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Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

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Development and Usability Testing of a Web-based COVID-19 Self-triage Platform.

Justin D Schrager¹, Keke Schuler², Alexander P Isakov¹

¹Emory University School of Medicine, Department of Emergency Medicine, Atlanta, Georgia.

The Western Journal of Emergency Medicine

|September 24, 2020

Summary

A COVID-19 self-triage website effectively guided users, with most recalling recommendations and finding it easy to use. This tool can reduce unnecessary emergency department visits during pandemics.

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Area of Science:

Digital Health
Public Health
Epidemiology

Background:

Development of a web-based self-triage tool for COVID-19 aimed to mitigate unnecessary healthcare visits.
The tool was designed to provide clear health guidance during the pandemic.
Hypothesis: Adult users can understand and recall information from the COVID-19 self-triage tool.

Purpose of the Study:

Iterative development and usability testing of a COVID-19 self-triage web tool.
Evaluate user comprehension and recall of health recommendations.
Assess the tool's feasibility for providing evidence-based guidance and reducing healthcare utilization.

Main Methods:

Multidisciplinary expert panel for iterative redesign of a validated screening tool.
Cross-sectional usability study involving 877 participants from two universities.
Assessed immediate recall of website recommendations and usability measures, stratified by demographics.

Main Results:

79.4% of participants accurately recalled website recommendations.
96.9% of participants found the website easy to use and navigate.
High usability and recall rates observed across a diverse adult user group.

Conclusions:

Adult users successfully recalled self-care instructions and found the COVID-19 self-triage website user-friendly.
The website is a feasible method for delivering evidence-based health guidance to adults during a pandemic.
This tool has the potential to decrease unnecessary emergency department and healthcare visits.