Estimating the effect of calorie menu labeling on calories purchased in a large restaurant franchise in the southern United States: quasi-experimental study.

ABSTRACT:

Objective

To evaluate whether calorie labeling of menus in large restaurant chains was associated with a change in mean calories purchased per transaction.

Design

Quasi-experimental longitudinal study.

Setting

Large franchise of a national fast food company with three different restaurant chains located in the southern United States (Louisiana, Texas, and Mississippi) from April 2015 until April 2018.

Participants

104 restaurants with calorie information added to in-store and drive-thru menus in April 2017 and with weekly aggregated sales data during the pre-labeling (April 2015 to April 2017) and post-labeling (April 2017 to April 2018) implementation period.

Main outcome measures

Primary outcome was the overall level and trend changes in mean purchased

SUBMITTER: Petimar J 

PROVIDER: S-EPMC6818731 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature