Table 1. List of dependent variables and the formulae.

HH - hand hygiene

Dependable variables	Formulae
Hand hygiene complete adherence rate (HHCAR)	[Number of times HH completely performed (all steps and appropriate duration) / total opportunities observed] X 100
Profession-specific hand hygiene adherence rate	[HH performed by each profession / total opportunities observed] X 100
Moment-specific hand hygiene adherence rate	[HH performed for each WHO moment (opportunity) / total moments (opportunities) observed] X 100