activities. The determinants of the behaviour stage were the intervention programme, the type of school and the presence of motivated teachers. The comparison group did not show significant differences between the pre- and post-intervention times for any of the stages of behaviour.


The intervention programme encouraged the students to make healthy lifestyle choices related to eating habits and physical activity behaviours.

[Indexed for MEDLINE]

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