- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00939016
The Influence of Factors on Accuracy of Reported Dietary Intake
April 3, 2018 updated by: Hollie Raynor, The University of Tennessee, Knoxville
The Influence of Dietary Restraint, Social Desirability and Food Type on Accuracy of Reported Dietary Intake
The purpose of this study is to evaluate the influence of dietary restraint, social desirability, and food type on the accuracy of dietary intake reported during a 24-hour recall.
Study Overview
Status
Completed
Intervention / Treatment
Detailed Description
The purpose of this study is to investigate the influence of the interaction among dietary restraint, social desirability, and food type ("healthy" vs. "unhealthy") on the accuracy of reporting consumption of a laboratory meal during a 24-hour dietary recall.
The automated multiple-pass method (AMPM) of 24-hour dietary recall is considered the gold standard of dietary assessment however the potential for error and biases is widely acknowledged with a tendency towards underreporting.
Underreporting has been linked to many factors including two individual characteristics, dietary restraint and social desirability.
Both dietary restraint and social desirability have been extensively studied however the influence of their interaction on reported dietary intake is not fully understood.
In addition, a relationship to the types of foods (healthy vs. unhealthy) has also been found.
For this study, 40 normal-weight female participants will be recruited at The University of Tennessee using flyers inviting volunteers.
Participants will be categorized by dietary restraint, high or low, and social desirability, high or low, based on questions during the initial screening.
In a laboratory setting participants will consume a meal of pre-weighed foods, including both "healthy" and "unhealthy" foods.
The following day, an AMPM 24-hr dietary recall will be conducted with the participant over the telephone.
Accuracy of the reported dietary intake of the laboratory meal will be determined by the equation [(reported intake - measured intake)]/measured intake] x100 for amount (weight or volume) and energy (kilocalories) with comparisons between groups and within food types using mixed factorial analysis of variance.
Study Type
Interventional
Enrollment (Actual)
40
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
-
-
Tennessee
-
Knoxville, Tennessee, United States, 37996-1920
- 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 25 years (Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
Female
Description
Inclusion Criteria:
- Normal weight status (BMI 18.5-24.9)
- Willing to sample study foods
Exclusion Criteria:
- Individuals majoring in Nutrition or Exercise Science
- Smokers
- Individuals taking medication for ADHD
- Individuals who are pregnant
- Individuals with allergies to food in study
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: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: High SD/ Low DR
This group contains females that exhibit characteristics of high social desirability and low dietary restraint.
|
Each participant will come into the laboratory for a buffet-style lunch meal, where they are instructed to sample each of the foods served.
On the next day, a 24 hour dietary recall is performed to test the participants ability to accurately report amounts and types of food consumed.
Measures of dietary restraint and social desirability are taken prior to the laboratory meal via phone interview.
|
Active Comparator: High SD/ High Dr
This group contains females that exhibit characteristics of high social desirability and high dietary restraint.
|
Each participant will come into the laboratory for a buffet-style lunch meal, where they are instructed to sample each of the foods served.
On the next day, a 24 hour dietary recall is performed to test the participants ability to accurately report amounts and types of food consumed.
Measures of dietary restraint and social desirability are taken prior to the laboratory meal via phone interview.
|
Active Comparator: Low SD/ High DR
This group contains females that exhibit characteristics of low social desirability and high dietary restraint.
|
Each participant will come into the laboratory for a buffet-style lunch meal, where they are instructed to sample each of the foods served.
On the next day, a 24 hour dietary recall is performed to test the participants ability to accurately report amounts and types of food consumed.
Measures of dietary restraint and social desirability are taken prior to the laboratory meal via phone interview.
|
Active Comparator: Low SD/ Low DR
This group contains females that exhibit characteristics of low social desirability and low dietary restraint.
|
Each participant will come into the laboratory for a buffet-style lunch meal, where they are instructed to sample each of the foods served.
On the next day, a 24 hour dietary recall is performed to test the participants ability to accurately report amounts and types of food consumed.
Measures of dietary restraint and social desirability are taken prior to the laboratory meal via phone interview.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Accuracy of reported dietary intake compared to measure intake of a laboratory meal.
Time Frame: 1 day.
|
1 day.
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Dietary Restraint Score of participant.
Time Frame: 1 day.
|
1 day.
|
Social Desirability Score of participant.
Time Frame: 1 day.
|
1 day.
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Study Chair: Hollie A Raynor, Ph.D., University of Tennessee, Knoxville
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)
December 1, 2011
Study Completion (Actual)
December 1, 2011
Study Registration Dates
First Submitted
July 8, 2009
First Submitted That Met QC Criteria
July 10, 2009
First Posted (Estimate)
July 14, 2009
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
Keywords
Other Study ID Numbers
- University of TN IRB 7701 B
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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