Banning vending machines from schools does not reduce soda consumption among students

Published on August 4, 2014 at 1:20 AM · No Comments

Banning vending machines from schools can actually increase soda and fast food consumption among students if it's the only school food policy change implemented, according to research conducted at the University of Illinois at Chicago.

The study, published online in the journal PLOS ONE, looked exclusively at regular soda consumption - not diet soda or other sugar sweetened beverages - and fast food. The authors are analyzing other sugar sweetened beverages in an independent, ongoing study.

The researchers wanted to find out if having vending machines in schools affected daily intake of soda and eating unhealthy fast foods outside of school when combined with other factors such as state tax rates and soda bans in schools. The study included 8,245 high school students in 27 states.

The study linked student data from the National Youth Physical Activity and Nutrition Study with state-level data on soda taxes, restaurant taxes, and laws governing the sale of soda in schools in 2010.

The researchers found that 23 percent of students reported drinking at least one soda per day if they had access to vending machines in schools, compared to 28 percent of students who did not have access. However, these differences were only observed in states where soda was taxed less or students were able to buy soda from the school cafeteria or the school store.

The study also found that students eat more fast food when vending machines are removed, particularly when state sales tax rates for restaurant foods are lower, according to the authors.

The study shows that "there may be unintended effects if you only make small-scale changes. When more comprehensive changes were implemented, there were no unintended effects," said Daniel Taber, lead author and a former researcher at UIC's Institute for Health Research and Policy. The authors caution that the study does not necessarily mean bad news for school nutrition policies - only that an isolated change in the school food environment is not likely to have an impact when kids have access to high-fat, high-calorie foods and beverages from other sources.

Other studies have shown that long-term, comprehensive changes in school food policies, including strengthening school meal standards, can have a positive impact on students' health.

"Policy changes really need to be comprehensive and not just focused on one item such as regular soda or one location such as cafeterias," said Jamie Chriqui, a study coauthor and senior research scientist at UIC's Institute for Health Research and Policy.

Source:

University of Illinois

Posted in: Child Health News | Medical Research News | Healthcare News

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