Supplementing Menu Labeling With Calorie Recommendations to Test for Facilitation Effects

We examined the effect on food purchases of adding recommended calorie intake per day or per meal to the mandated calorie information posted on chain restaurant menus.Before and after New York City implemented calorie posting on chain restaurant menus in 2008, we provided daily, per-meal, or no calorie recommendations to randomized subsets of adult lunchtime customers (n = 1121) entering 2 McDonald's restaurants, in Manhattan and Brooklyn, and...