Discuss and review well document facts with employees.
When meeting with employees it is important to have access to event information like Sick, Lates, and other schedule adherence performance numbers.
Keep all employee data in one secure, safe place. Whenever you need to find information you can have quick access through your Employee's profile.
Build trust and never question numbers again with a complete audit log. Any changes made are logged with the previous value as well so you can find out who made changes and when.