Source record
Increasing vegetarian availability in a French university restaurant
(2023). French university catering research group.
Key findings
- Doubling vegetarian availability raised the odds of a vegetarian choice by about 2.6 times.
- Reported satisfaction was slightly higher, not lower.
- Only about 6% of diners noticed that anything had changed.
Record
- Source type
- Peer Reviewed Study
- Study type
- Randomised Controlled Trial
- Topics
- Menus & catering
- Geography
- France
- Population
- University restaurant diners
- Funding & conflicts
- Not recorded.
- Source quality
- Moderate evidenceA replication in a different country with a consistent direction of effect, but a single site.
Limitations
- A single institution, and a student population that is not typical of the country.
- Record pending verification against the published paper, including the exact citation.
Statistics we use from this source
- 2.6odds ratioOdds of a vegetarian choice when availability doubled
- 6%Diners who noticed the menu had changed
Claims this source supports
EnvironmentModerate evidence
Increasing the share of plant-based options on a menu increases the share of plant-based meals sold, without reducing total sales.
Yes, in canteen settings. Doubling vegetarian availability raised vegetarian sales by roughly 8 to 15 percentage points, and almost nobody noticed the change.