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Process Evaluation of an Acute-Care Nurse-Centred Hand Hygiene Intervention in US Hospitals

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  • Madeline Sands
  • Robert Aunger

Abstract

This paper describes a process evaluation of a ‘wise’ intervention that took place in six acute care units in two medical-surgical teaching hospitals in the United States during 2016–2017. ‘Wise’ interventions are short, inexpensive interventions that depend on triggering specific psychological mechanisms to achieve behaviour change. This study sought to increase the hand hygiene compliance (HHC) rates before entering a patient’s room among nurses. The intervention centred on the use of threat to professional identity to prompt improved HHC. Through questionnaires administered to intervention participants and the implementation facilitator, together with independent observation of intervention delivery, we examined whether the steps in the Theory of Change occurred as expected. We found that aspects of the implementation—including mode of delivery, use of incentives, and how nurses were recruited and complied with the intervention—affected reach and likely effectiveness. While components of the intervention’s mechanisms of impact—such as the element of surprise—were successful, they ultimately did not translate into performance of the target behaviour. Performance was also not affected by use of an implementation intention as repeated performance of HHC over years of being a nurse has likely already established well-ingrained practices. Context did have an effect; the safety culture of the units, the involvement of the Nurse Managers, the level of accountability for HHC in each unit, and the hospitals themselves all influenced levels of engagement. These conclusions should have implications for those interested in the applicability of ‘wise’ interventions and those seeking to improve HHC in hospitals.

Suggested Citation

  • Madeline Sands & Robert Aunger, 2024. "Process Evaluation of an Acute-Care Nurse-Centred Hand Hygiene Intervention in US Hospitals," Evaluation Review, , vol. 48(4), pages 663-691, August.
  • Handle: RePEc:sae:evarev:v:48:y:2024:i:4:p:663-691
    DOI: 10.1177/0193841X231197253
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