title: Priority-setting for children's mental health: clinical usefulness and validity of the priority criteria score.
abstract: OBJECTIVE
  The 17-item PCS was designed for priority-setting and queue management of children and adolescents referred for mental health services. Here we assess aspects of the validity of the Children's Mental Health (CMH) Priority Criteria Score (PCS), developed by the Western Canada Waiting List Project (WCWL). The PCS was evaluated across clinical settings of increasing acuity and in terms of its relationship to two variables reflecting criteria-related validity and actual wait times.
  
  
  METHODS
  Intake workers completed PCS forms for 497 referrals enrolled for treatment in three clinical areas over approximately two fiscal years. The completion time of the PCS form was estimated in relation to the total referral and screening process. Intake workers completed the PCS items and did not use the total score at the time of intake and form completion to triage or place clients; hence, the PCS was independent of enrollment and placement within the continuum of care. Furthermore, clinicians in the receiving programs had to accept the triage decisions for the PCS to be used in the study analysis.
  
  
  RESULTS
  The PCS score was meaningfully related to the measures of criteria-related validity (e.g., clinician perceived urgency, clinician perceived maximum acceptable waiting times) and triage to clinical settings of increasing acuity. There was a significant mean difference in the PCS for those accepted to community, day, or inpatient settings.
  
  
  CONCLUSIONS
  The PCS appears to be a useful, efficient measure of clinical urgency adequate for use in priority-setting for children waiting for mental health services.
authors.affiliation: Western Canada Waiting List Project, Calgary, Alberta.
authors.forename: David
authors.initials: D
authors.lastname: Cawthorpe
authors.forename: T Chris R
authors.initials: TC
authors.lastname: Wilkes
authors.forename: Abdul
authors.initials: A
authors.lastname: Rahman
authors.forename: Derryck H
authors.initials: DH
authors.lastname: Smith
authors.forename: Barbara
authors.initials: B
authors.lastname: Conner-Spady
authors.forename: John J
authors.initials: JJ
authors.lastname: McGurran
authors.forename: Tom W
authors.initials: TW
authors.lastname: Noseworthy