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Brief report
Association between vitamin intake and respiratory complaints in adults from the UK National Diet and Nutrition Survey years 1–8
  1. Suzana Almoosawi1,2 and
  2. Luigi Palla2,3,4
  1. 1 School of Public Health, Imperial College London, London, UK
  2. 2 NNEdPro Global Centre for Nutrition and Health, Cambridge, United Kingdom
  3. 3 Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, UK
  4. 4 Department of Global Health, School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
  1. Correspondence to Dr Suzana Almoosawi, Imperial College London, London W6 8RP, UK; s.almoosawi{at}imperial.ac.uk

Abstract

Objective To examine the cross-sectional association between vitamins A, E, C and D from diet and supplements and the prevalence of respiratory complaints in a nationally representative sample of UK adults.

Methods Data from adult participants of the National Diet and Nutrition Survey Rolling Programme years 2008–2016 were used for the analysis. Logistic regression adapted for complex survey design was used to investigate the relationship between each vitamin intake in turn (exposure) and self-reported respiratory complaints (outcome), adjusting for relevant confounders.

Results Overall, respiratory complaints were found in 33 of the 6115 adult patients aged 19 years and above. After adjustment for potential confounders, a negative association was observed between the intake of vitamin A and E intake from diet and supplements and respiratory complaints. For vitamin D, intake from supplements, but not diet, was inversely significantly associated with respiratory complaints. No association between vitamin C and respiratory complaints was observed.

Conclusion In conclusion, intake of vitamin A and E from diet and supplements, and vitamin D from supplements, show strong evidence of association with lower self-reported prevalence of respiratory complaints in a nationally representative sample of UK adults.

  • infectious disease
  • malnutrition
  • nutrient deficiencies
http://creativecommons.org/licenses/by-nc/4.0/

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

https://doi.org/10.1136/bmjnph-2020-000150

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    Footnotes

    • Contributors SA conceptualised the study, conducted analysis and drafted the manuscript. LP reviewed the analysis, contributed to the writing and critical review of the manuscript.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests SA and LP are members of the NNEdPro Global centre for Nutrition and Health.

    • Patient consent for publication Not required.

    • Provenance and peer review Not commissioned; externally peer reviewed.