ArticleBritish journal of health psychology2022
Efficacy information influences intention to take COVID-19 vaccine.
Article in British journal of health psychology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
47 citing papers in PubMed, 90 citations in OpenAlex.
- Effectiveness of a video-based intervention for COVID-19 vaccine acceptance among individuals with mental disorders: a randomized online experiment.Frontiers in public health · 2026Trial
- Public misperceptions of COVID-19 vaccine effectiveness and waning: experimental evidence from Ireland.Public health · 2023Trial
- Can financial incentives and other nudges increase COVID-19 vaccinations among the vaccine hesitant? A randomized trial.Vaccine · 2022Trial
- Improving Vaccine Knowledge Among Adolescents: A Pre-Post School-Based Educational Intervention in Southern Italy.Vaccines · 2026Article
- A video-based educational intervention to improve vaccine acceptance for Schistosomiasis japonicum: A pre-post study using the 5C model in rural China.Human vaccines & immunotherapeutics · 2025Article
- A Quantitative Study on Determinants of COVID-19 Vaccine Uptake in a Mandatory Vaccination Workplace Setting in South Africa.International journal of environmental research and public health · 2025Article
- Article
- Integrating communication dimensions into health models: understanding COVID-19 vaccination through multigroup analysis.Frontiers in public health · 2025Article
- Factors influencing individual vaccine preferences for COVID-19 in the Sunyani Municipality, Ghana: An observational study using discrete choice experiment analysis.Health science reports · 2024Article
- I want to be safe: understanding the main drivers behind vaccination choice throughout the pandemic.BMC public health · 2024Article
- COVID-19 vaccination intention among internally displaced persons in complex humanitarian emergency context, Northeast Nigeria.PloS one · 2024Article
- Confidence in COVID-19 vaccine effectiveness and safety and its effect on vaccine uptake in Tanzania: A community-based cross-sectional study.Human vaccines & immunotherapeutics · 2023Article
- Expanding Protection Motivation Theory to explain vaccine uptake among United Kingdom and Taiwan populations.Human vaccines & immunotherapeutics · 2023Article
- Investigating the tendency to use COVID-19 vaccine booster dose in Iran.BMC health services research · 2023Article
- Factors Affecting COVID-19 Vaccine Acceptance among Pregnant Women: A Cross Sectional Study from Abha City, Saudi Arabia.Vaccines · 2023Article
- Fear of COVID-19 disease and vaccination as predictors of vaccination status.Scientific reports · 2023Article
- Perception and awareness towards malaria vaccine policy implementation in Nigeria by health policy actors.Malaria journal · 2023Article
- Impact of a Video-Based Educational Intervention on the Levels of Knowledge and Concerns about COVID-19 Vaccination.Vaccines · 2023Article
- Role of vaccine in fighting the variants of COVID-19.Chaos, solitons, and fractals · 2023Article
- Qualitative Insights into Vaccine Uptake of Nursing Staff in Long-Term Care Facilities in Finland.Vaccines · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesA successful response to the COVID-19 pandemic requires achieving high levels of vaccine uptake. We tested whether directly contrasting the high efficacy of COVID-19 vaccines with the lower efficacy of the annual flu vaccine would increase intentions to take a COVID-19 vaccine.
designA pre-registered online study of 481 participants compared four information conditions: (1) no information; (2) COVID-19 Vaccine Information Only; and COVID-19 Vaccine Information combined with flu vaccine information suggesting either (3) 60% efficacy or (4) 40% efficacy; we measured COVID-19 and flu vaccine intentions along with several other vaccine-related variables.
methodsThe Prolific platform was used to recruit 481 UK participants (64% female; aged between 18 and 85 years) who had been pre-screened to have intermediate levels of vaccine hesitancy. After reading a short text (~200 words) about COVID-19 vaccines, participants were asked about their vaccination intentions.
resultsProviding information about the safety and efficacy of the new COVID-19 vaccines resulted in vaccination intentions that were, on average, 0.39 standard deviations (SDs) higher than those in the no information condition; providing the same COVID vaccine efficacy information in the context of information about flu vaccine efficacy resulted in a further significant increase in vaccination intentions that were 0.68 SD higher than those in the no information condition. This positive contrast effect for the COVID-19 vaccine was not associated with reduced flu vaccine intentions.
conclusionsVaccination intentions can be strengthened through a simple messaging intervention that utilizes context effects to increase perceived response efficacy.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.