- A timeline shows the daily number of responses. The first thigh point in the initial screening tool corresponds to the date the link was included in the university learning management system. 
  - Spikes in the initial screening tool can be attributed to colleges sending out emails to their students with the link.
- The daily symptom journal had a constant number of people filling it out. The spike in August 2020 correlates with universities starting the fall term. 
- The Health✓™ tool has high number of responses, with clear weekly cycle. The high response rate is due to the fact that it was required.

Symptom Data Collection Timeline for COVID-19 Symptom Monitoring and Social Distancing in a University Population

The table shows the total responses and the total number of people reporting the type of symptoms. The top of the table also indicates what version of the monitoring tool is being used. 

University of Pittsburgh

The study designed and used a screening tool and daily symptom journal based on the US Center of Disease Control and Prevention (CDC) symptom monitoring guidelines. Changes made by the CDC were also made on the tool.

Symptom Monitoring for COVID-19 Symptom Monitoring and Social Distancing in a University Population

Wojtusiak, J., Bagchi, P., Naren, S. S. K. R. T., Mobahi, H., Nia, R. M., & Roess, A. (2021). COVID-19 Symptom Monitoring and Social Distancing in a University Population. Journal of Healthcare Informatics Research, 5(1), 114-131. https://doi.org/10.1007/s41666-020-00089-x

COVID-19 Symptom Monitoring and Social Distancing in a University Population Reference

Summary of Symptom Data Collected by Three Survey Instruments Used Since March 2020

Initially, Qualtrics was used to develop a daily symptom journal between March 22, 2020, and August 17, 2020. From August 18, 2020, a new Health✓™ tool was implemented in .NET framework for the university population (https://healthcheck.gmu.edu).

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