Planning and process evaluation of a multi-faceted influenza vaccination implementation strategy for health care workers in acute health care settings

Josien Riphagen-Dalhuisen*, Gerard Frijstein, Nannet van der Geest-Blankert, Marita Danhof-Pont, Herbert de Jager, Nita Bos, Ed Smeets, Marianne de Vries, Pieter Gallee, Eelko Hak

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)
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Abstract

Background: Influenza transmitted by health care workers (HCWs) is a potential threat to frail patients in acute health care settings. Therefore, immunizing HCWs against influenza should receive high priority. Despite recommendations of the World Health Organization, vaccine coverage of HCWs remains low in all European countries. This study explores the use of intervention strategies and methods to improve influenza vaccination rates among HCWs in an acute care setting.

Methods: The Intervention Mapping (IM) method was used to systematically develop and implement an intervention strategy aimed at changing influenza vaccination behaviour among HCWs in Dutch University Medical Centres (UMCs). Carried out during the influenza seasons 2009/2010 and 2010/2011, the interventions were then qualitatively and quantitatively evaluated by way of feedback from participating UMCs and the completion of a web-based staff questionnaire in the following spring of each season.

Results: The IM method resulted in the development of a transparent influenza vaccination intervention implementation strategy. The intervention strategy was offered to six Dutch UMCs in a randomized in a clustered Randomized Controlled Trial (RCT), where three UMCs were chosen for intervention, and three UMCs acted as controls. A further two UMCs elected to have the intervention. The qualitative process evaluation showed that HCWs at four of the five intervention UMCs were responsive to the majority of the 11 relevant behavioural determinants resulting from the needs assessment in their intervention strategy compared with only one of three control UMCs. The quantitative evaluation among a sample of HCWs revealed that of all the developed communication materials, HCWs reported the posters as the most noticeable.

Conclusions: Our study demonstrates that it is possible to develop a structured implementation strategy for increasing the rate of influenza vaccination by HCWs in acute health care settings. The evaluation also showed that it is impossible to expose all HCWs to all intervention methods (which would have been the best case scenario). Further study is needed to (1) improve HCW exposure to intervention methods; (2) determine the effect of such interventions on vaccine uptake among HCWs; and (3) assess the impact on clinical outcomes among patients when such interventions are enacted.

Original languageEnglish
Article number235
Number of pages10
JournalBMC Infectious Diseases
Volume13
DOIs
Publication statusPublished - 23-May-2013

Keywords

  • Influenza vaccination
  • Health care workers
  • Intervention mapping
  • Intervention implementation
  • Acute health care
  • RANDOMIZED CONTROLLED-TRIAL
  • LONG-TERM-CARE
  • NURSING-HOMES
  • ACCEPTANCE
  • MORTALITY
  • EFFICACY
  • BELIEFS

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