Food Intake and Academic Performance Among Adolescents

Publication: Canadian Journal of Dietetic Practice and Research
22 August 2008

Abstract

Purpose: Prince Edward Island adolescents’ food use was examined, as were possible associations between food use and grade, sex, and academic performance.
Methods: Participants (n=325) were purposively selected from four junior high schools. Dietary data were collected using an adaptation of the 2003 Youth Risk Behavior Survey. Demographic information and self-reported academic performance were also assessed. Vegetable and fruit (VF) and milk scores were created, and multivariate analysis was performed to identify which combination of grade, sex, VF score, and milk score predicted academic performance best.
Results: Mean daily intakes of VF (4.3 ± 2.9 servings) and milk (1.7 ± 1.4 servings) were below recommended levels. Students with higher academic performance (average grades above 90%) were more likely to consume milk, vegetables, and fruit daily than were those who reported lower grades. There was no significant difference in the proportion of adequate milk intakes between students reporting higher and lower academic performance.
Conclusions: The association between VF intake and academic performance supports the need for further research with a larger, more representative sample.

Résumé

Objectif: La consommation alimentaire d’adolescents de l’Île-du-Prince-Édouard a été examinée, ainsi que les associations possibles entre la consommation alimentaire et le niveau scolaire, le sexe et le rendement scolaire.
Méthodes: Les participants (n=325) ont été choisis à dessein dans quatre écoles secondaires. Les données alimentaires ont été recueillies à l’aide d’une adaptation de la 2003 Youth Risk Behavior Survey. L’information démographique et les déclarations personnelles sur le rendement scolaire ont également été examinées. Des scores pour les fruits et légumes (FL) ainsi que le lait ont été créés, et une analyse multidimensionnelle a été menée pour déterminer quelle combinaison de niveau scolaire, sexe, score FL et score lait pouvait prédire le mieux le rendement scolaire.
Résultats: Les apports quotidiens moyens de FL (4,3 ± 2,9 portions) et de lait (1,7 ± 1,4 portions) étaient inférieurs aux niveaux recommandés. Les élèves présentant un meilleur rendement scolaire (notes moyennes dépassant 90%) avaient plus tendance à consommer du lait, des légumes et des fruits chaque jour que les élèves qui déclaraient des notes plus faibles. Il n’y avait pas de différence significative dans la proportion d’apports de lait adéquats entre les élèves déclarant un rendement scolaire élevé et faible.
Conclusions: L’association entre l’apport en FL et le rendement scolaire fait ressortir le besoin d’autres recherches auprès d’un échantillon plus nombreux et plus représentatif.

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Information & Authors

Information

Published In

cover image Canadian Journal of Dietetic Practice and Research
Canadian Journal of Dietetic Practice and Research
Volume 69Number 3September 2008
Pages: 141 - 144

History

Version of record online: 22 August 2008

Authors

Affiliations

Debbie MacLellan, PhD, RD
Department of Family and Nutritional Sciences, University of Prince Edward Island, Charlottetown, PE
Jennifer Taylor, PhD, RD
Department of Family and Nutritional Sciences, University of Prince Edward Island, Charlottetown, PE
Kyla Wood, BSc
Department of Family and Nutritional Sciences, University of Prince Edward Island, Charlottetown, PE

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Cited by

1. Adherence to Dietary Recommendations Supports Canadian Children’s Academic Achievement

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