Documentary to Encourage Plant-based Eating

Not Applicable

Completed

• Conditions: Eating Behavior
• Interventions: Behavioral: Documentary; Behavioral: Control

• Registration Number: NCT04507087
• Lead Sponsor: Stanford University

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 Timeline

• Study First Submitted: 2020-07-31
• Study First Submitted QC: 2020-08-05
• Study First Posted: 2020-08-11
• Study Start: 2020-08-26
• Primary Completion: 2020-09-07
• Study Completion: 2020-12-31
• Status Verified: 2021-03
• Last Update Submitted: 2021-03-15
• Last Update Posted: 2021-03-17

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 650

Inclusion Criteria

• Participant is currently located in the United States
• Participant is at least 18 years old

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Exclusion Criteria

• Participant is located outside the United States
• Participant is less than 18 years old

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Intervention	Documentary	See detailed preregistration: https://osf.io/xrckh/registrations
Control	Control	See detailed preregistration: https://osf.io/xrckh/registrations

Primary Outcome Measures

Name	Time	Method
Total meat and animal product consumption	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 Outcome Measures

Name	Time	Method
Total meat consumption	Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection	Self-reported meat consumption (ounces consumed over the past week)
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	Self-reported consumption (ounces consumed over the past week)
Total animal product consumption	Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection	Self-reported animal product consumption (ounces consumed over the past week)
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	Self-reported consumption (ounces consumed over the past week)

Trial Locations

Locations (1)

Maya Mathur; 🇺🇸 Palo Alto, California, United States