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Energy drinks, caffeine, junk food, breakfast, depression and academic attainment of secondary school students.

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cam.issuedOnline2018-06-27
dc.contributor.authorSmith, Andrew P
dc.contributor.authorRichards, Gareth
dc.contributor.orcidSmith, Andrew P [0000-0001-8805-8028]
dc.contributor.orcidRichards, Gareth [0000-0003-0233-0153]
dc.date.accessioned2018-10-31T06:51:20Z
dc.date.available2018-10-31T06:51:20Z
dc.date.issued2018-08
dc.description.abstractBACKGROUND: Energy drinks are widely consumed, and concerns have been raised about possible negative outcomes. AIMS: The aim of the present research was to examine associations between consumption of energy drinks, caffeine and junk food, and academic attainment in a sample of UK secondary school students. METHODS: A total of 3071 students agreed to participate in the study; 2677 completed the survey on one occasion (52.4% female, 47.6% male; approximately 20% of the sample from each school year) and 1660 (49.6% female, 50.4% male) completed the survey a second time, approximately six months later. The academic attainment measure was based on Key Stage 3 and Key Stage 4 grades for Maths and English. RESULTS: In the cross-sectional analyses, logistic regressions showed that consumption of energy drinks was associated with a greater likelihood of being in the low academic achievement group. This was not found for other sources of caffeine. The effect of energy drinks was still significant when demographic, academic and health/lifestyle variables were covaried. However, inclusion of an unhealthy diet variable (junk food) removed the significant effect of energy drinks. Similar observations were made in the longitudinal study, with the poorer attainment of those who consumed energy drinks reflecting breakfast omission and depression. DISCUSSION: The present findings indicate that consumption of energy drinks is associated with an increased likelihood of poor academic attainment that reflects energy drink consumption being part of an unhealthy diet or being associated with skipping breakfast rather than a more specific effect, such as being a source of caffeine. Although the current study extends previous research by utilising a longitudinal design, intervention studies are now required to better answer questions relating to causality and direction of effect.
dc.description.sponsorshipThe author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: The current research was supported by a grant from The Waterloo Foundation (grant number: 503692), and by the School of Psychology, Cardiff University.
dc.format.mediumPrint-Electronic
dc.identifier.doi10.17863/CAM.31811
dc.identifier.eissn1461-7285
dc.identifier.issn0269-8811
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/284439
dc.languageeng
dc.language.isoeng
dc.publisherSAGE Publications
dc.publisher.urlhttp://dx.doi.org/10.1177/0269881118783314
dc.subjectEnergy drinks
dc.subjectacademic attainment
dc.subjectcaffeine
dc.subjectdepression
dc.subjectjunk food
dc.subjectAcademic Success
dc.subjectBreakfast
dc.subjectCaffeine
dc.subjectChild
dc.subjectCross-Sectional Studies
dc.subjectDepression
dc.subjectDepressive Disorder
dc.subjectDiet
dc.subjectEnergy Drinks
dc.subjectFemale
dc.subjectHumans
dc.subjectLongitudinal Studies
dc.subjectMale
dc.subjectSchools
dc.subjectStudents
dc.subjectSurveys and Questionnaires
dc.titleEnergy drinks, caffeine, junk food, breakfast, depression and academic attainment of secondary school students.
dc.typeArticle
dcterms.dateAccepted2018-05-23
prism.endingPage899
prism.issueIdentifier8
prism.publicationDate2018
prism.publicationNameJ Psychopharmacol
prism.startingPage893
prism.volume32
rioxxterms.licenseref.startdate2018-08
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.typeJournal Article/Review
rioxxterms.versionAM
rioxxterms.versionofrecord10.1177/0269881118783314

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