Research reveals new evidence that sugary beverage tax impacts are sustainable, effective
Tax in Seattle shows long-term reduction in demand and added sugars sold


Date:
December 1, 2021
Source:
University of Illinois at Chicago
Summary:
Two new studies based in Seattle provide evidence that public
policies to reduce consumption of added sugars through taxes on
sugar-sweetened beverages are effective and sustainable.



FULL STORY ==========================================================================
Two new studies published by researchers at the University of Illinois
Chicago provide evidence that public policies to reduce consumption of
added sugars through taxes on sugar-sweetened beverages are effective
and sustainable.


========================================================================== Sugar-sweetened beverages like soda, juice, and energy and sports
drinks, are the largest contributor of added sugars in American
diets. Overconsumption of added sugars significantly contributes
to obesity and is associated with comorbidities like diabetes,
which can increase cancer risks and result in more severe COVID-19
illness. Currently, more than 50% of adults and 65% of children consume
more added sugars than recommended.

Sugar-sweetened beverage taxes, often called soda taxes, aim to provide financial incentives to consumers choosing healthier beverages while
also funding public health programs.

The research team has been studying the implementation of sugar-sweetened beverage taxes throughout the U.S. and the new studies analyzed data
from Seattle, where the tax was implemented in 2018. The Seattle data
was compared with data from Portland, Oregon, a city of similar size
and demographics but without a sugar-sweetened beverage tax.

"While we and others have published a number of studies on the short-term effects of SSB taxes where they have been implemented in the U.S.,
these taxes are still relatively new, and we need scientific data on longer-term impacts to understand if the policies have the potential
to generate sustained public health benefits," said study lead author
Lisa Powell, distinguished professor and director of health policy and administration in the UIC School of Public Health.

The studies are the first to comprehensively evaluate the tax's long-term impact across all store types and across all beverages and sweets sold.



==========================================================================
The researchers obtained Nielsen retail scanner data on unit sales and
unit measurements, like fluid ounces or grams, of sugary beverages,
sweets, and stand-alone sugar products in Seattle and Portland. Data
included all sales from the available sample of food stores inclusive
of supermarkets and mass merchandise stores, as well as grocery, drug, convenience and dollar stores - - covering about 45% of all food store
sales.

In a Journal of Public Health Policy study titled "Impact of a
sugar-sweetened beverage tax two-year post-tax implementation in Seattle, Washington, United States," Powell's team looked specifically at the
economic impacts of the tax after two years.

Analysis showed: the prices of taxed beverages increased by 1.04 cents
per ounce, corresponding to a 59% tax pass-through rate; the volume sold
of taxed beverages fell by 22%; and no cross-border shopping.

A JAMA Network Open study titled "Evaluation of Changes in Grams of
Sugar Sold After the Implementation of the Seattle Sweetened Beverage
Tax" focused on the impact of the tax on estimates of sugar sold after
two years.

The researchers found that one year and two years after implementation,
the tax created a 23% reduction in grams of sugar sold from taxed
beverages. And while the analysis showed some offset from substitutions
-- a 4% increase in sugar sold from sweets?in both years and an initial increase in grams of sugar sold from untaxed beverages in the first year
only -- there was a net 19% reduction in grams of sugar sold from taxed beverages at two-years post-tax.

"Our studies show that even after accounting for potential substitution behaviors, like cross-border shopping or selection of other items with
added sugars, these taxes have a large, sustained impact on reducing
volume and grams of sugar sold from sugary beverages," Powell said. "This suggests that taxes may permanently reduce the demand for sugary beverages
and help to lower rates of health harms that are associated with added
sugars." Julien Leider is a co-author of both studies. Vanessa Oddo
is a co-author of the JAMA Network Open study. Funding from Bloomberg Philanthropies and Arnold Ventures Philanthropy supported the research.

In?December 2020, Powell's group was awarded new research funding from Bloomberg Philanthropies' Food Policy Program to expand this research
to?lead and support evaluation work in five key nutrition policy areas:
the federal Supplemental Nutrition Assistance Program, nutrition warning labels, retail food marketing, restaurant food and beverage offerings,
and nutrition standards and food and beverage offerings in schools and
public universities.

========================================================================== Story Source: Materials provided by
University_of_Illinois_at_Chicago. Note: Content may be edited for style
and length.


========================================================================== Journal References:
1. Lisa M. Powell, Julien Leider, Vanessa M. Oddo. Evaluation of
Changes in
Grams of Sugar Sold After the Implementation of the Seattle
Sweetened Beverage Tax. JAMA Network Open, 2021; 4 (11): e2132271
DOI: 10.1001/ jamanetworkopen.2021.32271
2. Lisa M. Powell, Julien Leider. Impact of a sugar-sweetened
beverage tax
two-year post-tax implementation in Seattle, Washington, United
States.

Journal of Public Health Policy, 2021; DOI:
10.1057/s41271-021-00308-8 ==========================================================================

Link to news story: https://www.sciencedaily.com/releases/2021/12/211201145301.htm

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