In my experience, those with genuine illnesses never really get past the late 30s/early 40s, especially as the score is over a rolling period. You probably find that the lower score limits are also combined with a lower rolling period.
There is a very very close link between high Bradford Factor scores and employees with a reputation for taking unnecessary (ie not genuine) sick leave.
There is a very very close link between high Bradford Factor scores and employees with a reputation for taking unnecessary (ie not genuine) sick leave.