Contributing Risk Factors to Self-Contamination During the Process of Donning and Doffing Personal Protective Equipment
DISASTER MEDICINE AND PUBLIC HEALTH PREPAREDNESS(2024)
Abstract
Objective: The goal of this study is to explore the risk factors associated with self-contamination points during personal protective equipment (PPE) donning and doffing among health care workers (HCWs).Methods: In total, 116 HCWs were randomly sampled and trained to don and doff the whole PPE set. We smeared the whole PPE set with the fluorescent powder. After each participant finished PPE doffing, the whole body was irradiated with ultraviolet light in order to detect contamination points and record the position and quantity. Sociodemographic characteristics and previous infection prevention control (IPC) training experience, among others, were collected by using electronic questionnaires. Poisson regression was used in identifying risk factors that are associated with the number of contamination points, and the relative risk (RR) and its 95% confidence interval (CI) were calculated.Results: About 78.5% of participants were contaminated. Ever training experience (RR = 0.37; 0.26, 0.52), clinical departments (RR = 0.67; 0.49, 0.93), body mass index (BMI) (RR = 1.09; 1.01, 1.18), and shoulder width (RR = 1.07; 1.01, 1.13) were associated with the number of contamination points.Conclusions: Previous IPC training experience, department types, BMI, and shoulder width were associated with self-contamination points after the PPE was removed.
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Key words
contamination points,fluorescence simulation,PPE donning and doffing,risk factors
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