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School food environments and practices affect dietary behaviors of US public school children.
J Am Diet Assoc 2009; 109(2 Suppl):S91-107JA

Abstract

BACKGROUND

Changes to school food environments and practices that lead to improved dietary behavior are a powerful strategy to reverse the childhood obesity epidemic.

OBJECTIVES

To estimate the effects of school food environments and practices, characterized by access to competitive foods and beverages, school lunches, and nutrition promotion, on children's consumption of sugar-sweetened beverages, low-nutrient energy-dense foods, and fruits/vegetables at school.

DESIGN

Cross-sectional study using data from the third School Nutrition Dietary Assessment Study, a nationally representative sample of public school districts, schools, and children in school year 2004-2005. Data from school principals and foodservice directors, school menu analysis, and on-site observations were used to characterize school food environments and practices. Dietary intake was assessed using 24-hour recalls.

SUBJECTS/SETTING

The sample consists of 287 schools and 2,314 children in grades one through 12.

STATISTICAL ANALYSES PERFORMED

Ordinary least squares regression was used to identify the association between school food environments and practices (within elementary, middle, and high schools) and dietary outcomes, controlling for other school and child/family characteristics.

RESULTS

Sugar-sweetened beverages obtained at school contributed a daily mean of 29 kcal in middle school children and 46 kcal in high school children across all school children. Attending a school without stores or snack bars was estimated to reduce sugar-sweetened beverage consumption by 22 kcal per school day in middle school children (P<0.01) and by 28 kcal in high school children (P<0.01). The lack of a pouring rights contract in a school reduced sugar-sweetened beverage consumption by 16 kcal (P<0.05), and no à la carte offerings in a school reduced consumption by 52 kcal (P<0.001) in middle school children. The most effective practices for reducing energy from low-energy, energy-dense foods were characteristics of the school meal program; not offering french fries reduced low-nutrient, energy-dense foods consumption by 43 kcal in elementary school children (P<0.01) and sugar-sweetened beverage consumption by 41 kcal in high school children (P<0.001).

CONCLUSIONS

To improve children's diet and reduce obesity continued changes to school food environments and practices are essential. Removing sugar-sweetened beverages from school food stores and snack bars, improving à la carte choices, and reducing the frequency of offering french fries merit testing as strategies to reduce energy from low-nutrient, energy-dense foods at school.

Authors+Show Affiliations

Mathematica Policy Research, Inc, PO Box 2393, Princeton, NJ 08543-2393, USA. rbriefel@mathematica-mpr.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19166677

Citation

Briefel, Ronette R., et al. "School Food Environments and Practices Affect Dietary Behaviors of US Public School Children." Journal of the American Dietetic Association, vol. 109, no. 2 Suppl, 2009, pp. S91-107.
Briefel RR, Crepinsek MK, Cabili C, et al. School food environments and practices affect dietary behaviors of US public school children. J Am Diet Assoc. 2009;109(2 Suppl):S91-107.
Briefel, R. R., Crepinsek, M. K., Cabili, C., Wilson, A., & Gleason, P. M. (2009). School food environments and practices affect dietary behaviors of US public school children. Journal of the American Dietetic Association, 109(2 Suppl), pp. S91-107. doi:10.1016/j.jada.2008.10.059.
Briefel RR, et al. School Food Environments and Practices Affect Dietary Behaviors of US Public School Children. J Am Diet Assoc. 2009;109(2 Suppl):S91-107. PubMed PMID: 19166677.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - School food environments and practices affect dietary behaviors of US public school children. AU - Briefel,Ronette R, AU - Crepinsek,Mary Kay, AU - Cabili,Charlotte, AU - Wilson,Ander, AU - Gleason,Philip M, PY - 2008/06/05/received PY - 2009/1/27/entrez PY - 2009/3/17/pubmed PY - 2009/4/7/medline SP - S91 EP - 107 JF - Journal of the American Dietetic Association JO - J Am Diet Assoc VL - 109 IS - 2 Suppl N2 - BACKGROUND: Changes to school food environments and practices that lead to improved dietary behavior are a powerful strategy to reverse the childhood obesity epidemic. OBJECTIVES: To estimate the effects of school food environments and practices, characterized by access to competitive foods and beverages, school lunches, and nutrition promotion, on children's consumption of sugar-sweetened beverages, low-nutrient energy-dense foods, and fruits/vegetables at school. DESIGN: Cross-sectional study using data from the third School Nutrition Dietary Assessment Study, a nationally representative sample of public school districts, schools, and children in school year 2004-2005. Data from school principals and foodservice directors, school menu analysis, and on-site observations were used to characterize school food environments and practices. Dietary intake was assessed using 24-hour recalls. SUBJECTS/SETTING: The sample consists of 287 schools and 2,314 children in grades one through 12. STATISTICAL ANALYSES PERFORMED: Ordinary least squares regression was used to identify the association between school food environments and practices (within elementary, middle, and high schools) and dietary outcomes, controlling for other school and child/family characteristics. RESULTS: Sugar-sweetened beverages obtained at school contributed a daily mean of 29 kcal in middle school children and 46 kcal in high school children across all school children. Attending a school without stores or snack bars was estimated to reduce sugar-sweetened beverage consumption by 22 kcal per school day in middle school children (P<0.01) and by 28 kcal in high school children (P<0.01). The lack of a pouring rights contract in a school reduced sugar-sweetened beverage consumption by 16 kcal (P<0.05), and no à la carte offerings in a school reduced consumption by 52 kcal (P<0.001) in middle school children. The most effective practices for reducing energy from low-energy, energy-dense foods were characteristics of the school meal program; not offering french fries reduced low-nutrient, energy-dense foods consumption by 43 kcal in elementary school children (P<0.01) and sugar-sweetened beverage consumption by 41 kcal in high school children (P<0.001). CONCLUSIONS: To improve children's diet and reduce obesity continued changes to school food environments and practices are essential. Removing sugar-sweetened beverages from school food stores and snack bars, improving à la carte choices, and reducing the frequency of offering french fries merit testing as strategies to reduce energy from low-nutrient, energy-dense foods at school. SN - 1878-3570 UR - https://www.unboundmedicine.com/medline/citation/19166677/School_food_environments_and_practices_affect_dietary_behaviors_of_US_public_school_children_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0002-8223(08)02052-X DB - PRIME DP - Unbound Medicine ER -