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

Kaiser Permanente

Status: Completed

Conditions: Vaccination

Treatments: Behavioral: Standard PCP Outreach; Behavioral: Culturally Tailored PCP Outreach

Study type: Interventional

Funder types: Other

Identifiers

NCT05096026

RDO KPNC 21-044

Details and patient eligibility

About

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.

Full 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.

Enrollment: 8,287 patients

Sex: All

Ages: 65+ years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

Exclusion criteria

Received COVID-19 vaccine prior to Study Outreach 1.

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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8,287 participants in 3 patient groups

Standard PCP Outreach

Experimental group

Description:

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

Treatment:

Behavioral: Standard PCP Outreach

Culturally Tailored PCP Outreach

Experimental group

Description:

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

Treatment:

Behavioral: Culturally Tailored PCP Outreach

Usual Care

No Intervention group

Description:

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