Physical activity to prevent obesity in young children: Negative outcome or protocol problem?

doi:10.1136/bmj.39045.398646.1F

BMJ 2006;333:1171 (2 December), doi:10.1136/bmj.39045.398646.1F

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Physical activity to prevent obesity in young children

Negative outcome or protocol problem?

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Although the article by Reilly et al on physicalactivity to prevent obesity in young children emphasises thatadherence to protocol was good,¹ an interview with Reilly onthe Today programme (7.20 am, 6 October 2006) cited the difficultyin getting children to increase their activity as much as required—thatis, not a negative outcome, but a problem in achieving sufficientincrease to make the intervention effective. Which was the case?

Alastair Michell, professor of comparative medicine

¹ University of London, Barts Hospital Harvey Institute, London EC1M 6BQ Bobmichell@Hotmail.com

Competing interests: None declared.

Reilly JJ, Kelly L, Montgomery C, Williamson A, Fisher A, McColl JH, et al. Physical activity to prevent obesity in young children: cluster randomised controlled trial. BMJ 2006;333:1041-3. (18 November.)[Abstract/Free Full Text]

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Physical activity to prevent obesity in young children: cluster randomised controlled trial: John J Reilly, Louise Kelly, Colette Montgomery, Avril Williamson, Abigail Fisher, John H McColl, Rossella Lo Conte, James Y Paton, and Stanley Grant
BMJ 2006 333: 1041. [Abstract] [Full Text] [PDF]