ObesityNCT03390075
The Effect of Shelf Nutrition Labels on Purchases
An observational study of Obesity, run by University of Georgia.
Trial summary
NuVal® shelf nutrition labels rate the nutritional quality of foods on a scale of 1 (worst) to 100 (best). In 2014, NuVal updated their nutrient profiling system which changed the NuVal score on many foods. Read more about this study
- Who is it for?
- Ages 18 to 100 yearsHealthy volunteers can take part
- Conditions the study is for
- Obesity
- How many people
- 665 participants
- Where
- No sites listed yet
- Study dates
- 4 Jun 2016to 31 Aug 2017
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 100 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: US grocery shoppers
Who may be able to join
- US adults regularly shopping at one of two retail chains using NuVal
Who cannot join
- -
About this study
Official title: Identifying the Effect of Shelf Nutrition Labels on Consumer Purchases, Results of a Natural Experiment and Consumer Survey
NuVal® shelf nutrition labels rate the nutritional quality of foods on a scale of 1 (worst) to 100 (best). In 2014, NuVal updated their nutrient profiling system which changed the NuVal score on many foods. The investigators took advantage of this "natural experiment" to assess the extent to which a change in the NuVal score at a grocery chain influenced yogurt purchases, a category with a wide range of more and less healthy alternatives. The investigators supplemented the retail scanner data with a survey of consumers in stores using NuVal labels to obtain their experience with the labels and the extent to which they state it influences their purchases.
- Conditions
- Obesity
- Keywords
- shelf nutrition label, NuVal
- Medical subject headings
- Obesity
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| ResearchNow NuVal shoppers | a convenience sample of 665 shoppers at two NuVal chains. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Diet quality as measured by the NuVal scores of yogurt purchased
The investigators measured diet quality using weekly yogurt sales data supplied by a US grocery chain. Using an econometric model of yogurt demand, the investigators associated changes in yogurt sales volume for each product before and after the NuVal score change with the direction and magnitude of the score change.
Measured: From 12/30/12 to 8/22/15
Secondary outcomes (1)
Knowledge and stated use of NuVal labels by participants of an online survey
The investigators conducted an online survey of 665 adult shoppers of two grocery chains that adopted NuVal. The survey elicited participants' awareness of the label, knowledge of NuVal, and stated use of NuVal and other nutrition labels.
Measured: June 2016
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted4 Jan 2018
- Study start4 Jun 2016
- Primary completion29 Jun 2016
- Study completion31 Aug 2017
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for ObesityStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case only
- Time perspective
- Cross-sectional
- Enrolment
- 665 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Georgia
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Chen Zhen, University of Georgia
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03390075
- Sponsor's protocol ID
- STUDY00003430
- Status last verified
- Jan 2025
- First submitted
- 7 Nov 2017
- Last updated
- 8 Jan 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Finkelstein EA, Li W, Melo G, Strombotne K, Zhen C. Identifying the effect of shelf nutrition labels on consumer purchases: results of a natural experiment and consumer survey. Am J Clin Nutr. 2018 Apr 1;107(4):647-651. doi: 10.1093/ajcn/nqy014.
PubMed 29635504
Study at a glance
From the registry record, last updated by the sponsor on 8 Jan 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Identifying the Effect of Shelf Nutrition Labels on Consumer Purchases, Results of a Natural Experiment and Consumer Survey
- ClinicalTrials.gov ID
- NCT03390075
- Acronym / sponsor ID
- STUDY00003430
- Conditions
- Obesity
- Keywords
- shelf nutrition label, NuVal
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 665 participants (actual)
- Lead sponsor
- University of GeorgiaUniversity, hospital or other
- Study start
- 4 Jun 2016 (actual)
- Primary completion
- 29 Jun 2016 (actual)
- Study completion
- 31 Aug 2017 (actual)
- First posted
- 4 Jan 2018 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
NuVal® shelf nutrition labels rate the nutritional quality of foods on a scale of 1 (worst) to 100 (best). In 2014, NuVal updated their nutrient profiling system which changed the NuVal score on many foods. The investigators took advantage of this "natural experiment" to assess the extent to which a change in the NuVal score at a grocery chain influenced yogurt purchases, a category with a wide range of more and less healthy alternatives. The investigators supplemented the retail scanner data with a survey of consumers in stores using NuVal labels to obtain their experience with the labels and the extent to which they state it influences their purchases.
Study design
- Observational model
- Case only
- Time perspective
- Cross-sectional
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| ResearchNow NuVal shoppers | – | –a convenience sample of 665 shoppers at two NuVal chains. |
Who may qualify
- Ages
- 18 to 100 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- US grocery shoppers
Key inclusion criteria (1 listed)
- US adults regularly shopping at one of two retail chains using NuVal
Key exclusion criteria (1 listed)
- -
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Diet quality as measured by the NuVal scores of yogurt purchased
Time frame: From 12/30/12 to 8/22/15
The investigators measured diet quality using weekly yogurt sales data supplied by a US grocery chain. Using an econometric model of yogurt demand, the investigators associated changes in yogurt sales volume for each product before and after the NuVal score change with the direction and magnitude of the score change.
1 secondary outcome
Knowledge and stated use of NuVal labels by participants of an online survey
Time frame: June 2016
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 8 Jan 2025.
- Derived from this study: PubMed 29635504Finkelstein EA, Li W, Melo G, Strombotne K, Zhen C. Identifying the effect of shelf nutrition labels on consumer purchases: results of a natural experiment and consumer survey. Am J Clin Nutr. 2018 Apr 1;107(4):647-651. doi: 10.1093/ajcn/nqy014.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
An observational study of Obesity, run by University of Georgia.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 8 Jan 2025. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Diet quality as measured by the NuVal scores of yogurt purchased (time frame: From 12/30/12 to 8/22/15). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03390075, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Jan 2025.