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Combined Effects of Simultaneous Variety and Portion Size on Meal Intake of Women

The Pennsylvania State University (PENNSTATE) logo

The Pennsylvania State University (PENNSTATE)

Status

Completed

Conditions

Eating Behavior

Treatments

Other: Single-Food
Other: Small Portion
Other: Simultaneous Variety
Other: Large Portion

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT05266183
FoodVariety103

Details and patient eligibility

About

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.

Enrollment

44 patients

Sex

Female

Ages

20 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • 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

Exclusion criteria

  • 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

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Single Blind

44 participants in 4 patient groups

Simultaneous Variety, Small Portion
Experimental group
Description:
3 different foods served in a small portion.
Treatment:
Other: Simultaneous Variety
Other: Small Portion
Simultaneous Variety, Large Portion
Experimental group
Description:
3 different foods served in a large portion.
Treatment:
Other: Simultaneous Variety
Other: Large Portion
Single-Food, Small Portion
Experimental group
Description:
1 food served in a small portion.
Treatment:
Other: Small Portion
Other: Single-Food
Single-Food, Large Portion
Experimental group
Description:
1 food served in a large portion.
Treatment:
Other: Large Portion
Other: Single-Food

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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