Association between diet quality and cardiorespiratory fitness in korean adults: The 2014–2015 national fitness award project

Mingyeong Seong, Youjin Kim, Saejong Park, Hyesook Kim, Oran Kwon

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Cardiorespiratory fitness (CRF) is a strong and meaningful indicator for predicting mortality, including cardiovascular disease, as well as simple physical capacity. Healthy eating is thought to be one of the crucial factors associated with an individual’s CRF status, although little research has been done on the relationship between healthy eating and CRF. This study aimed to investigate the association between overall diet quality and CRF among Korean adults. The study involved 937 adults (380 men and 557 women) aged 19–64 years who participated in the 2014–2015 Korea Institute of Sports Science Fitness Standards project. Diet quality was assessed by the recommended food score (RFS), and CRF was determined by maximal oxygen uptake (VO2max) during a treadmill exercise test. Multiple regression model analyses were stratified by age (19–34, 35–49, and 50–64 years) and sex, because both factors greatly influence CRF. After multivariate adjustment, only the 19–34 age group in both sexes showed a positive association between RFS and VO2max. Additionally, when physical activity was adjusted, it was still significant in men but only marginally related in women. Our results suggest that better overall diet quality may be associated with a better CRF among young adults aged 19-34 years in Korea.

Original languageEnglish
Article number3226
Pages (from-to)1-10
Number of pages10
JournalNutrients
Volume12
Issue number11
DOIs
StatePublished - Nov 2020

Bibliographical note

Publisher Copyright:
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • Cardiorespiratory fitness
  • Diet
  • Maximal oxygen uptake
  • Recommended food score

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