Randomised controlled trial of four commercial weight loss programmes in the UK: initial findings from the BBC ``diet trials''

H Truby, S Baic, A Delooy, KR Fox, Barbara Livingstone, CM Logan, IA Macdonald, LM Morgan, MA Taylor, DJ Millward

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Abstract

Objective To compare the effectiveness of four commercial weight loss diets available to adults in the United Kingdom. Design Six month multicentre randomised unblinded controlled trial. Setting Community based sample of otherwise healthy overweight and obese adults. Interventions Dr Atkins' new diet revolution, Slim-Fast plan, Weight Watchers pure points programme, and Rosemary Conley's eat yourself slim diet and fitness plan. Main outcome measures Weight and body fat changes over six months. Results All diets resulted in significant loss of body fat and weight over six months. Groups did not differ significantly but loss of body fat and weight was greater in all groups compared with the control group. In an intention to treat analysis, average weight loss was 5.9 kg and average fat loss was 4.4 kg over six months. The Atkins diet resulted in significantly higher weight loss during the first four weeks, but by the end was no more or less effective than the other diets. Conclusions Clinically useful weight loss and fat loss can be achieved in adults who are motivated to follow commercial diets for a substantial period. Given the limited resources for weight management in the NHS, healthcare practitioners should discuss with their patients programmes known to be effective.
Original languageEnglish
Pages (from-to)1309-1311
JournalBRITISH MEDICAL JOURNAL
Volume332
Issue number7553
DOIs
Publication statusPublished - Jun 2006

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    Truby, H., Baic, S., Delooy, A., Fox, KR., Livingstone, B., Logan, CM., Macdonald, IA., Morgan, LM., Taylor, MA., & Millward, DJ. (2006). Randomised controlled trial of four commercial weight loss programmes in the UK: initial findings from the BBC ``diet trials''. BRITISH MEDICAL JOURNAL, 332(7553), 1309-1311. https://doi.org/10.1136/bmj.38833.411204.80