The Impact of the Availability of School Vending Machines on Eating Behavior during Lunch: The Youth Physical Activity and Nutrition Survey
The Impact of the Availability of School Vending Machines on Eating Behavior during Lunch: The Youth Physical Activity and Nutrition Survey
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DOI:
10.1016/j.jada.2010.07.003
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发表时间:
2010-10-01
影响因子:
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通讯作者:
Bensyl, Diana M.
中科院分区:
文献类型:
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作者:
Park, Sohyun;Sappenfield, William M.;Bensyl, Diana M.
Childhood obesity is a major public health concern and is associated with substantial morbidities. Access to less-healthy foods might facilitate dietary behaviors that contribute to obesity. However, less-healthy foods are usually available in school vending machines. This cross-sectional study examined the prevalence of students buying snacks or beverages from school vending machines instead of buying school lunch and predictors of this behavior. Analyses were based on the 2003 Florida Youth Physical Activity and Nutrition Survey using a representative sample of 4,322 students in grades six through eight in 73 Florida public middle schools. Analyses included chi(2) tests and logistic regression. The outcome measure was buying a snack or beverage from vending machines 2 or more days during the previous 5 days instead of buying lunch. The survey response rate was 72%. Eighteen percent of respondents reported purchasing a snack or beverage from a vending machine 2 or more days during the previous 5 school days instead of buying school lunch. Although healthier options were available, the most commonly purchased vending machine items were chips, pretzels/crackers, candy bars, soda, and sport drinks. More students. chose snacks or beverages instead of lunch in schools where beverage vending machines were also available than did students in schools where beverage vending machines were unavailable: 19% and 7%, respectively (P