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Study aim
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Comparison and determination the effects of high-fat and low-carbohydrate diet with Standard diet on body composition, appetite, and anthropometric measurements in overweight and obese children
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Design
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The clinical trial has two intervention groups, parallel groups, single blind and randomized.
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Settings and conduct
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Demographic questionnaire was used to measure social status, IPAQ-short form (The International Physical Activity Questionnaire) form was used to measure physical activity and The Appetite and Diet Assessment Tool(ADAT) and self-reported score were used to assess appetite.
The three-day food record are filled out by the parents or children.
Weight measurement is measured with a digital scale with 100 grams accuracy .
The individual's height is measured with 0.5 cm accuracy .
Waist and hip circumference is measured using a meter.
Body composition is assessed with a Body impedance analysis (BIA).
Diet sheet with supplementary recommendations to be given to the participant.
To measure adherence each week, we will ask the person about their diet performing.
Blinding: The evaluator is not aware of the participant's diet.
location: Shiraz, Namazi Square, Imam Reza Clinic
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Participants/Inclusion and exclusion criteria
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Inclusion criteria:
Children 9-18 years
BMI for age above 85th percentile
Exclusion criteria:
Having a specific diet
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Intervention groups
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Control group:
Low fat and high carbohydrate diet (Standard diet)
(25% of total energy as fat, 20% of total energy as protein and 55% of total energy as carbohydrate)
Intervention group:
High-fat, low-carbohydrate diet
(55% of total energy as fat, 20% of total energy as protein , and 25% of total energy as carbohydrate)
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Main outcome variables
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Height, weight, BMI, waist-to-hip ratio, waist circumference, hip circumference, appetite, adipose tissue, lean tissue, interstitial water