Food Choices in Healthy Weight Women

April 3, 2018 updated by: Hollie Raynor, The University of Tennessee, Knoxville
This study will examine differences in habituation to foods high in sugar and fat content versus those that are not, in normal weight women.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Participants will complete two experimental sessions, in which habituation to chocolate cake and dried apricots will be measured, with each session measuring habituation rate to one food. Upon arrival to the session, participants will write down what they have consumed and the minutes of physical activity they have engaged in during the previous 24 hours. Participants will rate their feelings of hunger and fullness using a 100mm VAS. They will also rank their liking of the food being used in the session using a 100mm VAS. Participants will be given a peanut butter flavored granola bar, containing 190 kcal, and be instructed to consume all of the bar.

Next, participants will complete a computer generated task to measure habituation to a food (chocolate cake or apricots). The computer task will be programmed at a variable interval of 120 ± 42 seconds (VI-120) reinforcement schedule, so that participants will be rewarded one point for the first response made after approximately 120s have passed. The computer task consists of two squares, one that flashes red every time a mouse button is pressed and another square that flashes green when a point is earned. The habituation phase will be 24 minutes, divided into 12, 2-minute trials, during which participants can earn points towards access to 75 kcal portions of the food that is being measured. Participants will receive the food immediately after each point is earned to consume and can continue to play the computer task while eating. Participants will be instructed that when they no longer want to earn access to the food they can go to another table and engage in the activities provided (i.e., reading magazines). After the computer task, participants will rate their feeling of hunger, fullness, and liking of the food. During the computer task the number of consecutive two-minute time blocks before responding ceases, as well as the overall pattern of responding, will be measured.

Study Type

Interventional

Enrollment (Actual)

28

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Tennessee
      • Knoxville, Tennessee, United States, 37996
        • Healthy Eating and Activity Laboratory, University of Tennessee

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 35 years (ADULT)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • body mass index (BMI) 18.5 to 24.9 kg/m2
  • nonsmokers
  • not allergic to the foods used in the investigation
  • must like the foods in the investigation (scoring > 50 mm on a visual analogue scale [VAS])
  • be willing to consume the foods
  • not have dietary restrictions
  • not be a restrained eater (scoring > 12 on the Three Factor Eating Scale)
  • not be on medications that influence appetite
  • not planning to change their diet or physical activity during the time frame of their study participation
  • not dieting or trying to lose weight.

Exclusion Criteria:

  • BMI outside of the range 18.5-24.9
  • smoker
  • food allergies
  • does not like the foods used in the study
  • has dietary restrictions
  • is a restrained eater
  • on medications that may influence appetite
  • planning on changing diet or physical activity during time frame of the study
  • dieting
  • trying to lose weight

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: BASIC_SCIENCE
  • Allocation: RANDOMIZED
  • Interventional Model: CROSSOVER
  • Masking: SINGLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
ACTIVE_COMPARATOR: Order 1
Order for sessions: Cake, apricots
Other: CAKE
For the CAKE condition, participants will play a computer task to earn points for cake that they can consume.
Other: APRICOTS
For the APRICOTS condition, participants will play a computer task to earn points for apricots that they can consume.
ACTIVE_COMPARATOR: Order 2
Order for sessions: apricots, Cake
Other: CAKE
For the CAKE condition, participants will play a computer task to earn points for cake that they can consume.
Other: APRICOTS
For the APRICOTS condition, participants will play a computer task to earn points for apricots that they can consume.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Grams of consumption of cake
Time Frame: 60 minutes
Amount of cake consumed will be measured using the following formula: amount of cake before consumption (first weight) - amount of cake following consumption (second weight).
60 minutes
Grams of consumption of apricots
Time Frame: 60 minutes
Amount of apricots consumed will be measured using the following formula: amount of apricots before consumption (first weight) - amount of apricots following consumption (second weight).
60 minutes

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

The University of Tennessee, Knoxville

Investigators

  • Principal Investigator: Hollie Raynor, PhD, University of Tennessee, Knoxville

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

June 1, 2015

Primary Completion (ACTUAL)

May 1, 2016

Study Completion (ACTUAL)

May 1, 2016

Study Registration Dates

First Submitted

June 23, 2015

First Submitted That Met QC Criteria

June 24, 2015

First Posted (ESTIMATE)

June 25, 2015

Study Record Updates

Last Update Posted (ACTUAL)

April 5, 2018

Last Update Submitted That Met QC Criteria

April 3, 2018

Last Verified

April 1, 2018

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • UTK IRB-15-02330-XP

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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