Effects of Variety and Portion Size on Meal Intake of Adults
NCT ID: NCT05152693
Last Updated: 2021-12-10
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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WITHDRAWN
NA
INTERVENTIONAL
2022-01-20
2023-01-27
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
BASIC_SCIENCE
SINGLE
Study Groups
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Low Variety Small Portion Without Beverage
Test meal with food components mixed together (low variety) with a small portion of food served without water
Low variety
Meal components are mixed together on the plate
Small Portion Size
Small meal portion size
Without Beverage
Meal served without water
High Variety Small Portion Without Beverage
Test meal with food components separated on the plate (high variety) with a small portion of food served without water
High Variety
Meal components are served separately on the plate
Small Portion Size
Small meal portion size
Without Beverage
Meal served without water
Low Variety Small Portion With Beverage
Test meal with food components mixed together (low variety) with a small portion of food and water
Low variety
Meal components are mixed together on the plate
Small Portion Size
Small meal portion size
With Beverage
Meal served with water
High Variety Small Portion With Beverage
Test meal with food components separated on the plate (high variety) with a small portion of food and water
High Variety
Meal components are served separately on the plate
Small Portion Size
Small meal portion size
With Beverage
Meal served with water
Low Variety Large Portion With Beverage
Test meal with food components mixed together (low variety) with a large portion of food and water
Low variety
Meal components are mixed together on the plate
Large Portion Size
Large meal portion size
With Beverage
Meal served with water
High Variety Large Portion With Beverage
Test meal with food components separated on the plate (high variety) with a large portion of food and water
High Variety
Meal components are served separately on the plate
Large Portion Size
Large meal portion size
With Beverage
Meal served with water
Interventions
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Low variety
Meal components are mixed together on the plate
High Variety
Meal components are served separately on the plate
Small Portion Size
Small meal portion size
Large Portion Size
Large meal portion size
With Beverage
Meal served with water
Without Beverage
Meal served without water
Eligibility Criteria
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Inclusion Criteria
* Be fully vaccinated against COVID-19
* Be a woman 20 - 65 years old
* Regularly eat 3 meals/day
* Be willing to refrain from drinking alcohol the day before and during test days
* Have a body mass index between 18.0 and 35.0 kg/m\*m
* Be willing to refrain from eating after 10 pm the evening before test sessions
* Be willing to participate in all study procedures
Exclusion Criteria
* Must not be an athlete in training
* Must not be pregnant or breastfeeding at the time of screening
* Must not have taken prescription or non-prescription drugs that may affect appetite or food intake within the last 3 months
* Must not dislike or be unable to eat the test foods (because of allergies, intolerance, or dietary restrictions)
* Must not be currently dieting to gain or lose weight
* Must not have a health condition that affects appetite
* Must not have participated in a similar study in our lab in the past year
* Must not be a student, faculty, or staff member in nutritional sciences or psychology
20 Years
65 Years
FEMALE
No
Sponsors
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Jenny Craig, Inc.
INDUSTRY
Penn State University
OTHER
Responsible Party
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Barbara J. Rolls
Professor of Nutrition and Director of The Laboratory For The Study of Human Ingestive Behavior
Locations
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Laboratory for the Study of Human Ingestive Behavior, The Pennsylvania State University
University Park, Pennsylvania, United States
Countries
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Other Identifiers
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FoodVariety101
Identifier Type: -
Identifier Source: org_study_id