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Am J Prev Med. 2011 Feb;40(2):122-7. doi: 10.1016/j.amepre.2010.10.019.

Mandatory menu labeling in one fast-food chain in King County, Washington.

Author information

  • 1Department of Health Services and Systems Research, Duke-National University of Singapore Graduate Medical School, Singapore. eric.fınkelstein@duke-nus.edu.sg

Abstract

BACKGROUND:

As part of a comprehensive effort to stem the rise in obesity, King County, Washington, enforced a mandatory menu-labeling regulation requiring all restaurant chains with 15 or more locations to disclose calorie information at the point of purchase beginning in January 2009.

PURPOSE:

The purpose of this study is to quantify the impact of the King County regulation on transactions and purchasing behavior at one Mexican fast-food chain with locations within and adjacent to King County.

METHODS:

To examine the effect of the King County regulation, a difference-in-difference approach was used to compare total transactions and average calories per transaction between seven King County restaurants and seven control locations focusing on two time periods: one period immediately following the law until the posting of drive-through menu boards (January 2009 to July 2009) and a second period following the drive-through postings (August 2009 through January 2010). Analyses were conducted in 2010.

RESULTS:

No impact of the regulation on purchasing behavior was found. Trends in transactions and calories per transaction did not vary between control and intervention locations after the law was enacted.

CONCLUSIONS:

In this setting, mandatory menu labeling did not promote healthier food-purchasing behavior.

Copyright © 2011 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

PMID:
21238859
[PubMed - indexed for MEDLINE]
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