Outcomes of a pilot hand hygiene randomized cluster trial to reduce communicable infections among US office-based employees

Maggie Stedman-Smith, Cathy L Z DuBois, Scott F Grey, Diana M Kingsbury, Sunita Shakya, Jennifer Scofield, Ken Slenkovich, Maggie Stedman-Smith, Cathy L Z DuBois, Scott F Grey, Diana M Kingsbury, Sunita Shakya, Jennifer Scofield, Ken Slenkovich

Abstract

Objective: To determine the effectiveness of an office-based multimodal hand hygiene improvement intervention in reducing self-reported communicable infections and work-related absence.

Methods: A randomized cluster trial including an electronic training video, hand sanitizer, and educational posters (n = 131, intervention; n = 193, control). Primary outcomes include (1) self-reported acute respiratory infections (ARIs)/influenza-like illness (ILI) and/or gastrointestinal (GI) infections during the prior 30 days; and (2) related lost work days. Incidence rate ratios calculated using generalized linear mixed models with a Poisson distribution, adjusted for confounders and random cluster effects.

Results: A 31% relative reduction in self-reported combined ARI-ILI/GI infections (incidence rate ratio: 0.69; 95% confidence interval, 0.49 to 0.98). A 21% nonsignificant relative reduction in lost work days.

Conclusions: An office-based multimodal hand hygiene improvement intervention demonstrated a substantive reduction in self-reported combined ARI-ILI/GI infections.

Conflict of interest statement

Conflicts of Interest: None.

Figures

FIGURE 1.
FIGURE 1.
Flow diagram of study design with data collection.
FIGURE 2.
FIGURE 2.
Percentage of visits for influenza-like illness (ILI) reported to CDC. Source: figure adapted from CDC.

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Source: PubMed

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