Challenging the quality of the quality indicator, "depression without treatment".

Objective: To assess the validity of the Minimum Data Set (MDS)-based quality indicator, "depression without treatment," and examine whether a nonphysician-based educational intervention can improve the accuracy of MDS questions regarding depression and its treatment.

Subjects: All residents of a 538-bed urban, university affiliated, long-term-care (LTC) facility. Nursing and social work staff involved in completing the mood and behavior items on the MDS.