Intervening with healthcare workers' hand hygiene compliance, knowledge, and perception in a limited-resource hospital in Indonesia: a randomized controlled trial study

Dewi Santosaningsih, Dewi Erikawati, Sanarto Santoso, Noorhamdani Noorhamdani, Irene Ratridewi, Didi Candradikusuma, Iin N Chozin, Thomas E C J Huwae, Gwen van der Donk, Eva van Boven, Anne F Voor In 't Holt, Henri A Verbrugh, Juliëtte A Severin, Dewi Santosaningsih, Dewi Erikawati, Sanarto Santoso, Noorhamdani Noorhamdani, Irene Ratridewi, Didi Candradikusuma, Iin N Chozin, Thomas E C J Huwae, Gwen van der Donk, Eva van Boven, Anne F Voor In 't Holt, Henri A Verbrugh, Juliëtte A Severin

Abstract

Background: Hand hygiene is recognized as an important measure to prevent healthcare-associated infections. Hand hygiene adherence among healthcare workers is associated with their knowledge and perception. This study aimed to evaluate the effect of three different educational programs on improving hand hygiene compliance, knowledge, and perception among healthcare workers in a tertiary care hospital in Indonesia.

Methods: The study was performed from May to October 2014 and divided into a pre-intervention, intervention, and post-intervention phase. This cluster randomized controlled trial allocated the implementation of three interventions to the departments, including role model training-pediatrics, active presentation-surgery, a combination of role model training and active presentation-internal medicine, and a control group-obstetrics-gynecology. Both direct observation and knowledge-perception survey of hand hygiene were performed using WHO tools.

Results: Hand hygiene compliance was observed during 2,766 hand hygiene opportunities, and knowledge-perception was assessed among 196 participants in the pre-intervention and 88 in the post-intervention period. After intervention, the hand hygiene compliance rate improved significantly in pediatrics (24.1% to 43.7%; P < 0.001), internal medicine (5.2% to 18.5%; P < 0.001), and obstetrics-gynecology (10.1% to 20.5%; P < 0.001). The nurses' incorrect use of hand rub while wearing gloves increased as well (P < 0.001). The average knowledge score improved from 5.6 (SD = 2.1) to 6.2 (SD = 1.9) (P < 0.05). In the perception survey, "strong smell of hand alcohol" as a reason for non-compliance increased significantly in the departments with intervention (10.1% to 22.9%; P = 0.021).

Conclusion: The educational programs improved the hand hygiene compliance and knowledge among healthcare workers in two out of three intervention departments in a limited-resource hospital in Indonesia. Role model training had the most impact in this setting. However, adjustments to the strategy are necessary to further improve hand hygiene.

Keywords: Hand hygiene; Healthcare-associated infections; Indonesia.

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