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Randomised controlled trial of primary school based intervention to reduce risk factors for obesity

Sahota, P., Rudolf, M.C.J., Dixey, R., Hill, A.J., Barth, J.H. and Cade, J. (2001) Randomised controlled trial of primary school based intervention to reduce risk factors for obesity. BMJ, 323 (7320). pp. 1029-1032. ISSN 0959-8138

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Abstract

OBJECTIVE: To assess if a school based intervention was effective in reducing risk factors for obesity.

DESIGN: Group randomised controlled trial.

SETTING: 10 primary schools in Leeds.

PARTICIPANTS: 634 children aged 7­-11 years.

INTERVENTION: Teacher training, modification of school meals, and the development of school action plans targeting the curriculum, physical education, tuck shops, and playground activities.

MAIN OUTCOME MEASURES: Body mass index, diet, physical activity, and psychological state.

RESULTS: Vegetable consumption by 24 hour recall was higher in children in the intervention group than the control group (weighted mean difference 0.3 portions/day, 95% confidence interval 0.2 to 0.4), representing a difference equivalent to 50% of baseline consumption. Fruit consumption was lower in obese children in the intervention group ( - 1.0, - 1.8 to - 0.2) than those in the control group. The three day diary showed higher consumption of high sugar foods (0.8, 0.1 to 1.6)) among overweight children in the intervention group than the control group. Sedentary behaviour was higher in overweight children in the intervention group (0.3, 0.0 to 0.7). Global self worth was higher in obese children in the intervention group (0.3, 0.3 to 0.6). There was no difference in body mass index, other psychological measures, or dieting behaviour between the groups. Focus groups indicated higher levels of self reported behaviour change, understanding, and knowledge among children who had received the intervention.

CONCLUSION: Although it was successful in producing changes at school level, the programme had little effect on children's behaviour other than a modest increase in consumption of vegetables.

Item Type: Article
Copyright, Publisher and Additional Information: © BMJ 2001
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Medicine and Health (Leeds) > Institute of Health Sciences (Leeds) > Academic Unit of Psychiatry and Behavioural Sciences (Leeds)
Depositing User: Repository Officer
Date Deposited: 13 Mar 2006
Last Modified: 05 Jun 2014 18:47
Published Version: http://bmj.com/cgi/content/full/323/7320/1029
Status: Published
Refereed: Yes
Identification Number: 10.1136/bmj.323.7320.1029
URI: http://eprints.whiterose.ac.uk/id/eprint/157

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