Examining Trends in Beverage Sales in New York City During Comprehensive Efforts to Reduce Sugary Drink Consumption, 201
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ORIGINAL PAPER
Examining Trends in Beverage Sales in New York City During Comprehensive Efforts to Reduce Sugary Drink Consumption, 2010–2015 Julia S. Sisti1 · Tamar Adjoian Mezzacca1 · Amaka Anekwe1 · Shannon M. Farley1
© This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2020
Abstract Since 2006, New York City (NYC) has attempted to reduce sugary drink consumption through several population-based initiatives, media campaigns and policy proposals. We estimated trends in the relative market share of sugary drinks and other beverage categories in NYC, using over 5 years of weekly, point-of-sale data from a retailer sample. We used an interrupted time series approach to assess whether changes in NYC beverage purchasing patterns occurred following the announcement of a proposed portion cap rule for consumer purchases of sugary drinks. Overall, market share of sugary drinks declined in NYC between 2010 and 2015. While the proportion of beverage volume sold that was sugary drinks was stable prior to the May 2012 portion cap rule announcement, decreases of 1.25% per year were observed in the period following the announcement compared to the period before (95% confidence interval (CI) − 1.60, − 0.90). Water/seltzer market share was increasing prior to the announcement and increased by an additional 1.03% per year in the post-announcement period (95% CI 0.48, 1.57). City-led efforts to increase public awareness about sugary drink-associated health risks in NYC may have led to reductions in consumer purchases of these beverages. Though never implemented, the portion cap proposal and accompanying media coverage may have contributed to decreases in sugary drink sales. Keywords Sugary drinks · New York City · Portion cap rule · Interrupted time series analysis · Consumer behavior · Food policy
Introduction Reducing sugary drink consumption is a public health priority. Sugary drink consumption is linked to weight gain, cavities, type-2 diabetes, and heart disease [1–4]. These beverages contain little to no nutritional value and represent the greatest contributor to added sugars in the diets of Americans aged 2 and older [5]. In New York City (NYC), almost one-fourth of adults drink one or more sugary drinks daily, and consumption is higher among low-income populations and communities Electronic supplementary material The online version of this article (https://doi.org/10.1007/s10900-020-00911-y) contains supplementary material, which is available to authorized users. * Julia S. Sisti [email protected] 1
New York City Department of Health and Mental Hygiene, Bureau of Chronic Disease Prevention, Queens, NY 11101, USA
of color, [6] disparities which may reflect targeted marketing efforts by the beverage industry [7, 8]. These consumption patterns may also contribute to inequities in chronic disease prevalence. For over a decade, the NYC Department of Health and Mental Hygiene (Health Department) has implemented institution- and community-based in
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