1. A method for assessing improvement in hand hygiene practices in an area of interest, comprising: installing sanitation solution dispensers in the area of interest, said dispensers having counters associated therewith, said counters counting a first number of actual hand hygiene events; acquiring data impacting a number of anticipated hand hygiene events respecting the area of interest; deriving from said acquired data a second number of anticipated hand hygiene events for the area of interest; determining a third number of opportunities for hand hygiene events for the area of interest; and developing a performance index by dividing a difference between said first and second numbers by said third number.