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The effect of caffeine consumption on attention performance in female students at the faculty of health sciences

Emre Batuhan Kenger (Department of Nutrition and Dietetics, Faculty of Health Science, Bahcesehir University, Istanbul, Turkey)
Tugce Ozlu (Department of Nutrition and Dietetics, Faculty of Health Science, Bahcesehir University, Istanbul, Turkey)
Ani Agopyan (Department of Coaching Education, Faculty of Sport Sciences, Marmara University, Istanbul, Turkey)
Can Ergun (Department of Nutrition and Dietetics, Faculty of Health Science, Bahcesehir University, Istanbul, Turkey)
Aysenur Uslu (Department of Nutrition and Dietetics, Faculty of Health Science, Bahcesehir University, Istanbul, Turkey)
Berfin Dinsel (Department of Nutrition and Dietetics, Faculty of Health Science, Bahcesehir University, Istanbul, Turkey)
Dilhan Disli (Department of Nutrition and Dietetics, Faculty of Health Science, Bahcesehir University, Istanbul, Turkey)
Nezihe Akdeniz (Department of Nutrition and Dietetics, Faculty of Health Science, Bahcesehir University, Istanbul, Turkey)

Nutrition & Food Science

ISSN: 0034-6659

Article publication date: 10 October 2022

Issue publication date: 5 July 2023

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Abstract

Purpose

There are limited studies on the effects of coffee consumption, which has become part of popular culture and is highly common among young people, on the attention levels of female university students. This paper aims to examine the effects of caffeine consumption given at different doses (0, 100 and 200 mg) to female university students (n = 100) studying at the faculty of health sciences on attention performance with the Stroop Color and Word Test (SCWT).

Design/methodology/approach

Participants' test completion time, number of errors and corrections were tested. In addition, the frequencies of weekly coffee consumption were also recorded.

Findings

It was found that consumption of coffee containing 200 mg of caffeine reduced the time to complete the sections of the SCWT test (p < 0.05), as well as the total test completion time (55.81 ± 8.67 s) compared to no coffee consumption (58.25 ± 9.46 s) and coffee consumption with 100-mg caffeine (57.56 ± 8.87 s) (p < 0.05; effect size: 0.268). The effect of caffeine on attention level was induced by 200-mg caffeine consumption, but was unapparent at 100-mg dose. In addition, SCWT completion times were reduced in the student group with more weekly coffee consumption (=3 cups/week) at 200-mg caffeine dose.

Originality/value

In this context, caffeine dose is a factor that should be taken into account in determining the performance of individuals in the SCWT test. It is thought that coffee consumption can increase the concentration of students and have positive effects on academic achievement.

Keywords

Acknowledgements

The authors thank all individuals who devoted their time to conduct this study.

Funding: The authors received no financial support for the research, authorship and/or publication of this article.

Conflict of Interest: The authors declare no potential conflicts of interest with respect to the research, authorship and/or publication of this article.

Author contribution: EBK: Conceptualization, Methodology, Investigation, Resources, Data Curation, Writing – Original Draft, Writing – Review and Editing, Visualization; TO: Methodology, Investigation; AA: Methodology, Review and Editing; CE: Resources, Methodology; AU: Data Curation, Methodology; BD: Data Curation, Methodology; DD: Data Curation, Methodology; NE: Data Curation, Methodology.

Citation

Kenger, E.B., Ozlu, T., Agopyan, A., Ergun, C., Uslu, A., Dinsel, B., Disli, D. and Akdeniz, N. (2023), "The effect of caffeine consumption on attention performance in female students at the faculty of health sciences", Nutrition & Food Science, Vol. 53 No. 5, pp. 837-848. https://doi.org/10.1108/NFS-08-2022-0268

Publisher

:

Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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