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Nutrire : revista de Sociedade Brasileira de Alimentação e Nutrição = journal of the Brazilian Society of Food and Nutrition, 2023-07, Vol.48 (2), p.34, Article 34
Investigating the association between dietary nutrient intake and vitamin D serum levels
Ist Teil von
Nutrire : revista de Sociedade Brasileira de Alimentação e Nutrição = journal of the Brazilian Society of Food and Nutrition, 2023-07, Vol.48 (2), p.34, Article 34
Ort / Verlag
Cham: Springer International Publishing
Erscheinungsjahr
2023
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Purpose
Concerning the effect of vitamin D on many organs and the increasing global prevalence of vitamin D deficiency, it is of paramount importance to determine the contributing factors affecting its serum level. By using the data mining approach, we aimed to investigate the association between serum vitamin D levels and dietary intake of micro- and macronutrients.
Methods
This cross-sectional study is a part of the survey of ultraviolet intake by a nutritional approach (SUVINA) study and was conducted on 289 healthy individuals aged 30 to 50 years old in Mashhad, Iran. The dietary intake of different micro- and macronutrients was derived from a validated 65-item food frequency questionnaire. XGBoost modeler software was used to define the features with the highest impact on vitamin D levels.
Results
Based on the XGBoost model results, dietary carbohydrates (21.54%), total dietary protein (16.60%), poly-saturated fat (16.60%), lactose (15.61%), total daily nitrogen (15.01%), and total sugar (14.62%) were identified as the six most important factors affecting serum vitamin D levels. The prediction accuracy for vitamin D levels was 89%.
Conclusions
Dietary carbohydrates are the first and most important dietary component in the prediction of vitamin D levels, and other factors, including total dietary protein, poly-saturated fat, lactose, total nitrogen, and total sugar, are ranked as the important features thereafter.