It's public record. Ohio law enacted in Sept 2014 requires administrators to check the online offenders list and initiate a plan of care to protect other residents, as well as inform residents and their sponsors. A coworker is being disciplined for informing the rest of the aides about the offender.
I agree, the co-workers should have kept quiet as this is an Administrator's duty to inform the residents/family. It could be viewed as a HIPAA violation because the offense could be labeled as a mental illness depending on the crime.