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The Atkins diet led to more weight loss than the Zone diet in overweight and obese premenopausal women at 12 months

https://doi.org/10.1136/ebn.10.4.111

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    Gardner CD, Kiazand A, Alhassan S, et al. Comparison of the Atkins, Zone, Ornish, and LEARN diets for change in weight and related risk factors among overweight premenopausal women: the A TO Z Weight Loss Study: a randomized trial. JAMA 2007;297:969–77.OpenUrlCrossRefPubMedWeb of Science

    Q What is the relative effectiveness of Atkins, Zone, “Lifestyle, Exercise, Attitudes, Relationships, and Nutrition (LEARN),” and Ornish diets for weight loss in overweight or obese premenopausal women?

    METHODS

    Embedded ImageDesign:

    randomised controlled trial (Atkins, Traditional, Ornish, Zone [A TO Z] Weight Loss Study).

    Embedded ImageAllocation:

    unclear allocation concealment.

    Embedded ImageBlinding:

    blinded {data collectors, data analysts, and safety and monitoring committee}.*

    Embedded ImageFollow-up period:

    12 months.

    Embedded ImageSetting:

    United States.

    Embedded ImagePatients:

    311 premenopausal women 25–50 years of age (mean age 41 y, 71% white) who were overweight or obese (body mass index [BMI] 27–40 kg/m2), had stable weight in the …

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    Footnotes

    • ↵* Information provided by author.

    • For correspondence: Dr C D Gardner, Stanford University Medical School, Stanford, CA, USA. cgardner{at}stanford.edu

    • Sources of funding: National Institutes of Health, Community Foundation of Southeastern Michigan, Human Health Services.