Combined Effects of Simultaneous Variety and Portion Size on Meal Intake of Women
1 other identifier
interventional
44
1 country
1
Brief Summary
The primary purpose of this study is to investigate the combined effects of simultaneous meal variety and portion size on food intake at a meal. Additionally, other individual characteristics will be examined for their influence on the effects of simultaneous variety and portion size on meal intake.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Mar 2022
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 23, 2022
CompletedFirst Posted
Study publicly available on registry
March 4, 2022
CompletedStudy Start
First participant enrolled
March 7, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 21, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
September 21, 2022
CompletedOctober 10, 2022
October 1, 2022
7 months
February 23, 2022
October 7, 2022
Conditions
Outcome Measures
Primary Outcomes (2)
Change in intake by weight
Weight (grams) of all meal components consumed
Weeks 1, 2, 3, 4
Change in energy intake
Energy intake (kilocalories) of all meal components consumed, calculated from weight and energy density
Weeks 1, 2, 3, 4
Secondary Outcomes (16)
Change in bite count
Weeks 1, 2, 3, 4
Change in meal duration
Weeks 1, 2, 3, 4
Change in mean eating rate
Weeks 1, 2, 3, 4
Change in mean bite size
Weeks 1, 2, 3, 4
Change in sip count
Weeks 1, 2, 3, 4
- +11 more secondary outcomes
Study Arms (4)
Simultaneous Variety, Small Portion
EXPERIMENTAL3 different foods served in a small portion.
Simultaneous Variety, Large Portion
EXPERIMENTAL3 different foods served in a large portion.
Single-Food, Small Portion
EXPERIMENTAL1 food served in a small portion.
Single-Food, Large Portion
EXPERIMENTAL1 food served in a large portion.
Interventions
3 different foods served
Small meal portion size
Large meal portion size
Eligibility Criteria
You may qualify if:
- Be willing and able to travel to Penn State University Park campus weekly for meals
- 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
You may not qualify if:
- Must not be a smoker
- 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 have a high variability in liking of the test foods
- 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
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Penn State Universitylead
- Jenny Craig, Inc.collaborator
Study Sites (1)
Laboratory for the Study of Human Ingestive Behavior, The Pennsylvania State University
University Park, Pennsylvania, 16802, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor of Nutrition and Director of The Laboratory For The Study of Human Ingestive Behavior
Study Record Dates
First Submitted
February 23, 2022
First Posted
March 4, 2022
Study Start
March 7, 2022
Primary Completion
September 21, 2022
Study Completion
September 21, 2022
Last Updated
October 10, 2022
Record last verified: 2022-10
Data Sharing
- IPD Sharing
- Will not share