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Review
. 2017 Sep 25;5(4):60.
doi: 10.3390/healthcare5040060.

Associations between Dietary Intake and Academic Achievement in College Students: A Systematic Review

Tracy L Burrows  1 , Megan C Whatnall  2 , Amanda J Patterson  3 , Melinda J Hutchesson  4
Affiliations
Review

Associations between Dietary Intake and Academic Achievement in College Students: A Systematic Review

Tracy L Burrows et al. Healthcare (Basel). .

Abstract

The impact of diet on academic achievement is a growing area of research. The aim of this systematic review was to evaluate the current evidence examining dietary intake and academic achievement in college/university students. Eight electronic databases were searched for studies published in English to January 2016. To be included, studies must have been conducted in higher education (i.e., college, university) students, reported measures of dietary intake and academic achievement, and reported the association between these. Data were extracted using a standardised tool, and studies were assessed for methodological quality. Seven studies were included, with four rated as positive quality, and the remaining three rated as neutral. Most studies were cross-sectional (n = 4), and conducted in America (n = 5). The most common dietary outcomes were fruit and vegetable (n = 3), and breakfast consumption (n = 3). Standardised grade point average (GPA) was the most common measure of academic achievement (n = 4). Five studies reported small to moderate significant positive associations between diet and academic achievement, including for breakfast, regular meal consumption, and meeting national recommendations for fruit intake. This review examines the current evidence regarding diet and academic achievement in college/university students. The results demonstrate that few studies exist in this population group. Future studies should consider the use of validated dietary assessment methods, comprehensive measures of overall diet, and use standardised assessment and reporting of academic outcomes.

Keywords: academic achievement; college students; diet; systematic review; university students.

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Conflict of interest statement

The authors declare no conflict of interest.

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Figure 1
Dietary intake and academic achievement systematic review: Flow diagram.
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