NCT05509270

Efficacy of Communication Modalities for Promoting Flu Shots

Assessing the Relative Efficacy of Communication Modalities for Messages Promoting Flu Shots

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 43,225 (actual)
• Sponsor: Geisinger Clinic · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

The purpose of this study is to test which modalities (mailed letter, short message service \[SMS\] text, or patient portal messages) are most effective for encouraging flu shots in high-risk patients.

Detailed description

The Centers for Disease Control (CDC) recommends a flu vaccination to everyone aged 6+ months, with rare exception; almost anyone can benefit from the vaccine, which can reduce illnesses, missed work, hospitalizations, and death. Flu shots are particularly important for patients at high risk of experiencing severe outcomes. During the 2020-21 and 2021-22 flu seasons, the study team sent messages to Geisinger patients in the top 10% of risk for flu and complications according to an artificial intelligence algorithm. Messages that told patients they were at high risk significantly increased their likelihood of getting vaccinated. The present study will extend previous work by testing which modality or modalities are most effective at boosting flu shot rates in patients at high risk. In previous campaigns, patients received messages via all communication modalities patients were eligible for (mailed letter, SMS text, and/or patient portal message). In this study, patients will be randomized to receive high-risk messages in one or more modalities.

Conditions

• Influenza Vaccination
• Health Promotion
• Health Behavior
• Risk Reduction

Interventions

Type	Name	Description
BEHAVIORAL	Letter	Mailed letter about flu vaccination
BEHAVIORAL	Patient portal	Patient portal message about flu vaccination
BEHAVIORAL	SMS	SMS about flu vaccination

Timeline

• Start date: 2022-09-06
• Primary completion: 2022-10-04
• Completion: 2022-10-04
• First posted: 2022-08-22
• Last updated: 2022-10-12

Locations

1 site across 1 country: United States