Additional file 1 of Testing the effect of a dynamic descriptive social norm message on meat-free food selection in worksite cafeterias: a randomized controlled trial

Additional file 1: S1-S5 S1. Script for opportunistic interviews with cafeteria customers. S2. Mixed-effects regression model results for weekly total meal sales during the intervention period. S3. Sensitivity analysis (conducted excluding two cafeterias with low intervention fidelity) mixed-effects regression model results for weekly percentage of meat-free meal sales during the intervention period. S4. Sensitivity analysis (conducted excluding two cafeterias with low intervention fidelity) mixed-effects regression model results for weekly percentage of meat-free meal sales during the intervention period with interactions S5. Sensitivity analysis (conducted excluding two cafeterias with low intervention fidelity) mixed-effects regression model results for weekly total meal sales during the intervention period.