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

NCT05096026 | Completed

• 1 other identifier: RDO KPNC 21-044
• Study Type: interventional
• Target: 8,287
• Locations: 1 country
• Sites: 1

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.

Conditions

Vaccination

Outcome Measures

Primary Outcomes (1)

• Days to COVID-19 vaccination

  Days to COVID-19 vaccination

  During the 8 weeks after Study Outreach 1 was sent

Study Arms (3)

Standard PCP Outreach

EXPERIMENTAL

These patients were sent standard outreach messages to promote COVID-19 vaccination.

Behavioral: Standard PCP Outreach

Culturally Tailored PCP Outreach

EXPERIMENTAL

These patients were sent messages similar to those in the Standard PCP Outreach Group, but with additional culturally tailored content.

Behavioral: Culturally Tailored PCP Outreach

Usual Care

NO INTERVENTION

These patients were not sent the above study outreach messages, but may have received other messages from their local medical centers or counties.

Interventions

Standard PCP Outreach BEHAVIORAL

These patients were sent two study outreach messages. Study Outreach 1 was an electronic secure message sent on behalf of the PCP, encouraging COVID-19 vaccination and designed based on behavioral science principles. Letters were sent to patients who had not signed up for the electronic health record portal. Study Outreach 2 was a postcard sent to all patients who had not been vaccinated or made an appointment by four weeks after Study Outreach 1.

Standard PCP Outreach

Culturally Tailored PCP Outreach BEHAVIORAL

These patients were sent messages similar to those in Standard PCP Outreach, but with additional culturally tailored content and photos.

Culturally Tailored PCP Outreach

Eligibility Criteria

• Age: 65 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Older Adult (65+)

You may not qualify if:

• Received COVID-19 vaccine prior to Study Outreach 1.

Sponsors & Collaborators

• Kaiser Permanente: lead

Study Sites (1)

Kaiser Permanente Northern California

Oakland, California, 94612, United States

Location

Related Publications (1)

• Lieu TA, Elkin EP, Escobar PR, Finn L, Klein NP, Durojaiye C, Prausnitz S, Quesenberry CP, Sawyer D, Teran S, Goler N, Parodi SM, Chen YI. Effect of Electronic and Mail Outreach From Primary Care Physicians for COVID-19 Vaccination of Black and Latino Older Adults: A Randomized Clinical Trial. JAMA Netw Open. 2022 Jun 1;5(6):e2217004. doi: 10.1001/jamanetworkopen.2022.17004.

  PMID: 35713906 DERIVED

Study Officials

• Tracy Lieu, MD

  The Permanente Medical Group

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Masking Details: Telephone interviewers were blind to study group assignment.
• Purpose: PREVENTION
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: October 25, 2021
• First Posted: October 27, 2021
• Study Start: March 29, 2021
• Primary Completion: May 20, 2021
• Study Completion: August 31, 2021
• Last Updated: October 27, 2021

Record last verified: 2021-10

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL
• Time Frame: December 1, 2022 through December 1, 2024
• Access Criteria: Deidentified data will be shared on submission of a protocol approved by the Kaiser Permanente Northern California Institutional Review Board or Research Determination Official, and contingent on appropriate data sharing agreement being completed.

Locations

US (1)