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Sports Medicine

, Volume 49, Issue 11, pp 1769–1786 | Cite as

Effectiveness of Education Interventions Designed to Improve Nutrition Knowledge in Athletes: A Systematic Review

  • Ryan TamEmail author
  • Kathryn L. Beck
  • Melinda M. Manore
  • Janelle Gifford
  • Victoria M. Flood
  • Helen O’Connor
Systematic Review

Abstract

Background

A range of nutrition education strategies are used to assist athletes to improve nutrition knowledge. Evaluation of nutrition education interventions guides the delivery of efficacious nutrition education for athletes.

Aim

Our aim was to systematically review sport/general nutrition education interventions delivered to athletes, and to evaluate their effectiveness.

Methods

A search was conducted using terms related to nutrition knowledge, athletes, education, and intervention. Included studies had to be conducted in athletes (all calibres), use a scored nutrition knowledge assessment tool, and measure knowledge before and after a nutrition education intervention. Peer-reviewed and unpublished theses were included.

Results

Thirty-two manuscripts (randomised controlled trial, n = 13; single-arm pre/post design, n = 19) met the inclusion criteria. Participants (n = 2180; mean age 17.4 ± 1.7 years) were mostly female (66.1%), university-level (56.3%) athletes based in the US (75%). Comparison of different education methods was limited since the majority of interventions (n = 28/36, 77.8%) used face-to-face education. Most intervention conditions (n = 19) had a total contact time of < 300 min (5 h). The majority of interventions (n = 30, 85.7%) reported significant knowledge improvement, with a mean increase of 16.1 ± 0.7% (mean effect size 1.72; range 0.4–17.1). Only 15.6% of studies used well-validated knowledge assessment tools (more than three types of validity or reliability testing).

Conclusions

Most interventions reported a significant improvement in nutrition knowledge. Unfortunately, the wide range of knowledge assessment tools with limited validation, and the predominant use of face-to-face interventions, prohibits identification of the most effective modality and dose for nutrition education in athletes.

Notes

Acknowledgements

The authors would like to acknowledge the technical expertise of Ms. Kanchana Ekanayake who assisted with the search of relevant databases and retrieval of articles from The University of Sydney Health Sciences library.

Compliance with Ethical Standards

Funding

No sources of funding were used to assist in the preparation of this article.

Conflict of interest

Ryan Tam, Kathryn Beck, Melinda Manore, Janelle Gifford, Victoria Flood and Helen O’Connor declare that they have no conflicts of interest relevant to the content of this review.

Supplementary material

40279_2019_1157_MOESM1_ESM.pdf (332 kb)
Supplementary material 1 (PDF 331 kb)

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.The University of Sydney, Faculty of Health SciencesLidcombeAustralia
  2. 2.The University of Sydney, Charles Perkins CentreCamperdownAustralia
  3. 3.School of Sport Exercise and NutritionMassey UniversityAucklandNew Zealand
  4. 4.School of Biological and Population SciencesOregon State UniversityCorvallisUSA
  5. 5.Western Sydney Local Health District, Westmead HospitalWestmeadAustralia

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