An Open-Access Data Platform: Global Nutrition And Health Atlas ...

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Abstract

The rapid development of nutrition science is embracing digital transformation to generate large amounts of data. Precision nutrition and "Big Data" place increasing demand for data repositories and visualization, which enhances the digital transformation. We defined the need for an integrated nutrition data platform as a web-based platform that can collect, store, track, analyze, monitor, and visually display key metrics in nutrition and health while allowing users to interact with visuals and download data provided in the platform. Interactive dashboards create new opportunities for scholars and practitioners to generate and test hypotheses. We present the development and implementation of the Global Nutrition and Health Atlas (GNHA; https://sites.tufts.edu/gnha/), an open-access online platform covering nutrition and health data with 26 themes and 500+ indicators from 190+ countries up to 30 y. We view GNHA as an interactive tool aiming to share information and perspectives and foster collaborations and innovations.

Keywords: dashboard; data repository; food system; nutrition; visualization.

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Figures

FIGURE 1

FIGURE 1

Examples of Tableau dashboard screenshots:…

FIGURE 1

Examples of Tableau dashboard screenshots: (A) Global Overview as tab 1 and (B)…

FIGURE 1 Examples of Tableau dashboard screenshots: (A) Global Overview as tab 1 and (B) Country Profile as tab 2. The Global Overview tab displays information of 1 indicator at a time from a specific dimension. In this example, any indicator within the “Dietary Intake” dimension can be selected from the dropdown menu “Choose an indicator.” This tab uses a uniform template for all dimensions with several plots to show data from different perspectives. This dashboard contains the following: 1) a choropleth map at global scale on the top left showing the geographical distribution of this indicator; 2) a histogram on the top right showing countries’ overall distributions with the color scheme representing the quartiles aligned with the color scheme in the world map; 3) a bar graph below the histogram showing the rankings and specific values of all countries for this indicator; 4) a line chart under the world map showing the available time points and the temporal trend of the chosen indicator; and 5) a boxplot at the bottom showing the countries’ distribution by year sharing the same time axis with the line chart. This organization with interconnected plots forms a cohesive and comprehensive data representation. The country-specific view provides a country profile with representative indicators for each dimension. Compared with Global Overview, which presents 1 indicator at a time, the Country Profile includes several key indicators within a selected dimension. In this example, we chose to show data from various sources on food supply, food security indicators, along with daily food consumption in the United States. Note that this dashboard allows to depict information that is limited or not available. GDD, Global Dietary Database.
FIGURE 2

FIGURE 2

An example of the Tableau…

FIGURE 2

An example of the Tableau comparison dashboard—Global Comparison. The scatter plot is the…

FIGURE 2 An example of the Tableau comparison dashboard—Global Comparison. The scatter plot is the central part of this dashboard screenshot. Users can choose indicators for the horizontal and vertical axes from any dimension. In this example, we chose to show the relation between total processed meats and disability-adjusted life-years lost due to cancers in 2018. We also provide the data completeness metric for each indicator by estimating the number of countries which have data available in a given year. Once indicators on 2 axes are chosen, users can also click the Year “Play” button on the right side to create an animation that shows a dynamic relation between variables over time. Points on the scatter plot can be colored by country's income level or world region at the users’ choice. GDD, Global Dietary Database.
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  • R25 GM066567/GM/NIGMS NIH HHS/United States

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