Food Reinforcement, Weight Status, and Energy Density

June 7, 2019 updated by: Jennifer Temple, State University of New York at Buffalo

Effects of Daily Snack Food Intake on Food Reinforcement Depend on Weight Status and Energy Density

The investigators previous studies have shown that obese and non-obese individuals respond differently to daily intake of snack food. The purpose of this study was to determine whether these differences are specific to high energy density snack foods. The investigators hypothesized that obese individuals would show an increase in motivation to obtain high energy density snack foods after two weeks of daily consumption, but that non-obese women and obese women consuming low energy density foods would have reduced motivation to consume snack foods after two weeks of daily consumption.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

53

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
    • New York
      • Buffalo, New York, United States, 14214
        • University at Buffalo

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 50 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Female

Sampling Method

Non-Probability Sample

Study Population

Women ages 18 - 50 were recruited.

Description

Inclusion Criteria:

  • 18 - 50 years old, female, like study foods.

Exclusion Criteria:

  • current smoker, currently on a diet, medical conditions or medication affecting appetite (ex. methylphenidate).

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

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Non-obese/HED
Non-obese women given 60 gram portions of high energy density snack foods to consume daily for two weeks.
Behavioral: Daily snack food intake
participants consumed 60 gram portions of either low energy density or high energy density snack foods every day for two weeks.
Non-Obese/LED
Non-obese participants that were given 60 gram portions of low energy density foods to consume daily for two weeks.
Behavioral: Daily snack food intake
participants consumed 60 gram portions of either low energy density or high energy density snack foods every day for two weeks.
Obese/LED
Obese participants that were given 60 gram portions of low energy density snack foods to consume daily for two weeks.
Behavioral: Daily snack food intake
participants consumed 60 gram portions of either low energy density or high energy density snack foods every day for two weeks.
Obese/HED
Obese participants that were given 60 gram portions of high energy density snack foods to consume daily for two weeks.
Behavioral: Daily snack food intake
participants consumed 60 gram portions of either low energy density or high energy density snack foods every day for two weeks.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Number of operant responses
Time Frame: about one month
Participants were asked to click a mouse button to gain access to food. A point was earned after a certain number of button presses and after 5 points were earned, the participant received 100 kcal portion of food.
about one month

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Food liking
Time Frame: about one month
participants rated how much they liked the food on a Likert-type scale.
about one month

Collaborators and Investigators

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

Sponsor

State University of New York at Buffalo

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

September 1, 2008

Primary Completion (Actual)

July 1, 2009

Study Completion (Actual)

August 1, 2009

Study Registration Dates

First Submitted

March 24, 2011

First Submitted That Met QC Criteria

June 7, 2019

First Posted (Actual)

June 10, 2019

Study Record Updates

Last Update Posted (Actual)

June 10, 2019

Last Update Submitted That Met QC Criteria

June 7, 2019

Last Verified

June 1, 2019

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • Temple10132009

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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