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Nutrients 2015, 7(4), 2961-2982; doi:10.3390/nu7042961

A Western Dietary Pattern Is Associated with Poor Academic Performance in Australian Adolescents

1
School of Population Health, The University of Western Australia, Perth 6009, Australia
2
Telethon Kids Institute, The University of Western Australia, Perth 6008, Australia
3
WZB Berlin Social Science Center, Reichpietschufer 50 D-10785 Berlin, Germany
4
Centre for Population Health Research, The Faculty of Health Sciences, Curtin University, Perth 6102, Australia
5
School of Psychology & Speech Pathology, Curtin University; Perth 6102, Australia
6
Neurosciences Unit, Health Department of Western Australia; Perth 6102, Australia
7
School of Paediatrics & Child Health, The University of Western Australia, Perth 6008, Australia
*
Author to whom correspondence should be addressed.
Received: 12 March 2015 / Revised: 9 April 2015 / Accepted: 10 April 2015 / Published: 17 April 2015
(This article belongs to the Special Issue Dietary Pattern and Health)
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Abstract

The aim of this study was to investigate cross-sectional associations between dietary patterns and academic performance among 14-year-old adolescents. Study participants were from the Western Australian Pregnancy Cohort (Raine) Study. A food frequency questionnaire was administered when the adolescents were 14 years old, and from the dietary data, a ‘Healthy’ and a ‘Western’ dietary pattern were identified by factor analysis. The Western Australian Literacy and Numeracy Assessment (WALNA) results from grade nine (age 14) were linked to the Raine Study data by The Western Australian Data Linkage Branch. Associations between the dietary patterns and the WALNA (mathematics, reading and writing scores) were assessed using multivariate linear regression models adjusting for family and socioeconomic characteristics. Complete data on dietary patterns, academic performance and covariates were available for individuals across the different analyses as follows: n = 779 for mathematics, n = 741 for reading and n = 470 for writing. Following adjustment, significant negative associations between the ‘Western’ dietary pattern and test scores for mathematics (β = −13.14; 95% CI: −24.57; −1.76); p = 0.024) and reading (β = −19.16; 95% CI: −29.85; −8.47; p ≤ 0.001) were observed. A similar trend was found with respect to writing (β = −17.28; 95% CI: −35.74; 1.18; p = 0.066). ANOVA showed significant trends in estimated means of academic scores across quartiles for both the Western and Healthy patterns. Higher scores for the ‘Western’ dietary pattern are associated with poorer academic performance in adolescence. View Full-Text
Keywords: diet; academic performance; adolescence; Raine Study diet; academic performance; adolescence; Raine Study
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Nyaradi, A.; Li, J.; Hickling, S.; Foster, J.K.; Jacques, A.; Ambrosini, G.L.; Oddy, W.H. A Western Dietary Pattern Is Associated with Poor Academic Performance in Australian Adolescents. Nutrients 2015, 7, 2961-2982.

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