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Published on: June 7, 2017
Effect and Process Evaluation of an Intervention to Improve Hand Hygiene Compliance in Long-Term Care Facilities
Anja Haenen1, Anita Huis2, Steven Teerenstra3
1Scientific Center for Quality of Healthcare, Radboud Institute for Health Sciences, Radboud University Medical Centre, Nijmegen, the Netherlands; National Institute for Public Health and the Environment (RIVM), Centre for Infectious Disease Control/Epidemiology and Surveillance Unit, Bilthoven, the Netherlands.
Objectives:
This study evaluated the effect of a tailored, multifaceted improvement strategy on hand hygiene compliance in long-term care facilities (LTCFs). We also performed a process evaluation to explore the mechanisms through which our strategy brought about change.
Design:
We conducted a stepped-wedge cluster-randomized controlled trial with a sequential rollout of the improvement strategy to all participating LTCFs. The strategy consisted of education, training, reminders, observation sessions (including feedback), and team meetings (including feedback).
Setting And Participants:
The study included nursing professionals from 14 LTCFs (23 wards) in the Netherlands.
Methods:
Hand hygiene compliance was observed during 5 measurement periods using WHO's "Five Moments for Hand Hygiene." Multilevel analyses and corresponding tests were completed on an intention-to-treat basis.
Results:
The absolute intervention effect of overall hand hygiene compliance (primary outcome measure) was 13% (95% CI 9.3-16.7, P < .001), adjusted for time and clustering. The adjusted absolute effect was 23% (95% CI 7-39, P < .002) before a clean and aseptic procedure, 18% (95% CI 10-26, P < .001) after touching a resident, 14% (95% CI 7-22, P < .003) before touching a resident, 10% (95% CI 5-15, P < .001) after contact with body fluid, and 1% (95% CI -11 to 13, P = .8) after touching a resident's surroundings. With the exception of leadership, participants at LTCFs with more exposure to the intervention components showed statistically significantly more improvement than those at facilities with lower exposure scores.
Conclusions And Implications:
Our strategy was successful in improving hand hygiene compliance. LTCFs with more team members exposed to the different intervention components, demonstrated a greater effect from the intervention. To strengthen the impact of our intervention, we recommend that future improvement strategies provide more support to managers to ensure they are better equipped to take on their leadership roles and enable their teams to improve and maintain hand hygiene compliance.
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