Absenteeism Bradford Factor is a measure of the level of unauthorised employee absence from work.
Bradford Factor = Dt x Et x Et
Dt = Total number of days of unplanned absence
Et = Total number of individual spells or episodes of absense
This indicator is included in the book: Key Performance Indicators – the 75+ measures every manager needs to know, which contains an in-depth description of this KPI, as well as practical advice on data collection, calculations, target setting, and actual usage.