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Completed

NCT Number: NCT05993260

Using Text Messages to Boost COVID-19 Vaccine Booking Rate

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.

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Key information

Conditions

Vaccination Hesitancy Behavior COVID-19 Coronaviridae Infections Coronavirus Infections Health Behavior Infections Lung Diseases Nidovirales Infections Pneumonia Pneumonia, Viral RNA Virus Infections Respiratory Tract Diseases Respiratory Tract Infections Treatment Adherence and Compliance Treatment Refusal Vaccination Refusal Virus Diseases

Age range

40 year–44 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

NHS England

London, SE1 8UG, United Kingdom

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

Behavioural science-informed text messages

Behavioral

Behaviourally-informed content in vaccination eligibility reminder text messages

Control

Behavioral

Control vaccination eligibility reminder text message

Primary outcomes

  1. Booking rate within 72 hours

    Time frame: 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

Secondary outcomes

  1. Vaccination rate within 14 days

    Time frame: 14 days

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

Sponsors and collaborators

Lead sponsor

The Behavioural Insights Team

Other

Collaborators

  • Department of Health and Social Care, UK
  • NHS England
  • Public Health England

Registry information

Official study title

Using Text Messages to Boost COVID-19 Vaccination Appointment Booking and Vaccination Rates: A Randomised Controlled Field Trial.

Important dates

Study start
2021
Primary completion
2021
Study completion
2021
First posted
Aug 15, 2023
Registry last updated
Aug 15, 2023

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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