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6th World Congress on Control and Prevention of HIV/AIDS, STDs & STIs

Zurich, Switzerland

Eunwoo Yoo

Eunwoo Yoo

Sheikh Khalifa Specialty Hospital
UAE

Title: The effectiveness of a covert observational study in improving the hand hygiene compliance

Biography

Biography: Eunwoo Yoo

Abstract

Background: Covert observation (CO) is a useful method as an effective and direct observation of hand hygiene (HH) compliance monitoring to overcome the Hawthorne effect. However, it is not clear whether the CO is effective in improving HH compliance. Accordingly, we conducted a study to determine the impact of covert observation on HH compliance. Method: We designed a prospective interventional study. Trained mystery shoppers monitored the entry and exit HH compliances in 3 different phases; the first CO (f-CO) in March and May 2017, CO combined with just-in-time coach (JITC) in July and October 2017, and second CO phases without JITC (s-CO) in March 2018. Overt observations (OO) were done simultaneously with above three phases by the infection control link personnel. We used Hand Hygiene Targeted Solutions Tool® for data collection. Results: Total of 10857 opportunities for HH were observed (3473 for f-CO, 2800 for JITC, and 1807 for s-OC) including 2777 opportunities for OO. The HH compliance rate of OO was 91.0% (2577/2777). HH compliance rate of f-CO was 34.3% (1192/3473). The rate was increased to 62.7% (1756/2800) by JITC (p=.00). HH compliance rate of s-CO was decreased to 57.5% (1039/1807) again but was still higher than the rate of f-CO (p=.00). HH rates on the exit opportunities were higher than the entry in all observations (89.7% (1257/1401) versus 92.3% (1270/1376) (p=.02), 31.5% versus 37.6%, 57.0% versus 69.0%, and 51.9% versus 62.9% for OO, f-CO, JITC, and s-CO respectively). Conclusions: CO method was useful for minimizing Hawthorne effect. However, CO was not effective for improving the HH compliance rate without the real-time feedback (JITC). Repeated JITC along with monitoring is needed to improve and maintain the good HH compliance.