What is it about?

Poor dietary habits are considered to be the second-leading risk factors for mortality and disability-adjusted life-years (DALYs) in the world. Dietary patterns are different based on cultural, environmental, technological, and economic factors. Nutritional deficiencies of energy, protein, and specific micronutrients have been shown to contribute to depressed immune function and increased susceptibility to infections. We aimed to explore the relation of dietary factors with global infection and mortality rates of COVID-19 in this study.

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Why is it important?

The effect of different dietary factors on infection and mortality rates were examined in this study.


The median crude infection and mortality rates by COVID-19 were 87.78 (IQR: 468.03) and 0.0015 (IQR: 0.0059), respectively. The two highest percentage of the crude infection rate were between 0 and 500 (75.9%) and 500–1000 (8.9%) per one million persons. The regression analysis showed that the crude infection rate has been increased by raising consuming fruits (Beta: 0.237; P=0.006) and calcium (Beta: 0.286; P=0.007) and was decreased with rising consuming beans and legumes (Beta: −0.145; P=0.038). The analysis showed that the crude mortality rate was increased by raising consuming sugar-sweetened beverages (Beta: 0.340; P<0.001). Whereas, the crude mortality rate by COVID-19 has been decreased by increasing fruits consuming (Beta: −0.226; P=0.047) and beans and legumes (Beta: −0.176; P=0.046).

Mr. Deldar Morad Abdulah
University of Duhok

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This page is a summary of: Relation of Dietary Factors with Infection and Mortality Rates of COVID-19 Across the World, The journal of nutrition health & aging, July 2020, Springer Science + Business Media, DOI: 10.1007/s12603-020-1434-0.
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