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J Am Diet Assoc. 2006 Oct;106(10):1624-30.

School vending machine use and fast-food restaurant use are associated with sugar-sweetened beverage intake in youth.

Author information

  • 1Department of Society, Human Development and Health, Harvard School of Public Health, Boston, MA 02115, USA. jwiecha@hsph.harvard.edu <jwiecha@hsph.harvard.edu>

Abstract

OBJECTIVE:

To examine associations between use of school vending machines and fast-food restaurants and youth intake of sugar-sweetened beverages.

DESIGN:

A cross-sectional observational study.

SUBJECTS/SETTING:

From a group randomized obesity intervention, we analyzed baseline data from 1,474 students in 10 Massachusetts middle schools with vending machines that sold soda and/or other sweetened drinks.

MAIN OUTCOME MEASURES:

Daily sugar-sweetened beverage consumption (regular soda, fruit drinks, and iced tea), purchases from school vending machines, and visits to fast-food restaurants in the preceding 7 days were estimated by self-report.

STATISTICAL ANALYSES PERFORMED:

Chi(2) and nonparametric tests were performed on unadjusted data; multivariable models adjusted for sex, grade, body mass index, and race/ethnicity, and accounted for clustering within schools.

RESULTS:

Among 646 students who reported using school vending machines, 456 (71%) reported purchasing sugar-sweetened beverages. Overall, 977 students (66%) reported eating at a fast-food restaurant. Sugar-sweetened beverage intakes averaged 1.2 servings per day. In adjusted models, relative to no vending machine purchases, servings per day increased by 0.21 for one to three purchases per week (P=0.0057), and 0.71 with four or more purchases (P<0.0001). Relative to no fast-food restaurant visits, sugar-sweetened beverage servings per day increased by 0.13 with one visit per week (P=0.07), 0.49 with two to three visits (P=0.0013), and by 1.64 with four or more visits (P=0.0016).

CONCLUSIONS:

Among students who use school vending machines, more report buying sugar-sweetened beverages than any other product category examined. Both school vending machine and fast-food restaurant use are associated with overall sugar-sweetened beverage intake. Reduction in added dietary sugars may be attainable by reducing use of these sources or changing product availability.

PMID:
17000195
[PubMed - indexed for MEDLINE]
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