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Randomised controlled trial of a theory-based intervention to prompt front-line staff to take up the seasonal influenza vaccine
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Schmidtke, Kelly, Nightingale, Peter G., Reeves, Katharine, Gallier, Suzy, Vlaev, Ivo, Watson, Samuel I. and Lilford, Richard (2020) Randomised controlled trial of a theory-based intervention to prompt front-line staff to take up the seasonal influenza vaccine. BMJ Quality & Safety, 29 (3). bmjqs. doi:10.1136/bmjqs-2019-009775
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WRAP-randomised-controlled-trial-theory-based-intervention-prompt-front-line-staff-Lilford-2019.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (1281Kb) | Preview |
Official URL: http://dx.doi.org/10.1136/bmjqs-2019-009775
Abstract
Objective: To evaluate the effectiveness of reminder letters informed by social normative theory (a type of ‘nudge theory’) on uptake of seasonal influenza vaccination by front-line hospital staff.
Design: Individually randomised controlled trial.
Setting: A large acute care hospital in England.
Participants: Front-line staff employed by the hospital (n=7540) were randomly allocated to one of four reminder types in a factorial design.
Interventions: The standard letter included only general information directing the staff to take up the vaccine. A second letter highlighted a type of social norm based on peer comparisons. A third letter highlighted a type of social norm based on an appeal to authority. A fourth letter included a combination of the social norms.
Main outcome measure: The proportion of hospital staff vaccinated on-site.
Results: Vaccine coverage was 43% (812/1885) in the standard letter group, 43% (818/1885) in the descriptive norms group, 43% (814/1885) in the injunctive norms group and 43% (812/1885) in the combination group. There were no statistically significant effects of either norm or the interaction. The OR for the descriptive norms factor is 1.01 (0.89–1.15) in the absence of the injunctive norms factor and 1.00 (0.88–1.13) in its presence. The OR for the injunctive norms factor is 1.00 (0.88–1.14) in the absence of the descriptive norms factor and 0.99 (0.87–1.12) in its presence.
Conclusions: We find no evidence that the uptake of the seasonal influenza vaccination is affected by reminders using social norms to motivate uptake.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QR Microbiology > QR180 Immunology | |||||||||
| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School > Health Sciences > Population, Evidence & Technologies (PET) Faculty of Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Influenza vaccines, Vaccination -- Great Britain, Health promotion -- Great Britain | |||||||||
| Journal or Publication Title: | BMJ Quality & Safety | |||||||||
| Publisher: | BMJ Publishing Group Ltd. | |||||||||
| ISSN: | 2044-5415 | |||||||||
| Official Date: | 25 February 2020 | |||||||||
| Dates: |
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| Volume: | 29 | |||||||||
| Number: | 3 | |||||||||
| Article Number: | bmjqs | |||||||||
| DOI: | 10.1136/bmjqs-2019-009775 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access | |||||||||
| RIOXX Funder/Project Grant: |
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