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. 2025 Apr 24:7:1555231.
doi: 10.3389/fdgth.2025.1555231. eCollection 2025.

Visual communication of public health data: a scoping review

Michael Arthur Ofori #  1 , Stella Lartey #  2 , Polina Durneva #  3 , Niharika Jha #  1 , Nidhi Mittal #  1 , Shongkour Roy #  1 , Zebunnesa Zeba #  1 , Stella Chirwa #  1 , Nichole Saulsberry-Scarboro #  1 , Michelle Taylor #  4 , Ashish Joshi #  1
Affiliations

Visual communication of public health data: a scoping review

Michael Arthur Ofori et al. Front Digit Health. .

Abstract

Introduction: Visual communications (VC) play a crucial role in effectively conveying public health data to diverse audiences, including policymakers, healthcare professionals, and the general public. Although the U.S. government invests heavily in health data and data accessibility, health data are not entirely accessible or easily understood. This can be attributed to data sharing and visualization challenges. VC challenges have created public health information gaps which are compounded in emergencies such as the COVID-19 pandemic, potentially impacting poor health outcomes and increasing health inequities.

Objective: To examine visualization tools and techniques effective for public health visual data communication.

Methods: A scoping review was conducted to summarize the available evidence related to visualization techniques and tools for public health visual data communication as well as related principles and best practices. Original peer-reviewed articles published in English that involve visualization, user-centered design of visual public health applications/interfaces, visual analytics, infographics, or dashboards from PubMed database from 2020 to 2024 were included. Also, review articles, commentaries, editorials, posters, systematic and scoping articles were excluded from this review. In all, twenty-eight (28) studies were included.

Results: There were 25 different visualization techniques identified which included charts and graphs (e.g., bar charts, line charts, pie charts, bubble charts, box plots, scatter plots), maps (e.g., choropleth maps, hotspot maps, and heatmaps), and specialized visualizations (e.g., sunburst diagrams, alluvial plots, upset plots, circos). These visuals were displayed employing different programming and statistical tools and libraries like R, Python, Power BI, Tableau, ArcGIS, and custom web-based applications. The visuals measured different types of data accessibility, pattern and trends identification, association and relationships of univariate and bivariate data, as well as exploring multidimensional forms of health data. The visualizations were applied in different public health domains, such as HIV prevention and care, public health communication, interventions, surveillance, policy measures and decision-making, and improving health education.

Conclusion: Dashboards and web-based tools combined with static visualizations like charts, maps, or specialized plots can help with data exploration, pattern recognition, and dissemination of health information. Effective communication of public health data promotes informed decision-making, creates awareness, and leads to improved and better health outcomes.

Keywords: data visualization; health communication; health data; interactive dashboards; visual communication.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
PRISMA diagram showing the flow of the study selection and search approach.
Figure 2
Figure 2
Types and nature of visualization.
Figure 3
Figure 3
Various measures of data visualization techniques.
See this image and copyright information in PMC

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