Working…
COVID-19 is an emerging, rapidly evolving situation.
Get the latest public health information from CDC: https://www.coronavirus.gov.

Get the latest research information from NIH: https://www.nih.gov/coronavirus.
ClinicalTrials.gov
ClinicalTrials.gov Menu

Evaluating Household Food Behavior With a Smartphone App (FoodImage)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT03309306
Recruitment Status : Active, not recruiting
First Posted : October 13, 2017
Last Update Posted : January 6, 2020
Sponsor:
Collaborator:
Ohio State University
Information provided by (Responsible Party):
Corby K. Martin, Pennington Biomedical Research Center

Brief Summary:

The purpose of this study is to test the use of a smartphone app as a way to measure food waste.

Investigators propose to improve the accuracy and convenience of household food waste measurement so that consumer food waste program evaluations yield more power, less bias, less measurement error, and greater representation of targeted populations.


Condition or disease Intervention/treatment Phase
Food Habits Other: Natural Environment/Stress Management Behavioral: Natural Environment/Reduce Food Waste Other: Questionnaires Not Applicable

Detailed Description:

Investigators will improve measurement via the development of the FoodImage smartphone app, a technology leveraging the investigators' expertise in creating and deploying apps to measure food intake and deliver nutritional interventions in free-living household conditions. Investigators will validate the app against weighed waste in a controlled laboratory setting.

The study will yield an app ready for future study deployment while analyses of the data will inform rapidly evolving policy discussions concerning optimal approaches to reduce food waste. These outcomes align with program priorities to understand the economics of food waste and to use behavioral economics to address consumption behavior.

Specific objectives include:

  1. Development of FoodImage, a smartphone app that measures household food waste and food-waste-related behaviors,
  2. Assess differences in the accuracy and time burden of measurements taken with the FoodImage app versus current household food waste measurement approaches (a pen-and-paper diary)
  3. Use the FoodImage app in a pilot randomized controlled trial designed to evaluate the effectiveness of reducing household food waste through behavioral nudges in the form of personalized feedback about food waste levels and household-specific reduction goals.

Layout table for study information
Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 42 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Intervention Model Description: A subset of subjects will complete Phase I, which is the lab-based portion of the study, prior to the RCT.
Masking: None (Open Label)
Primary Purpose: Other
Official Title: Evaluating Household Food Behavior With a Smartphone App
Actual Study Start Date : April 26, 2018
Estimated Primary Completion Date : April 30, 2020
Estimated Study Completion Date : January 2022

Arm Intervention/treatment
No Intervention: Phase 1: Lab Testing (Visit 1, Day 0)
Participants will test the FoodImage App and Pen-and-paper Records with in a Laboratory Kitchen. Participants will use the FoodImage app and food records to measure food waste during simulated shopping trip and kitchen clean-out. Measurements will be collected by participants with both methods while lab personnel directly weigh foods to provide the criterion value.
Active Comparator: Phase 2: RCT Stress Management
Participants will use the FoodImage app to capture data on food purchases, food waste that occurs during food preparation, food waste that is present after eating, and food waste from food purges in free-living conditions. Participants will capture baseline data for 4-7 days. After a 1-week break, participants will use the app to record food waste for approximately 4-7 days over the subsequent week. They will also receive information on stress management
Other: Natural Environment/Stress Management
Participants will use the FoodImage app to capture data on food purchases, food waste that occurs during food preparation, food waste that is present after eating, and food waste from food purges in free-living conditions. Participants will capture baseline data for 4-7 days. After a 1-week break, participants will use the app to record food waste for approximately 4-7 days over the subsequent week. They will also receive information on stress management

Other: Questionnaires

Participants will complete the following questionnaires:

Food Environment Questionnaire Waste Toss Methods Questionnaire User Satisfaction Survey Post-Study System Usability Questionnaire (PSSUQ) Food Waste Tip Questionnaire (Intervention Group only)


Experimental: Phase 2: RCT Food Waste Reduction

Phase 2 will occur in participants' natural environment (free-living conditions). Participants will use the FoodImage app to capture data on food purchases, food waste that occurs during food preparation, food waste that is present after eating, and food waste from food purges. Participants will use the app to record food waste for approximately 4-7 days over the subsequent week. They will also be provided with the following:

  1. Feedback on the amount of food waste their household created during the first week,
  2. A goal to reduce the next week's food waste by 20% or more, and
  3. Tips on how to reduce household food waste adapted from current consumer campaigns
Behavioral: Natural Environment/Reduce Food Waste

Participants will use the FoodImage app to capture data on food purchases, food waste that occurs during food preparation, food waste that is present after eating, and food waste from food purges in free-living conditions. Participants will use the app to record food waste for approximately 4-7 days over the subsequent week. They will also be provided with the following:

  1. Feedback on the amount of food waste their household created during the first week,
  2. A goal to reduce the next week's food waste by 20% or more, and
  3. Tips on how to reduce household food waste adapted from current consumer campaigns

Other: Questionnaires

Participants will complete the following questionnaires:

Food Environment Questionnaire Waste Toss Methods Questionnaire User Satisfaction Survey Post-Study System Usability Questionnaire (PSSUQ) Food Waste Tip Questionnaire (Intervention Group only)





Primary Outcome Measures :
  1. Phase 1: Food waste error [ Time Frame: Lab Test, average of 4 hours at Visit 1 ]
    Determining if the error from the FoodImage app is smaller than error from the pen-and-paper records.


Secondary Outcome Measures :
  1. Phase 2: Weight of all household waste [ Time Frame: Baseline to Day 14 ]
    Difference in change in total weight of all sources of household food waste.



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Layout table for eligibility information
Ages Eligible for Study:   18 Years to 65 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • age 18-65 years
  • body mass index 18.5 - 50 kg/m2, based on self-reported height and weight
  • Shops for groceries
  • Conducts some of the food shopping and food preparation for their household
  • Be willing to do food shopping for the study (if necessary)
  • Have an iPhone and an operable Apple ID, password, and email address and is willing to use these to collect data during the study, acknowledging that data usage, and associated charges, are a result of study participation
  • Be willing to complete all study procedures corresponding to their randomization group

Exclusion Criteria:

In addition to those who do not meet inclusion criteria, subjects who meet any of the following criteria will be excluded from enrollment:

  • Persons who are severely immune compromised
  • Persons who are pregnant, as assessed by self-report.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03309306


Locations
Layout table for location information
United States, Louisiana
Pennington Biomedical Research Center
Baton Rouge, Louisiana, United States, 70808
Sponsors and Collaborators
Pennington Biomedical Research Center
Ohio State University
Investigators
Layout table for investigator information
Principal Investigator: Corby K Martin, Ph.D. Pennington Biomedical Research Center
  Study Documents (Full-Text)

Documents provided by Corby K. Martin, Pennington Biomedical Research Center:
Informed Consent Form  [PDF] May 25, 2017
Study Protocol  [PDF] May 25, 2017
Statistical Analysis Plan  [PDF] October 6, 2017

Layout table for additonal information
Responsible Party: Corby K. Martin, Principal Investigator, Pennington Biomedical Research Center
ClinicalTrials.gov Identifier: NCT03309306    
Other Study ID Numbers: PBRC 2017-042
First Posted: October 13, 2017    Key Record Dates
Last Update Posted: January 6, 2020
Last Verified: January 2020
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

Layout table for additional information
Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No