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The relationship between pretreatment dietary composition and weight loss during a randomised trial of different diet approaches
How Starting Diet Types Relate to Weight Loss in a Study Comparing Different Diet Plans
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Abstract
A higher pretreatment percentage carbohydrate intake was associated with less rapid initial weight loss and less rapid weight regain in the low-carbohydrate diet condition.
- Participants had a mean age of 53 years and a baseline body mass index of 39.3 kg/m², with 72% being male.
- In the low-carbohydrate diet group, higher carbohydrate intake prior to treatment correlated with slower initial weight loss (P = 0.02).
- Higher carbohydrate intake was also linked to slower weight regain in the low-carbohydrate diet condition (P = 0.03).
- In both the low-carbohydrate and orlistat plus low-fat diet groups, higher pretreatment fat intake was associated with faster weight regain (P < 0.01).
- Pretreatment protein intake did not show any association with weight trajectories in either weight-loss condition.
- None of the pretreatment macronutrients were linked to weight loss outcomes at the study's completion.
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