Effect of Electronic and Mail Outreach From Primary Care Physicians for COVID-19 Vaccination Among Elderly Patients

Not Applicable

Completed

• Conditions: Vaccination
• Interventions: Behavioral: Culturally Tailored PCP Outreach; Behavioral: Standard PCP Outreach

• Registration Number: NCT05096026
• Lead Sponsor: Kaiser Permanente

Brief Summary

This randomized controlled trial tested the effect of culturally tailored and standard electronic secure messages and mailings from patients' primary care physicians to encourage COVID-19 vaccination among adults aged 65 and older.

Detailed Description

This randomized controlled trial tested the effect of culturally tailored and standard electronic secure messages and mailings from patients' primary care physicians to encourage COVID-19 vaccination among adults aged 65 and older. Patients who had not received a COVID-19 vaccination or appointment after previous outreach attempts were randomized to receive (a) an electronic secure message and/or mail outreach from their PCP, (b) similar outreach with additional culturally tailored content, or (c) usual care. The primary outcome was receipt of COVID-19 vaccination during the 8 weeks after the initial study outreach date.

Study Timeline

• Study Start: 2021-03-29
• Primary Completion: 2021-05-20
• Study Completion: 2021-08-31
• Status Verified: 2021-10
• Study First Submitted: 2021-10-25
• Study First Submitted QC: 2021-10-26
• Last Update Submitted: 2021-10-26
• Study First Posted: 2021-10-27
• Last Update Posted: 2021-10-27

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 8287

Inclusion Criteria

Exclusion Criteria

Received COVID-19 vaccine prior to Study Outreach 1.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Culturally Tailored PCP Outreach	Culturally Tailored PCP Outreach	These patients were sent messages similar to those in the Standard PCP Outreach Group, but with additional culturally tailored content.
Standard PCP Outreach	Standard PCP Outreach	These patients were sent standard outreach messages to promote COVID-19 vaccination.

Primary Outcome Measures

Name	Time	Method
Days to COVID-19 vaccination	During the 8 weeks after Study Outreach 1 was sent	Days to COVID-19 vaccination

Trial Locations

Locations (1)

Kaiser Permanente Northern California; 🇺🇸 Oakland, California, United States