School based educational programme to reduce carbonated drink consumption (intervention) v no intervention in children*

OutcomesInterventionNo intervention
Baseline1 yearBaseline1 yearDifference in change from baseline (95% CI)
*BMI  =  body mass index. CI defined in glossary.
†Not significant.
BMI17.417.917.618.30.1 (−0.1 to 0.3)†
Mean percentage > 91st percentile for BMI20.3%20.1%19.4%26.9%7.7% (2.2 to 13.1)