Preventing childhood obesity by reducing consumption of carbonated drinks: cluster randomised controlled trial

doi:10.1136/bmj.38077.458438.EE

BMJ 2004;328:1237 (22 May), doi:10.1136/bmj.38077.458438.EE (published 23 April 2004)

Primary care

Preventing childhood obesity by reducing consumption of carbonated drinks: cluster randomised controlled trial

Janet James, diabetes development nurse¹, Peter Thomas, professor of health care statistics and epidemiology², David Cavan, consultant physician¹, David Kerr, consultant physician¹

¹ Bournemouth Diabetes and Endocrine Centre, Royal Bournemouth Hospital, Dorset BH7 7DW, ² Institute of Health and Community Studies, Bournemouth University and Dorset Research and Development Unit, Poole Hospital

Correspondence to: J James janet.james{at}rbch-tr.swest.nhs.uk

Objective To determine if a school based educational programmeaimed at reducing consumption of carbonated drinks can preventexcessive weight gain in children.

Design Cluster randomised controlled trial.

Setting Six primary schools in southwest England.

Participants 644 children aged 7-11 years.

Intervention Focused educational programme on nutrition overone school year.

Main outcome measures Drink consumption and number of overweightand obese children.

Results Consumption of carbonated drinks over three days decreasedby 0.6 glasses (average glass size 250 ml) in the interventiongroup but increased by 0.2 glasses in the control group (meandifference 0.7, 95% confidence interval 0.1 to 1.3). At 12 monthsthe percentage of overweight and obese children increased inthe control group by 7.5%, compared with a decrease in the interventiongroup of 0.2% (mean difference 7.7%, 2.2% to 13.1%).

Conclusion A targeted, school based education programme produceda modest reduction in the number of carbonated drinks consumed,which was associated with a reduction in the number of overweightand obese children.

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Preventing childhood obesity: two year follow-up results from the Christchurch obesity prevention programme in schools (CHOPPS): Janet James, Peter Thomas, and David Kerr
BMJ 2007 335: 762. [Abstract] [Full Text] [PDF]

Strategies for preventing obesity: Mike Lean, Jose Lara, and James O Hill
BMJ 2006 333: 959-962. [Extract] [Full Text] [PDF]

Childhood obesity and consumption of fizzy drinks: Diet is not that important in obesity: Des Spence
BMJ 2004 329: 54. [Extract] [Full Text]

Childhood obesity and consumption of fizzy drinks: Play outside to reduce childhood obesity: Alan Sutton
BMJ 2004 329: 54. [Extract] [Full Text]

Childhood obesity and consumption of fizzy drinks: Commercial interests have important role: Trisha Greenhalgh
BMJ 2004 329: 54. [Extract] [Full Text]

School education programmes can reduce obesity
BMJ 2004 328: 0. [Full Text]

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