Randomised controlled trial of a theory-based intervention to prompt front-line staff to take up the seasonal influenza vaccine.

Schmidtke, Kelly Ann, Nightingale, Peter, Reeves, Katharine, Gallier, Suzy, Vlaev, Ivo, Watson, Samuel I and Lilford, Richard J (2019) Randomised controlled trial of a theory-based intervention to prompt front-line staff to take up the seasonal influenza vaccine. BMJ quality & safety. ISSN 2044-5423. This article is available to all UHB staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their UHB Athens login IDs

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Official URL: https://qualitysafety.bmj.com/content/early/2019/0...

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: Article
Additional Information: This article is available to all UHB staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their UHB Athens login IDs
Subjects: W Public health. Health statistics. Occupational health. Health education
Divisions: Clinical Support > Infectious Diseases
Related URLs:
Depositing User: Mr Philip O'Reilly
Date Deposited: 09 Aug 2019 13:14
Last Modified: 18 Feb 2021 12:35
URI: http://www.repository.uhblibrary.co.uk/id/eprint/2294

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