Statewide replication of predictive validation for the Multnomah Community Ability Scale.

The Multnomah Community Ability Scale is a 17 item instrument that case managers can use to rate levels of functioning for clients with severe mental illness. Prior work in a large urban community mental health center showed that the instrument predicted subsequent involuntary hospitalization. The current project involved some 2,487 clients of community mental health programs throughout Oregon. This replication study again showed that low scores on the instrument predicted subsequent psychiatric hospitalization.