The West Midlands ActiVe lifestyle and healthy Eating in School children (WAVES) study: a cluster randomised controlled trial testing the clinical effectiveness and cost-effectiveness of a multifaceted obesity prevention intervention programme targeted at children aged 6–7 years.

A 12-month schools-based programme to encourage healthy eating and physical activity in 6- to 7-year-olds did not reduce body mass index at 3 or 18 months.

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