In the general population, do specific forms of COVID-19 vaccine information, above simple information that they are safe and effective, increase willingness to be vaccinated?

COVID-19 vaccination views: Oxford Coronavirus Explanations, Attitudes, and Narratives Survey (OCEANS III)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN37254291

Enrollment

18500

Registered

2021-01-13

Start date

2021-01-18

Completion date

Unknown

Last updated

2021-06-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19 (SARS-CoV-2 infection) vaccine hesitancy Infections and Infestations

Interventions

Randomisation Participants will be randomised equally across conditions stratified by three levels of vaccine hesitancy (positive, very doubtful, strongly hesitant). I

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. UK adults (age 18 or above), quota sampled to be representative for age, gender, region, education level, and ethnicity

Exclusion criteria

Exclusion criteria: 1. Under 18 years of age 2. Do not give informed consent

Design outcomes

Primary

Measure	Time frame
COVID-19 vaccine hesitancy is measured using the Oxford Covid-19 Vaccine Hesitancy Measure at post-randomisation	—

Secondary

Measure	Time frame
Beliefs about COVID-19 and vaccination are measured using the Oxford Vaccine Confidence and Complacency Scale at post-randomisation	—

Countries

United Kingdom

Contacts

Public ContactDaniel Freeman

daniel.freeman@psych.ox.ac.uk+44 (0)1865 613109

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 22, 2026