In a report to be published in the November issue of the journal Health Affairs, the NYU Langone team describes its analysis of information gathered from 7,699 fast-food diners in New York City and nearby New Jersey cities.
The study, in which researchers compared food orders in places with and without calorie counts, is believed to be the first long-term analysis of the effects of menu labeling in the United States. Researchers say it also offers early evidence of its possible impact as the federal government prepares to introduce the policy nationwide in December 2016 as part of its Affordable Care Act.
Researchers found that the average number of calories bought by patrons at each sitting between January 2013 and June 2014 was statistically the same as those in a similar survey of 1,068 fast-food diners in 2008, when New York City initially imposed menu labeling. Diners were surveyed at major fast-food chains: McDonald’s, Burger King, KFC, and Wendy’s.
Calorie counts in the 2013-2014 analysis averaged between 804 and 839 per meal at menu-labeled restaurants, and between 802 and 857 per meal at non-labeled eateries; whereas, they averaged 783 per meal for labeled restaurants and 756 per meal for non-labeled restaurants shortly after the policy was introduced.
For the surveys, diners entering the fast-food restaurant were asked to return their itemized receipt to research assistants and answer some follow-up questions in person in exchange for two dollars.
“Our study suggests that menu labeling, in particular at fast-food restaurants, will not on its own lead to any lasting reductions in calories consumed,” says study senior investigator Brian Elbel, PhD.
Elbel, an associate professor in the Department of Population Health at NYU Langone and at the NYU Wagner Graduate School of Public Service, says that while it is important to acknowledge the limitations of the menu-labeling policy by itself, a combination of policies, such as marketing regulations or price subsidies for healthy foods, may have a positive impact on the nation’s obesity epidemic.
There is still cause for optimism, he says, because the current and previous studies show at least some awareness of the bloated calorie counts in most fast food. “People are at least reading the information, some are even using it,” says Elbel, pointing out that among the study results from 2008, some 51 percent of survey respondents reported noticing the calorie counts, and 12 percent claimed that it influenced them to choose a lower-calorie item, even if it did not reduce overall caloric intake.
However, the number of people paying attention to the calorie counts diminishes over time. Elbel notes that at the start of the 2013 study, 45 percent of survey respondents said they noticed the calorie counts, a decrease from 2008 levels. As the study continued, this number dropped six months later to 41 percent and dropped again in 2014, to 37 percent, in the last set of surveys.
An estimated third of adult Americans are obese (with a body mass index of 30 or more), and that number is expected to rise to 42 percent by 2030, among the highest of any country in the developed world, he says.
Elbel says continued and closer monitoring of the impact of menu labeling should also boost success rates by showing more clearly where, for whom, and what kind of labeling shows the most promise. Potentially, he says, “labels may yet work at non-fast-food, family-style restaurant chains, or for specific groups of people with a greater need than most to consume fewer calories and eat more healthily. We will have to wait and see, while continuing to monitor and analyze the policy’s impact.”
Funding for the study was provided by the National Institutes of Health: specifically, National Institute of Diabetes and Digestive and Kidney Diseases grant R01 099241; and National Heart, Lung, and Blood Institute grant R01 HL095935. Additional funding support was provided by the New York State Health Foundation grant 12-01682, and the Robert Wood Johnson Foundation grant 70823.
In addition to Elbel, other researchers involved in this study are Jonathan Cantor, MS; Alejandro Torres, BS; and Courtney Abrams, MA.
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