COVID-19, Vaccination Hesitancy
Conditions
Brief summary
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.
Interventions
BEHAVIORALBehavioural science-informed text messages
Behaviourally-informed content in vaccination eligibility reminder text messages
BEHAVIORALControl
Control vaccination eligibility reminder text message
Sponsors
Public Health England
Department of Health and Social Care
NHS England
The Behavioural Insights Team
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
DOUBLE (Subject, Caregiver)
Eligibility
Sex/Gender
ALL
Age
40 Years to 44 Years
Healthy volunteers
Yes
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
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Booking rate within 72 hours | 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
| Measure | Time frame | Description |
|---|---|---|
| Vaccination rate within 14 days | 14 days | The proportion of first dose vaccinations received within 14 days (inclusive) of the text message being sent |
Countries
United Kingdom
Outcome results
None listed