Table 1

Inclusion and exclusion criteria

	Inclusion criteria	Exclusion criteria
Study focus	Any type of publication based on primary or secondary research findings focusing on the adoption and implementation of reusable PPE, and/or their impact(s) on the environment, costs and infection risks	Studies neither focusing on reusable PPE implementation nor impact of PPE on infection risk, environment or costs
Population	Hospital settings, any types of clinical sectors or units	N/A
Study context	Hospital settings	Other settings than hospitals (eg, nursing homes, primary care)
Intervention	Adoption and implementation of reusable PPE (gowns, gloves, masks, respirators, head covers, shoe covers, eye protection and goggles)	Adoption and implementation of reusable medical equipment or devices, excluding reusable PPE
Outcomes	Environmental impact (greenhouse gas emissions, waste generation, energy and water consumption) Patient and staff safety (PPE protective performance, transmission of pathogens, healthcare-associated infections) Resilience to supply chain disruption Cost reduction
Study characteristics	Original research articles Reviews of any types Reports Book chapters Conference proceedings Dissertations/theses	Expert opinions or reviews Theoretical frameworks
Timeframe	No constraints
Publication language	No constraints	Unable to obtain translation