Using Text Messages to Boost COVID-19 Vaccine Booking Rate

The Behavioural Insights Team1,825,937 enrolled

Overview

This study is a nationwide randomised controlled trial (RCT) to test the impact of behavioural science-informed text messages notifying patients of their eligibility for the COVID-19 vaccine on vaccination rates.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

PREVENTION

Masking

DOUBLE

Enrollment

1,825,937

Conditions

Vaccination Hesitancy COVID-19

Interventions

Behavioural science-informed text messagesBEHAVIORAL

Behaviourally-informed content in vaccination eligibility reminder text messages

ControlBEHAVIORAL

Control vaccination eligibility reminder text message

Eligibility

Sex: ALLMin age: 40 YearsMax age: 44 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * (i) satisfying the age criteria as defined above; * (ii) recorded in the National Immunisation Management System (NIMS); * (iii) with a valid mobile phone number; * (iv) who had not already received or been invited for the COVID-19 vaccine via NIMS at the time of the study. Exclusion Criteria: * Participants with invalid phone numbers

Locations (1)

NHS England

London, United Kingdom

Outcomes

Primary Outcomes

Booking rate within 72 hours

The proportion of first dose vaccination appointments booked through the NHS National Booking System within 72 hours (inclusive) of the text message being sent

Time frame: 72 hours

Secondary Outcomes

Vaccination rate within 14 days

The proportion of first dose vaccinations received within 14 days (inclusive) of the text message being sent

Time frame: 14 days

Data from ClinicalTrials.gov

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