Intended for healthcare professionals

  1. Research
  2. Physical activity to...
  3. Negative outcome or protocol problem ?

Rapid response to:

Research

Physical activity to prevent obesity in young children: cluster randomised controlled trial

BMJ 2006; 333 doi: https://doi.org/10.1136/bmj.38979.623773.55 (Published 16 November 2006) Cite this as: BMJ 2006;333:1041

Rapid Response:

Negative outcome or protocol problem ?

While the BMJ text emphasises that adherence to protocol was good, an interview with Prof Reilly on the Today programme [7.20 am, 6.10. 06] cited the difficulty in getting children to increase their activity as much as required ie not a negative outcome, but a problem in achieving sufficient increase to make the intervention effective. Which was the case ?

Competing interests: None declared

Competing interests: No competing interests

01 November 2006
Alastair Michell
Professor of Comparative Medicine
University of London, Barts Hospital [Biochemical Pharmacol] Harvey Institute, London EC1M 6BQ.