Randomized Controlled Trial of a Documentary to Encourage Plant-based Eating
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- Stanford University
- Enrollment
- 650
- Locations
- 1
- Primary Endpoint
- Total meat and animal product consumption
Study Overview
Brief 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.
Detailed Description
See detailed preregistration: https://osf.io/xrckh/registrations
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Other
- Masking
- None
Eligibility Criteria
- Ages
- 18 Years to — (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •Participant is currently located in the United States
- •Participant is at least 18 years old
Exclusion Criteria
- •Participant is located outside the United States
- •Participant is less than 18 years old
Arms & Interventions
Intervention
See detailed preregistration: https://osf.io/xrckh/registrations
Intervention: Documentary (Behavioral)
Control
See detailed preregistration: https://osf.io/xrckh/registrations
Intervention: Control (Behavioral)
Outcomes
Primary Outcomes
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)
Secondary Outcomes
- Total meat consumption(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)(Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection)
- Total animal product consumption(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(Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection)
Investigators
Maya Mathur
Assistant Professor
Stanford University
