Eating BehaviorNCT04507087
Documentary to Encourage Plant-based Eating
A study testing Documentary in people with Eating Behavior, run by Stanford University at 1 site in United States.
Trial summary
This study will assess whether watching a documentary video about the health, environmental, and ethical consequences of eating meat and animal products reduces participants' self-reported intake of these items. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- Eating Behavior
- What is being tested?
- Documentary
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 650 participants
- Where
- 1 siteUnited States
- Study dates
- 26 Aug 2020to 31 Dec 2020
- Phase
- Interventional
- 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 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Participant is currently located in the United States
- Participant is at least 18 years old
Who cannot join
- Participant is located outside the United States
- Participant is less than 18 years old
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Randomized Controlled Trial of a Documentary to Encourage Plant-based Eating
This study will assess whether watching a documentary video about the health, environmental, and ethical consequences of eating meat and animal products reduces participants' self-reported intake of these items.
Read the detailed description
See detailed preregistration: https://osf.io/xrckh/registrations
- Conditions
- Eating Behavior
- Being tested
- Documentary, Control
- Medical subject headings
- Feeding Behavior
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
DocumentaryBehavioural
A 20-minute documentary about the health, environmental, and animal welfare consequences of eating meat and animal products
ControlBehavioural
A 20-minute unrelated video (a motivational talk entitled "Listening to shame")
| Study group | Role | What they receive |
|---|---|---|
| Intervention | Experimental | See detailed preregistration: https://osf.io/xrckh/registrations Receives: Behavioral: Documentary |
| Control | Sham comparator | See detailed preregistration: https://osf.io/xrckh/registrations Receives: Behavioral: Control |
What is being measured
The primary outcome is the main question the study is designed to answer.
Total meat and animal product consumption
Self-reported meat and animal product consumption (ounces consumed over the past week)
Measured: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Secondary outcomes (4)
Total meat consumption
Self-reported meat consumption (ounces consumed over the past week)
Measured: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Total animal product consumption
Self-reported animal product consumption (ounces consumed over the past week)
Measured: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Consumption of each of 8 individual categories of meats and animal products
Self-reported consumption (ounces consumed over the past week)
Measured: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Total consumption of selected, healthy plant-based foods (ounces consumed over the past week)
Self-reported consumption (ounces consumed over the past week)
Measured: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted11 Aug 2020
- Study start26 Aug 2020
- Primary completion7 Sep 2020
- Study completion31 Dec 2020
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Eating BehaviorStudies of the same condition, open and under way.
- More trials run by Stanford UniversityThe sponsor's other registered studies.
- 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
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Other
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 650 participants (actual)
Sponsor and investigators
- Lead sponsor
- Stanford University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Maya Mathur, Stanford University
- Investigators
- Maya B Mathur, PhD, Principal investigator, Stanford University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04507087
- Sponsor's protocol ID
- eatingveg
- Status last verified
- Mar 2021
- First submitted
- 31 Jul 2020
- Last updated
- 17 Mar 2021
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: All materials and analysis code required to reproduce all results will be made publicly available. All data except for participants' counties of residence (which is considered identifying information) will also be made publicly available.
Study at a glance
From the registry record, last updated by the sponsor on 17 Mar 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Randomized Controlled Trial of a Documentary to Encourage Plant-based Eating
- ClinicalTrials.gov ID
- NCT04507087
- Acronym / sponsor ID
- eatingveg
- Conditions
- Eating Behavior
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 650 participants (actual)
- Lead sponsor
- Stanford UniversityUniversity, hospital or other
- Study start
- 26 Aug 2020 (actual)
- Primary completion
- 7 Sep 2020 (actual)
- Study completion
- 31 Dec 2020 (actual)
- First posted
- 11 Aug 2020 (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.
This study will assess whether watching a documentary video about the health, environmental, and ethical consequences of eating meat and animal products reduces participants' self-reported intake of these items.
Detailed description
See detailed preregistration: https://osf.io/xrckh/registrations
Study design
- Primary purpose
- Other
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Intervention | Experimental | Behavioral: DocumentarySee detailed preregistration: https://osf.io/xrckh/registrations |
| Control | Sham comparator | Behavioral: ControlSee detailed preregistration: https://osf.io/xrckh/registrations |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Participant is currently located in the United States
- Participant is at least 18 years old
Key exclusion criteria (2 listed)
- Participant is located outside the United States
- Participant is less than 18 years old
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| DocumentaryA 20-minute documentary about the health, environmental, and animal welfare consequences of eating meat and animal products | Behavioural | Intervention |
| ControlA 20-minute unrelated video (a motivational talk entitled "Listening to shame") | Behavioural | Control |
Primary outcome
Total meat and animal product consumption
Time frame: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Self-reported meat and animal product consumption (ounces consumed over the past week)
4 secondary outcomes
Total meat consumption
Time frame: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Total animal product consumption
Time frame: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Consumption of each of 8 individual categories of meats and animal products
Time frame: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
Total consumption of selected, healthy plant-based foods (ounces consumed over the past week)
Time frame: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection
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 17 Mar 2021.
- Future location of data, code, and materialsLink provided by the sponsor.
- Detailed preregistrationLink provided by the sponsor.
- Individual participant dataSharing planned: Yes. All materials and analysis code required to reproduce all results will be made publicly available. All data except for participants' counties of residence (which is considered identifying information) will also be made publicly available.
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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.
Maya B Mathur, PhD principal investigator
Stanford University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Documentary in people with Eating Behavior, run by Stanford University at 1 site in United States.
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 2 inclusion and 2 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 17 Mar 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. 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?
Total meat and animal product consumption (time frame: Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
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 17 Mar 2021.