N/A
N=42
Evaluating Household Food Behavior With a Smartphone App
Food Habits
Bottom Line
View on ClinicalTrials.gov: NCT03309306 ↗Enrolled (actual)
42
Serious AEs
0.0%
Results posted
Jan 2025
Primary outcome: Primary: Phase 1: Food Waste Error — -16.25; 31.34; 20553.6 grams
Study Design & Population
- Study type
- Interventional
- Phase
- N/A
- Interventions
- Natural Environment/Stress Management (Other); Natural Environment/Reduce Food Waste (Behavioral)
- Age
- Adult, Older Adult · 18+ yrs
- Sex
- All
- Sponsor
- Pennington Biomedical Research Center
- Primary completion
- Sep 2018
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Phase 1: Food Waste Error |
-16.25; 31.34; 20553.6 | — |
| SECONDARY Phase 2: Weight of All Household Waste |
-232.65; -325.05 | — |
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.
Eligibility 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
- Pennington employee
Data sourced from ClinicalTrials.gov (NCT03309306). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.